/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/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf -i ../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 14:15:44,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 14:15:44,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 14:15:44,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-26 14:15:44,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-26 14:15:44,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-26 14:15:44,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-26 14:15:44,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-26 14:15:44,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-26 14:15:44,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-26 14:15:44,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-26 14:15:44,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-26 14:15:44,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 14:15:44,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 14:15:44,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 14:15:44,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 14:15:44,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 14:15:44,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 14:15:44,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 14:15:44,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 14:15:44,545 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 14:15:44,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 14:15:44,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 14:15:44,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 14:15:44,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 14:15:44,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 14:15:44,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-26 14:15:44,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-26 14:15:44,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-26 14:15:44,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-26 14:15:44,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-26 14:15:44,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-26 14:15:44,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-26 14:15:44,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-26 14:15:44,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 14:15:44,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 14:15:44,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 14:15:44,556 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf [2022-07-26 14:15:44,573 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 14:15:44,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 14:15:44,574 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 14:15:44,574 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 14:15:44,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 14:15:44,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 14:15:44,576 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 14:15:44,576 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 14:15:44,576 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 14:15:44,577 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 14:15:44,577 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 14:15:44,577 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 14:15:44,577 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 14:15:44,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 14:15:44,577 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 14:15:44,577 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 14:15:44,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 14:15:44,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 14:15:44,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 14:15:44,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 14:15:44,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 14:15:44,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 14:15:44,579 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 14:15:44,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 14:15:44,579 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 14:15:44,579 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 14:15:44,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 14:15:44,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 14:15:44,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 14:15:44,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 14:15:44,580 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 14:15:44,580 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-26 14:15:44,581 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 14:15:44,581 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 14:15:44,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 14:15:44,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 14:15:44,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 14:15:44,774 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 14:15:44,775 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 14:15:44,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2022-07-26 14:15:44,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b05e8ad56/9b69d1a54d9e43e4a3d08f20ddbd0f7b/FLAG9b58d7b36 [2022-07-26 14:15:45,156 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 14:15:45,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2022-07-26 14:15:45,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b05e8ad56/9b69d1a54d9e43e4a3d08f20ddbd0f7b/FLAG9b58d7b36 [2022-07-26 14:15:45,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b05e8ad56/9b69d1a54d9e43e4a3d08f20ddbd0f7b [2022-07-26 14:15:45,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 14:15:45,182 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 14:15:45,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 14:15:45,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 14:15:45,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 14:15:45,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:15:45" (1/1) ... [2022-07-26 14:15:45,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5173b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:15:45, skipping insertion in model container [2022-07-26 14:15:45,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:15:45" (1/1) ... [2022-07-26 14:15:45,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 14:15:45,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 14:15:45,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c[2507,2520] [2022-07-26 14:15:45,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:15:45,406 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 14:15:45,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c[2507,2520] [2022-07-26 14:15:45,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:15:45,461 INFO L208 MainTranslator]: Completed translation [2022-07-26 14:15:45,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:15:45 WrapperNode [2022-07-26 14:15:45,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 14:15:45,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 14:15:45,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 14:15:45,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 14:15:45,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:15:45" (1/1) ... [2022-07-26 14:15:45,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:15:45" (1/1) ... [2022-07-26 14:15:45,503 INFO L137 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 118 [2022-07-26 14:15:45,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 14:15:45,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 14:15:45,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 14:15:45,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 14:15:45,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:15:45" (1/1) ... [2022-07-26 14:15:45,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:15:45" (1/1) ... [2022-07-26 14:15:45,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:15:45" (1/1) ... [2022-07-26 14:15:45,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:15:45" (1/1) ... [2022-07-26 14:15:45,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:15:45" (1/1) ... [2022-07-26 14:15:45,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:15:45" (1/1) ... [2022-07-26 14:15:45,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:15:45" (1/1) ... [2022-07-26 14:15:45,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 14:15:45,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 14:15:45,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 14:15:45,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 14:15:45,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:15:45" (1/1) ... [2022-07-26 14:15:45,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:45,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:45,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:45,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-26 14:15:45,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 14:15:45,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 14:15:45,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 14:15:45,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 14:15:45,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 14:15:45,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-26 14:15:45,593 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-26 14:15:45,593 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-07-26 14:15:45,594 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-07-26 14:15:45,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 14:15:45,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 14:15:45,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 14:15:45,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-26 14:15:45,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-26 14:15:45,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 14:15:45,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 14:15:45,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 14:15:45,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 14:15:45,596 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-26 14:15:45,652 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 14:15:45,653 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 14:15:45,870 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 14:15:45,913 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 14:15:45,913 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-26 14:15:45,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:15:45 BoogieIcfgContainer [2022-07-26 14:15:45,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 14:15:45,916 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 14:15:45,916 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 14:15:45,918 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 14:15:45,919 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:15:45,919 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 02:15:45" (1/3) ... [2022-07-26 14:15:45,920 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c3eb880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:15:45, skipping insertion in model container [2022-07-26 14:15:45,920 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:15:45,920 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:15:45" (2/3) ... [2022-07-26 14:15:45,920 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c3eb880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:15:45, skipping insertion in model container [2022-07-26 14:15:45,920 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:15:45,920 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:15:45" (3/3) ... [2022-07-26 14:15:45,921 INFO L322 chiAutomizerObserver]: Analyzing ICFG popl20-difference-det.wvr.c [2022-07-26 14:15:45,986 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-07-26 14:15:46,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 129 transitions, 290 flow [2022-07-26 14:15:46,038 INFO L129 PetriNetUnfolder]: 9/121 cut-off events. [2022-07-26 14:15:46,038 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-26 14:15:46,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 121 events. 9/121 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 96 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2022-07-26 14:15:46,043 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 129 transitions, 290 flow [2022-07-26 14:15:46,048 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 121 transitions, 266 flow [2022-07-26 14:15:46,050 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-26 14:15:46,055 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 121 transitions, 266 flow [2022-07-26 14:15:46,059 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 121 transitions, 266 flow [2022-07-26 14:15:46,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 121 transitions, 266 flow [2022-07-26 14:15:46,091 INFO L129 PetriNetUnfolder]: 9/121 cut-off events. [2022-07-26 14:15:46,092 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-26 14:15:46,093 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 121 events. 9/121 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2022-07-26 14:15:46,095 INFO L116 LiptonReduction]: Number of co-enabled transitions 2520 [2022-07-26 14:15:48,937 INFO L131 LiptonReduction]: Checked pairs total: 2509 [2022-07-26 14:15:48,937 INFO L133 LiptonReduction]: Total number of compositions: 98 [2022-07-26 14:15:48,948 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 14:15:48,948 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 14:15:48,948 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 14:15:48,948 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 14:15:48,949 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 14:15:48,949 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 14:15:48,949 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 14:15:48,949 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 14:15:48,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 14:15:49,032 INFO L131 ngComponentsAnalysis]: Automaton has 230 accepting balls. 