/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-semanticLbe.epf -i ../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:24:38,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:24:38,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:24:38,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 12:24:38,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 12:24:38,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 12:24:38,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 12:24:38,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 12:24:38,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 12:24:38,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 12:24:38,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 12:24:38,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 12:24:38,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 12:24:38,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 12:24:38,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 12:24:38,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 12:24:38,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 12:24:38,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 12:24:38,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 12:24:38,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 12:24:38,376 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 12:24:38,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 12:24:38,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 12:24:38,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 12:24:38,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 12:24:38,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 12:24:38,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 12:24:38,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 12:24:38,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 12:24:38,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 12:24:38,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 12:24:38,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 12:24:38,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 12:24:38,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 12:