230 [2022-07-26 14:15:49,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 14:15:49,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 14:15:49,037 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-26 14:15:49,037 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 14:15:49,037 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-26 14:15:49,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 321 states, but on-demand construction may add more states [2022-07-26 14:15:49,048 INFO L131 ngComponentsAnalysis]: Automaton has 230 accepting balls. 230 [2022-07-26 14:15:49,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 14:15:49,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 14:15:49,049 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-26 14:15:49,049 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 14:15:49,052 INFO L733 eck$LassoCheckResult]: Stem: 132#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 135#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 137#[L89-4, thread1ENTRY]don't care [340] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 139#[L89-4, L41-4]don't care [2022-07-26 14:15:49,052 INFO L735 eck$LassoCheckResult]: Loop: 139#[L89-4, L41-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= v_~counter1~0_68 (+ v_~counter1~0_69 1)) (< v_thread1Thread1of1ForFork1_~i~0_26 v_~M~0_31)) InVars {~M~0=v_~M~0_31, ~counter1~0=v_~counter1~0_69, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26} OutVars{~M~0=v_~M~0_31, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_7|, ~counter1~0=v_~counter1~0_68, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 139#[L89-4, L41-4]don't care [2022-07-26 14:15:49,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:15:49,056 INFO L85 PathProgramCache]: Analyzing trace with hash 515839, now seen corresponding path program 1 times [2022-07-26 14:15:49,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:15:49,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69232311] [2022-07-26 14:15:49,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:15:49,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:15:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:49,152 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:15:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:49,182 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:15:49,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:15:49,184 INFO L85 PathProgramCache]: Analyzing trace with hash 513, now seen corresponding path program 1 times [2022-07-26 14:15:49,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:15:49,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642605154] [2022-07-26 14:15:49,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:15:49,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:15:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:49,189 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:15:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:49,192 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:15:49,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:15:49,193 INFO L85 PathProgramCache]: Analyzing trace with hash 15991491, now seen corresponding path program 1 times [2022-07-26 14:15:49,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:15:49,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761544721] [2022-07-26 14:15:49,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:15:49,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:15:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:49,208 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:15:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:49,219 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:15:49,245 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:15:49,245 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:15:49,245 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:15:49,245 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:15:49,246 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 14:15:49,246 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:49,246 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:15:49,246 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:15:49,246 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration1_Loop [2022-07-26 14:15:49,246 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:15:49,246 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:15:49,257 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,261 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,263 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,267 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,269 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,271 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,275 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,276 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,279 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,281 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,283 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,284 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,346 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:15:49,346 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 14:15:49,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:49,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:49,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:49,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-26 14:15:49,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:49,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:49,383 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:49,383 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_1=3} Honda state: {v_rep#funAddr~thread4.offset_1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:49,400 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-26 14:15:49,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:49,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:49,401 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:49,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-26 14:15:49,405 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:49,405 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:49,426 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:49,426 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_1=-1} Honda state: {v_rep#funAddr~thread1.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:49,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-07-26 14:15:49,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:49,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:49,448 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:49,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-26 14:15:49,452 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:49,452 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:49,481 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:49,481 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_1=0} Honda state: {v_rep#funAddr~thread1.offset_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:49,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:49,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:49,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:49,519 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:49,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-26 14:15:49,528 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:49,528 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:49,560 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:49,560 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_1=-1} Honda state: {v_rep#funAddr~thread3.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:49,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:49,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:49,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:49,580 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:49,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-26 14:15:49,582 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:49,582 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:49,604 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:49,604 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_1=-1} Honda state: {v_rep#funAddr~thread2.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:49,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:49,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:49,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:49,622 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:49,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-26 14:15:49,626 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:49,626 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:49,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:49,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:49,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:49,665 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:49,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-26 14:15:49,667 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 14:15:49,667 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:49,778 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 14:15:49,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:49,781 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:15:49,781 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:15:49,781 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:15:49,781 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:15:49,781 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 14:15:49,782 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:49,782 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:15:49,782 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:15:49,782 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration1_Loop [2022-07-26 14:15:49,782 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:15:49,782 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:15:49,783 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,789 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,795 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,797 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,799 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,801 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,803 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,806 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,808 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,810 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,812 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,813 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:49,883 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:15:49,886 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 14:15:49,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:49,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:49,888 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:49,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-26 14:15:49,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:49,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:49,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:49,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:49,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:49,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:49,899 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:49,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:49,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:49,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:49,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:49,933 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:49,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-26 14:15:49,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:49,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:49,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:49,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:49,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:49,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:49,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:49,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:49,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:49,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:49,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:49,976 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:49,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:49,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-26 14:15:49,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:49,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:15:49,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:49,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:49,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:49,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:15:49,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:15:50,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:50,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:50,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:50,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:50,027 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:50,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-26 14:15:50,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:50,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:50,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:50,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:50,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:50,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:50,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:50,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:50,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:50,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:50,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:50,068 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:50,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-26 14:15:50,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:50,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:50,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:50,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:50,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:50,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:50,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:50,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:50,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:50,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:50,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:50,099 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:50,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-26 14:15:50,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:50,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:50,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:50,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:50,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:50,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:50,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:50,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:50,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:50,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:50,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:50,135 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:50,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-26 14:15:50,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:50,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:50,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:15:50,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:50,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:50,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:50,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:15:50,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:15:50,155 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 14:15:50,172 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 14:15:50,172 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-26 14:15:50,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:50,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:50,174 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:50,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-26 14:15:50,207 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 14:15:50,208 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 14:15:50,208 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 14:15:50,208 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork1_~i~0, ~M~0) = -1*thread1Thread1of1ForFork1_~i~0 + 1*~M~0 Supporting invariants [] [2022-07-26 14:15:50,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:50,225 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 14:15:50,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:15:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:15:50,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 14:15:50,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:15:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:15:50,288 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 14:15:50,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:15:50,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 14:15:50,306 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 14:15:50,307 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 321 states, but on-demand construction may add more states Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2022-07-26 14:15:50,419 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 321 states, but on-demand construction may add more states. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) Result 876 states and 4293 transitions. Complement of second has 5 states. [2022-07-26 14:15:50,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-26 14:15:50,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2022-07-26 14:15:50,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 63 transitions. [2022-07-26 14:15:50,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 63 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-26 14:15:50,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:15:50,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 63 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-26 14:15:50,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:15:50,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 63 transitions. Stem has 3 letters. Loop has 2 letters. [2022-07-26 14:15:50,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:15:50,428 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 4293 transitions. [2022-07-26 14:15:50,446 INFO L131 ngComponentsAnalysis]: Automaton has 200 accepting balls. 200 [2022-07-26 14:15:50,464 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 693 states and 3407 transitions. [2022-07-26 14:15:50,465 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 383 [2022-07-26 14:15:50,468 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 538 [2022-07-26 14:15:50,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 693 states and 3407 transitions. [2022-07-26 14:15:50,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 14:15:50,469 INFO L220 hiAutomatonCegarLoop]: Abstraction has 693 states and 3407 transitions. [2022-07-26 14:15:50,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states and 3407 transitions. [2022-07-26 14:15:50,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 540. [2022-07-26 14:15:50,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 540 states have (on average 5.2) internal successors, (2808), 539 states have internal predecessors, (2808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 14:15:50,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 2808 transitions. [2022-07-26 14:15:50,526 INFO L242 hiAutomatonCegarLoop]: Abstraction has 540 states and 2808 transitions. [2022-07-26 14:15:50,527 INFO L426 stractBuchiCegarLoop]: Abstraction has 540 states and 2808 transitions. [2022-07-26 14:15:50,527 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-26 14:15:50,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 540 states and 2808 transitions. [2022-07-26 14:15:50,531 INFO L131 ngComponentsAnalysis]: Automaton has 200 accepting balls. 200 [2022-07-26 14:15:50,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 14:15:50,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 14:15:50,531 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-26 14:15:50,531 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 14:15:50,532 INFO L733 eck$LassoCheckResult]: Stem: 2744#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 2226#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 1928#[L89-4, thread1ENTRY]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 1932#[L90-3, thread1ENTRY]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 2290#[L90-4, thread2ENTRY, thread1ENTRY]don't care [350] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 1742#[L90-4, L51-4, thread1ENTRY]don't care [2022-07-26 14:15:50,532 INFO L735 eck$LassoCheckResult]: Loop: 1742#[L90-4, L51-4, thread1ENTRY]don't care [476] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_~i~1#1_27| (+ |v_thread2Thread1of1ForFork3_~i~1#1_28| 1)) (< |v_thread2Thread1of1ForFork3_~i~1#1_28| v_~N~0_27) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|) (= (+ v_~counter1~0_60 1) v_~counter1~0_61) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| 0)) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9| (ite (< 0 v_~counter1~0_61) 1 0))) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_28|, ~counter1~0=v_~counter1~0_61, ~N~0=v_~N~0_27} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_9|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_13|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_27|, ~counter1~0=v_~counter1~0_60, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 1742#[L90-4, L51-4, thread1ENTRY]don't care [2022-07-26 14:15:50,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:15:50,532 INFO L85 PathProgramCache]: Analyzing trace with hash 495874056, now seen corresponding path program 1 times [2022-07-26 14:15:50,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:15:50,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016706728] [2022-07-26 14:15:50,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:15:50,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:15:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:50,554 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:15:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:50,566 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:15:50,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:15:50,567 INFO L85 PathProgramCache]: Analyzing trace with hash 507, now seen corresponding path program 1 times [2022-07-26 14:15:50,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:15:50,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127219755] [2022-07-26 14:15:50,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:15:50,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:15:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:50,574 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:15:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:50,586 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:15:50,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:15:50,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1807772972, now seen corresponding path program 1 times [2022-07-26 14:15:50,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:15:50,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620809785] [2022-07-26 14:15:50,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:15:50,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:15:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:15:50,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 14:15:50,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-26 14:15:50,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620809785] [2022-07-26 14:15:50,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620809785] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-26 14:15:50,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-26 14:15:50,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-07-26 14:15:50,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763213803] [2022-07-26 14:15:50,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-26 14:15:50,693 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:15:50,693 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:15:50,693 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:15:50,693 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:15:50,693 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 14:15:50,693 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:50,693 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:15:50,693 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:15:50,693 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration2_Loop [2022-07-26 14:15:50,693 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:15:50,693 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:15:50,694 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:50,697 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:50,699 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:50,700 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:50,703 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:50,704 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:50,706 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:50,707 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:50,709 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:50,712 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:50,713 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:50,715 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:50,717 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:50,782 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:15:50,782 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 14:15:50,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:50,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:50,783 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:50,786 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:50,786 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:50,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-26 14:15:50,803 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:50,803 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_3=-1} Honda state: {v_rep#funAddr~thread1.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:50,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:50,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:50,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:50,822 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:50,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-26 14:15:50,825 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:50,825 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:50,846 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:50,846 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_3=-1} Honda state: {v_rep#funAddr~thread3.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:50,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:50,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:50,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:50,865 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:50,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-26 14:15:50,867 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:50,868 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:50,888 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:50,889 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_3=-1} Honda state: {v_rep#funAddr~thread2.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:50,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:50,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:50,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:50,908 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:50,914 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:50,914 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:50,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-26 14:15:50,931 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:50,931 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=1} Honda state: {thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:50,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:50,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:50,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:50,950 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:50,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-26 14:15:50,952 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:50,952 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:50,958 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:50,958 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_#t~post4#1=0} Honda state: {thread2Thread1of1ForFork3_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:50,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:50,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:50,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:50,974 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:50,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-26 14:15:50,983 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:50,984 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:51,000 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:51,001 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_3=-1} Honda state: {v_rep#funAddr~thread4.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:51,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:51,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:51,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:51,017 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:51,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-26 14:15:51,019 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:51,019 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:51,029 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:51,029 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_3=3} Honda state: {v_rep#funAddr~thread4.offset_3=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:51,044 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-07-26 14:15:51,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:51,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:51,045 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:51,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-26 14:15:51,047 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:51,047 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:51,057 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:51,057 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_3=0} Honda state: {v_rep#funAddr~thread1.offset_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:51,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:51,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:51,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:51,074 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:51,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-26 14:15:51,076 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:51,077 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:51,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:51,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:51,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:51,123 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:51,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-26 14:15:51,125 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 14:15:51,125 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:51,241 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 14:15:51,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:51,246 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:15:51,247 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:15:51,247 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:15:51,247 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:15:51,247 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 14:15:51,247 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:51,247 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:15:51,247 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:15:51,247 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration2_Loop [2022-07-26 14:15:51,247 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:15:51,247 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:15:51,248 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:51,251 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:51,253 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:51,255 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:51,256 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:51,261 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:51,263 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:51,265 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:51,267 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:51,271 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:51,272 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:51,274 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:51,276 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:51,361 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:15:51,361 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 14:15:51,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:51,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:51,362 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:51,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-26 14:15:51,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:51,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:51,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:51,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:51,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:51,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:51,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:51,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:51,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:51,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:51,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:51,409 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:51,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-26 14:15:51,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:51,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:51,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:51,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:51,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:51,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:51,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:51,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:51,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:51,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:51,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:51,452 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:51,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-26 14:15:51,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:51,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:51,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:51,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:51,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:51,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:51,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:51,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:51,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:51,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:51,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:51,493 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:51,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-07-26 14:15:51,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:51,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:51,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:51,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:51,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:51,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:51,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:51,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:51,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-07-26 14:15:51,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:51,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:51,531 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:51,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-07-26 14:15:51,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:51,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:51,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:15:51,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:51,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:51,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:51,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:15:51,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:15:51,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:51,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-07-26 14:15:51,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:51,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:51,566 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:51,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-07-26 14:15:51,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:51,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:51,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:15:51,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:51,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:51,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:51,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:15:51,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:15:51,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:51,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-07-26 14:15:51,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:51,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:51,611 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:51,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-07-26 14:15:51,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:51,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:51,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:51,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:51,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:51,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:51,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:51,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:51,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-07-26 14:15:51,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:51,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:51,666 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:51,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-07-26 14:15:51,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:51,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:51,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:51,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:51,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:51,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:51,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:51,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:51,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-07-26 14:15:51,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:51,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:51,706 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:51,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:51,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:51,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:15:51,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:51,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:51,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:51,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:15:51,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:15:51,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-26 14:15:51,729 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 14:15:51,731 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 14:15:51,731 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-26 14:15:51,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:51,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:51,736 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:51,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-26 14:15:51,738 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 14:15:51,738 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 14:15:51,738 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 14:15:51,738 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread2Thread1of1ForFork3_~i~1#1) = 1*~N~0 - 1*thread2Thread1of1ForFork3_~i~1#1 Supporting invariants [] [2022-07-26 14:15:51,752 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-07-26 14:15:51,753 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 14:15:51,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:15:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:15:51,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 14:15:51,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:15:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:15:51,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 14:15:51,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:15:51,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 14:15:51,794 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 14:15:51,794 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 540 states and 2808 transitions. cyclomatic complexity: 2546 Second operand has 2 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) [2022-07-26 14:15:51,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:51,922 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 540 states and 2808 transitions. cyclomatic complexity: 2546. Second operand has 2 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) Result 1610 states and 8835 transitions. Complement of second has 4 states. [2022-07-26 14:15:51,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-26 14:15:51,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 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) [2022-07-26 14:15:51,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2022-07-26 14:15:51,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 61 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-26 14:15:51,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:15:51,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 61 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-26 14:15:51,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:15:51,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 61 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-26 14:15:51,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:15:51,924 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1610 states and 8835 transitions. [2022-07-26 14:15:51,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:51,946 INFO L131 ngComponentsAnalysis]: Automaton has 150 accepting balls. 150 [2022-07-26 14:15:51,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1610 states to 1250 states and 6742 transitions. [2022-07-26 14:15:51,959 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 495 [2022-07-26 14:15:51,961 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 669 [2022-07-26 14:15:51,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1250 states and 6742 transitions. [2022-07-26 14:15:51,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 14:15:51,961 INFO L220 hiAutomatonCegarLoop]: Abstraction has 1250 states and 6742 transitions. [2022-07-26 14:15:51,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states and 6742 transitions. [2022-07-26 14:15:51,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 959. [2022-07-26 14:15:51,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 959 states have (on average 5.580813347236705) internal successors, (5352), 958 states have internal predecessors, (5352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 14:15:51,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 5352 transitions. [2022-07-26 14:15:51,986 INFO L242 hiAutomatonCegarLoop]: Abstraction has 959 states and 5352 transitions. [2022-07-26 14:15:51,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-26 14:15:51,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-26 14:15:51,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-26 14:15:51,988 INFO L87 Difference]: Start difference. First operand 959 states and 5352 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) [2022-07-26 14:15:52,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-26 14:15:52,040 INFO L93 Difference]: Finished difference Result 1466 states and 7401 transitions. [2022-07-26 14:15:52,040 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1466 states and 7401 transitions. [2022-07-26 14:15:52,056 INFO L131 ngComponentsAnalysis]: Automaton has 264 accepting balls. 264 [2022-07-26 14:15:52,069 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1466 states to 1403 states and 6965 transitions. [2022-07-26 14:15:52,070 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 775 [2022-07-26 14:15:52,071 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 775 [2022-07-26 14:15:52,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1403 states and 6965 transitions. [2022-07-26 14:15:52,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 14:15:52,071 INFO L220 hiAutomatonCegarLoop]: Abstraction has 1403 states and 6965 transitions. [2022-07-26 14:15:52,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states and 6965 transitions. [2022-07-26 14:15:52,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 1099. [2022-07-26 14:15:52,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 1099 states have (on average 5.268425841674249) internal successors, (5790), 1098 states have internal predecessors, (5790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 14:15:52,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 5790 transitions. [2022-07-26 14:15:52,098 INFO L242 hiAutomatonCegarLoop]: Abstraction has 1099 states and 5790 transitions. [2022-07-26 14:15:52,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-26 14:15:52,098 INFO L426 stractBuchiCegarLoop]: Abstraction has 1099 states and 5790 transitions. [2022-07-26 14:15:52,099 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-26 14:15:52,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1099 states and 5790 transitions. [2022-07-26 14:15:52,106 INFO L131 ngComponentsAnalysis]: Automaton has 184 accepting balls. 184 [2022-07-26 14:15:52,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 14:15:52,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 14:15:52,107 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-26 14:15:52,107 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 14:15:52,107 INFO L733 eck$LassoCheckResult]: Stem: 9259#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 8421#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 8069#[L89-4, thread1ENTRY]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 8073#[L90-3, thread1ENTRY]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 8531#[L90-4, thread2ENTRY, thread1ENTRY]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 8533#[thread2ENTRY, L91-3, thread1ENTRY]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 8539#[L91-4, thread3ENTRY, thread2ENTRY, thread1ENTRY]don't care [360] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 8991#[L91-4, L62-4, thread2ENTRY, thread1ENTRY]don't care [2022-07-26 14:15:52,107 INFO L735 eck$LassoCheckResult]: Loop: 8991#[L91-4, L62-4, thread2ENTRY, thread1ENTRY]don't care [485] L62-4-->L62-4: Formula: (and (= (+ v_~counter2~0_63 1) v_~counter2~0_62) (= (+ v_thread3Thread1of1ForFork0_~i~2_28 1) v_thread3Thread1of1ForFork0_~i~2_27) (< v_thread3Thread1of1ForFork0_~i~2_28 v_~M~0_33)) InVars {~counter2~0=v_~counter2~0_63, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_28} OutVars{~counter2~0=v_~counter2~0_62, ~M~0=v_~M~0_33, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_27, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_7|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 8991#[L91-4, L62-4, thread2ENTRY, thread1ENTRY]don't care [2022-07-26 14:15:52,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:15:52,107 INFO L85 PathProgramCache]: Analyzing trace with hash -206269713, now seen corresponding path program 1 times [2022-07-26 14:15:52,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:15:52,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468106701] [2022-07-26 14:15:52,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:15:52,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:15:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:52,130 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:15:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:52,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:15:52,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:15:52,158 INFO L85 PathProgramCache]: Analyzing trace with hash 516, now seen corresponding path program 1 times [2022-07-26 14:15:52,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:15:52,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831347127] [2022-07-26 14:15:52,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:15:52,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:15:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:52,161 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:15:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:52,163 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:15:52,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:15:52,163 INFO L85 PathProgramCache]: Analyzing trace with hash -2099393322, now seen corresponding path program 1 times [2022-07-26 14:15:52,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:15:52,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002932821] [2022-07-26 14:15:52,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:15:52,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:15:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:52,179 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:15:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:52,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:15:52,219 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:15:52,219 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:15:52,219 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:15:52,219 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:15:52,219 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 14:15:52,219 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:52,219 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:15:52,219 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:15:52,219 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration3_Loop [2022-07-26 14:15:52,219 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:15:52,219 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:15:52,221 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,222 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,224 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,225 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,227 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,228 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,230 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,231 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,232 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,233 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,236 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,238 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,299 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:15:52,300 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 14:15:52,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:52,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:52,301 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:52,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-26 14:15:52,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:52,303 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:52,325 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:52,325 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork0_#t~post5=0} Honda state: {thread3Thread1of1ForFork0_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:52,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-07-26 14:15:52,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:52,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:52,340 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:52,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-07-26 14:15:52,342 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:52,342 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:52,352 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:52,352 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_5=-1} Honda state: {v_rep#funAddr~thread1.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:52,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-07-26 14:15:52,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:52,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:52,370 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:52,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-07-26 14:15:52,373 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:52,373 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:52,382 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:52,382 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_5=-1} Honda state: {v_rep#funAddr~thread4.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:52,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-07-26 14:15:52,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:52,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:52,398 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:52,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-07-26 14:15:52,407 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:52,407 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:52,416 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:52,416 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_5=-1} Honda state: {v_rep#funAddr~thread2.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:52,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-07-26 14:15:52,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:52,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:52,432 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:52,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-26 14:15:52,434 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:52,434 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:52,443 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:52,443 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_5=-1} Honda state: {v_rep#funAddr~thread3.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:52,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:52,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:52,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:52,459 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:52,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-07-26 14:15:52,461 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:52,461 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:52,470 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:52,470 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_5=0} Honda state: {v_rep#funAddr~thread1.offset_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:52,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-07-26 14:15:52,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:52,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:52,486 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:52,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-07-26 14:15:52,487 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:52,487 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:52,496 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:52,496 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_5=3} Honda state: {v_rep#funAddr~thread4.offset_5=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:52,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-07-26 14:15:52,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:52,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:52,512 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:52,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-07-26 14:15:52,514 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:52,514 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:52,520 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:52,520 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork0_#t~post6=0} Honda state: {thread3Thread1of1ForFork0_#t~post6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:52,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:52,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:52,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:52,535 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:52,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-07-26 14:15:52,542 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:52,542 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:52,574 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:52,575 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_5=1} Honda state: {v_rep#funAddr~thread2.offset_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:52,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-07-26 14:15:52,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:52,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:52,593 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:52,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-07-26 14:15:52,595 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:52,595 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:52,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:52,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:52,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:52,627 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:52,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-07-26 14:15:52,629 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 14:15:52,629 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:52,744 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 14:15:52,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-07-26 14:15:52,748 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:15:52,748 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:15:52,748 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:15:52,748 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:15:52,748 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 14:15:52,748 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:52,748 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:15:52,748 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:15:52,748 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration3_Loop [2022-07-26 14:15:52,748 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:15:52,748 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:15:52,749 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,753 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,755 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,756 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,758 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,760 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,762 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,764 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,768 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,770 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,772 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,774 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:52,843 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:15:52,844 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 14:15:52,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:52,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:52,845 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:52,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-07-26 14:15:52,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:52,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:52,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:52,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:52,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:52,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:52,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:52,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:52,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-07-26 14:15:52,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:52,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:52,886 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:52,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-07-26 14:15:52,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:52,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:52,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:52,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:52,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:52,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:52,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:52,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:52,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:52,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:52,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:52,913 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:52,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-07-26 14:15:52,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:52,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:52,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:15:52,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:52,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:52,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:52,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:15:52,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:15:52,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:52,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-07-26 14:15:52,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:52,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:52,941 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:52,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-07-26 14:15:52,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:52,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:52,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:52,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:52,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:52,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:52,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:52,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:52,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:52,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:52,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:52,980 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:52,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-07-26 14:15:52,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:52,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:52,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:52,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:52,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:52,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:52,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:52,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:53,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-07-26 14:15:53,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:53,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:53,008 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:53,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-07-26 14:15:53,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:53,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:53,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:53,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:53,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:53,018 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:53,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:53,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:53,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:53,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:53,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:53,036 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:53,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-07-26 14:15:53,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:53,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:53,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:53,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:53,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:53,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:53,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:53,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:53,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-07-26 14:15:53,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:53,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:53,075 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:53,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-07-26 14:15:53,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:53,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:53,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:15:53,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:53,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:53,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:53,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:15:53,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:15:53,085 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 14:15:53,087 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 14:15:53,087 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 14:15:53,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:53,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:53,088 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:53,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-07-26 14:15:53,089 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 14:15:53,089 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 14:15:53,089 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 14:15:53,089 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~M~0, thread3Thread1of1ForFork0_~i~2) = 1*~M~0 - 1*thread3Thread1of1ForFork0_~i~2 Supporting invariants [] [2022-07-26 14:15:53,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-07-26 14:15:53,105 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 14:15:53,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:15:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:15:53,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 14:15:53,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:15:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:15:53,180 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 14:15:53,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:15:53,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 14:15:53,180 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 14:15:53,181 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1099 states and 5790 transitions. cyclomatic complexity: 5109 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2022-07-26 14:15:53,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:53,278 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1099 states and 5790 transitions. cyclomatic complexity: 5109. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) Result 3097 states and 16829 transitions. Complement of second has 4 states. [2022-07-26 14:15:53,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-26 14:15:53,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2022-07-26 14:15:53,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2022-07-26 14:15:53,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 61 transitions. Stem has 7 letters. Loop has 1 letters. [2022-07-26 14:15:53,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:15:53,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 61 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-26 14:15:53,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:15:53,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 61 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-26 14:15:53,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:15:53,280 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3097 states and 16829 transitions. [2022-07-26 14:15:53,319 INFO L131 ngComponentsAnalysis]: Automaton has 98 accepting balls. 98 [2022-07-26 14:15:53,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3097 states to 2061 states and 10964 transitions. [2022-07-26 14:15:53,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 606 [2022-07-26 14:15:53,352 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 774 [2022-07-26 14:15:53,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2061 states and 10964 transitions. [2022-07-26 14:15:53,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 14:15:53,352 INFO L220 hiAutomatonCegarLoop]: Abstraction has 2061 states and 10964 transitions. [2022-07-26 14:15:53,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2061 states and 10964 transitions. [2022-07-26 14:15:53,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2061 to 1626. [2022-07-26 14:15:53,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1626 states, 1626 states have (on average 5.501230012300123) internal successors, (8945), 1625 states have internal predecessors, (8945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 14:15:53,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1626 states and 8945 transitions. [2022-07-26 14:15:53,410 INFO L242 hiAutomatonCegarLoop]: Abstraction has 1626 states and 8945 transitions. [2022-07-26 14:15:53,410 INFO L426 stractBuchiCegarLoop]: Abstraction has 1626 states and 8945 transitions. [2022-07-26 14:15:53,410 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-26 14:15:53,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1626 states and 8945 transitions. [2022-07-26 14:15:53,421 INFO L131 ngComponentsAnalysis]: Automaton has 98 accepting balls. 98 [2022-07-26 14:15:53,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 14:15:53,421 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 14:15:53,422 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-26 14:15:53,422 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 14:15:53,422 INFO L733 eck$LassoCheckResult]: Stem: 14886#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= v_~counter2~0_72 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= v_~counter1~0_78 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_72, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_39, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_41, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_78, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 13690#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 13352#[L89-4, thread1ENTRY]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 13356#[L90-3, thread1ENTRY]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 13808#[L90-4, thread2ENTRY, thread1ENTRY]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 13810#[thread2ENTRY, L91-3, thread1ENTRY]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 13816#[L91-4, thread3ENTRY, thread2ENTRY, thread1ENTRY]don't care [483] L91-4-->L92-3: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (select |v_#length_75| |v_ULTIMATE.start_main_~#t4~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre17#1_21| |v_#pthreadsForks_54|) (= (+ |v_#pthreadsForks_54| 1) |v_#pthreadsForks_53|) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) 1) (= (store |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31| (store (select |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) |v_ULTIMATE.start_main_~#t4~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre17#1_21|)) |v_#memory_int_55|)) InVars {#pthreadsForks=|v_#pthreadsForks_54|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_56|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_11|, #pthreadsForks=|v_#pthreadsForks_53|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_55|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet16#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~pre17#1] 14376#[L92-3, thread3ENTRY, thread2ENTRY, thread1ENTRY]don't care [388] L92-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre17#1_6| v_thread4Thread1of1ForFork2_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 14170#[thread3ENTRY, thread2ENTRY, L92-4, thread4ENTRY, thread1ENTRY]don't care [370] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 13472#[thread3ENTRY, thread2ENTRY, L92-4, thread1ENTRY, L72-4]don't care [2022-07-26 14:15:53,423 INFO L735 eck$LassoCheckResult]: Loop: 13472#[thread3ENTRY, thread2ENTRY, L92-4, thread1ENTRY, L72-4]don't care [484] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_~i~3#1_25| (+ |v_thread4Thread1of1ForFork2_~i~3#1_26| 1)) (< |v_thread4Thread1of1ForFork2_~i~3#1_26| v_~N~0_31) (= (+ v_~counter2~0_58 1) v_~counter2~0_59) (not (= 0 |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) (= (ite (< 0 v_~counter2~0_59) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9| |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) InVars {~counter2~0=v_~counter2~0_59, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_26|, ~N~0=v_~N~0_31} OutVars{~counter2~0=v_~counter2~0_58, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_25|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_19|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_9|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|, ~N~0=v_~N~0_31} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 13472#[thread3ENTRY, thread2ENTRY, L92-4, thread1ENTRY, L72-4]don't care [2022-07-26 14:15:53,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:15:53,423 INFO L85 PathProgramCache]: Analyzing trace with hash -656567976, now seen corresponding path program 1 times [2022-07-26 14:15:53,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:15:53,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745180670] [2022-07-26 14:15:53,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:15:53,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:15:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:53,456 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:15:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:53,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:15:53,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:15:53,481 INFO L85 PathProgramCache]: Analyzing trace with hash 515, now seen corresponding path program 1 times [2022-07-26 14:15:53,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:15:53,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036027371] [2022-07-26 14:15:53,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:15:53,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:15:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:53,485 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:15:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:15:53,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:15:53,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:15:53,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1121229708, now seen corresponding path program 1 times [2022-07-26 14:15:53,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:15:53,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826492869] [2022-07-26 14:15:53,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:15:53,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:15:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:15:53,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 14:15:53,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-26 14:15:53,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826492869] [2022-07-26 14:15:53,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826492869] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-26 14:15:53,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-26 14:15:53,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-07-26 14:15:53,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703271076] [2022-07-26 14:15:53,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-26 14:15:53,540 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:15:53,540 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:15:53,540 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:15:53,540 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:15:53,540 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 14:15:53,540 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:53,540 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:15:53,540 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:15:53,540 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration4_Loop [2022-07-26 14:15:53,540 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:15:53,540 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:15:53,541 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,542 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,544 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,545 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,547 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,549 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,552 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,553 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,555 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,556 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,557 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,560 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,562 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,643 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:15:53,643 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 14:15:53,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:53,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:53,644 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:53,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-07-26 14:15:53,646 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:53,646 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:53,667 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:53,667 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_7=-1} Honda state: {v_rep#funAddr~thread2.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:53,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:53,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:53,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:53,684 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:53,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-07-26 14:15:53,686 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:53,686 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:53,707 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:53,707 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_7=-1} Honda state: {v_rep#funAddr~thread3.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:53,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:53,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:53,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:53,724 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:53,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-07-26 14:15:53,726 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:53,726 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:53,747 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:53,747 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_7=-1} Honda state: {v_rep#funAddr~thread4.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:53,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:53,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:53,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:53,764 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:53,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-07-26 14:15:53,766 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:53,766 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:53,787 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:15:53,787 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_7=-1} Honda state: {v_rep#funAddr~thread1.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:15:53,802 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-07-26 14:15:53,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:53,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:53,803 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:53,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-07-26 14:15:53,805 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:15:53,805 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:53,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:53,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:53,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:53,827 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:53,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-07-26 14:15:53,828 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 14:15:53,828 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:15:53,958 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 14:15:53,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-07-26 14:15:53,961 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:15:53,961 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:15:53,961 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:15:53,961 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:15:53,961 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 14:15:53,961 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:53,961 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:15:53,961 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:15:53,962 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration4_Loop [2022-07-26 14:15:53,962 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:15:53,962 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:15:53,962 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,964 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,966 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,967 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,969 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,973 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,975 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,976 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,979 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,981 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,983 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,986 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:53,997 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:15:54,067 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:15:54,067 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 14:15:54,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:54,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:54,071 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:54,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-07-26 14:15:54,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:54,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:54,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:54,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:54,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:54,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:54,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:54,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:54,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:54,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:54,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:54,112 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:54,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-07-26 14:15:54,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:54,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:54,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:54,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:54,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:54,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:54,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:54,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:54,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:54,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:54,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:54,160 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:54,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-07-26 14:15:54,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:54,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:54,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:54,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:54,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:54,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:54,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:54,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:54,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-07-26 14:15:54,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:54,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:54,203 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:54,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-07-26 14:15:54,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:54,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:54,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:54,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:54,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:54,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:15:54,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:15:54,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:15:54,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-07-26 14:15:54,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:54,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:54,239 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:54,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-07-26 14:15:54,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:15:54,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:15:54,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:15:54,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:15:54,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:15:54,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:15:54,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:15:54,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:15:54,263 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 14:15:54,266 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-26 14:15:54,266 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 14:15:54,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:15:54,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:15:54,267 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:15:54,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-07-26 14:15:54,269 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 14:15:54,269 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 14:15:54,269 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 14:15:54,269 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread4Thread1of1ForFork2_~i~3#1) = 1*~N~0 - 1*thread4Thread1of1ForFork2_~i~3#1 Supporting invariants [] [2022-07-26 14:15:54,284 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-07-26 14:15:54,286 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 14:15:54,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:15:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:15:54,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 14:15:54,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:15:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:15:54,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 14:15:54,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:15:54,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 14:15:54,335 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 14:15:54,335 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1626 states and 8945 transitions. cyclomatic complexity: 7821 Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 14:15:54,417 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1626 states and 8945 transitions. cyclomatic complexity: 7821. Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3523 states and 18843 transitions. Complement of second has 4 states. [2022-07-26 14:15:54,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-26 14:15:54,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 14:15:54,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2022-07-26 14:15:54,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 59 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-26 14:15:54,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:15:54,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 59 transitions. Stem has 10 letters. Loop has 1 letters. [2022-07-26 14:15:54,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:15:54,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 59 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-26 14:15:54,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:15:54,419 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3523 states and 18843 transitions. [2022-07-26 14:15:54,476 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 14:15:54,477 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3523 states to 0 states and 0 transitions. [2022-07-26 14:15:54,477 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-26 14:15:54,477 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-26 14:15:54,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-26 14:15:54,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-26 14:15:54,477 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 14:15:54,477 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 14:15:54,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-26 14:15:54,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-26 14:15:54,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-26 14:15:54,477 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 14:15:54,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-26 14:15:54,477 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-07-26 14:15:54,478 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-07-26 14:15:54,478 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 14:15:54,478 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-07-26 14:15:54,478 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-26 14:15:54,478 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-26 14:15:54,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-26 14:15:54,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-26 14:15:54,478 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 14:15:54,478 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 14:15:54,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-26 14:15:54,478 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 14:15:54,478 INFO L333 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-26 14:15:54,478 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-26 14:15:54,478 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 14:15:54,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 14:15:54,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-07-26 14:15:54,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 02:15:54 BoogieIcfgContainer [2022-07-26 14:15:54,502 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 14:15:54,502 INFO L158 Benchmark]: Toolchain (without parser) took 9320.35ms. Allocated memory was 196.1MB in the beginning and 340.8MB in the end (delta: 144.7MB). Free memory was 139.0MB in the beginning and 279.6MB in the end (delta: -140.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-07-26 14:15:54,502 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 196.1MB. Free memory was 155.1MB in the beginning and 155.0MB in the end (delta: 90.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 14:15:54,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.77ms. Allocated memory was 196.1MB in the beginning and 277.9MB in the end (delta: 81.8MB). Free memory was 138.8MB in the beginning and 249.1MB in the end (delta: -110.3MB). Peak memory consumption was 15.6MB. Max. memory is 8.0GB. [2022-07-26 14:15:54,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.15ms. Allocated memory is still 277.9MB. Free memory was 249.1MB in the beginning and 247.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 14:15:54,503 INFO L158 Benchmark]: Boogie Preprocessor took 16.71ms. Allocated memory is still 277.9MB. Free memory was 247.0MB in the beginning and 246.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 14:15:54,503 INFO L158 Benchmark]: RCFGBuilder took 394.41ms. Allocated memory is still 277.9MB. Free memory was 245.5MB in the beginning and 227.6MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-07-26 14:15:54,503 INFO L158 Benchmark]: BuchiAutomizer took 8586.07ms. Allocated memory was 277.9MB in the beginning and 340.8MB in the end (delta: 62.9MB). Free memory was 227.6MB in the beginning and 279.6MB in the end (delta: -52.0MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-07-26 14:15:54,504 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 196.1MB. Free memory was 155.1MB in the beginning and 155.0MB in the end (delta: 90.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 278.77ms. Allocated memory was 196.1MB in the beginning and 277.9MB in the end (delta: 81.8MB). Free memory was 138.8MB in the beginning and 249.1MB in the end (delta: -110.3MB). Peak memory consumption was 15.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.15ms. Allocated memory is still 277.9MB. Free memory was 249.1MB in the beginning and 247.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.71ms. Allocated memory is still 277.9MB. Free memory was 247.0MB in the beginning and 246.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 394.41ms. Allocated memory is still 277.9MB. Free memory was 245.5MB in the beginning and 227.6MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * BuchiAutomizer took 8586.07ms. Allocated memory was 277.9MB in the beginning and 340.8MB in the end (delta: 62.9MB). Free memory was 227.6MB in the beginning and 279.6MB in the end (delta: -52.0MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (2 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + M and consists of 4 locations. One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function -1 * i + M and consists of 3 locations. One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.4s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 1183 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.2s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 188 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 184 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 256 IncrementalHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 32 mSDtfsCounter, 256 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT2 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax359 hnf100 lsp14 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 26 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.2s InitialAbstractionConstructionTime: 2.9s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.9s, 125 PlacesBefore, 38 PlacesAfterwards, 121 TransitionsBefore, 29 TransitionsAfterwards, 2520 CoEnabledTransitionPairs, 6 FixpointIterations, 47 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 8 ConcurrentYvCompositions, 5 ChoiceCompositions, 98 TotalNumberOfCompositions, 2509 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2439, positive: 2433, positive conditional: 0, positive unconditional: 2433, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1339, positive: 1334, positive conditional: 0, positive unconditional: 1334, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2439, positive: 1099, positive conditional: 0, positive unconditional: 1099, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 1339, unknown conditional: 0, unknown unconditional: 1339] , Statistics on independence cache: Total cache size (in pairs): 90, Positive cache size: 90, Positive conditional cache size: 0, Positive unconditional cache size: 90, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-07-26 14:15:54,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...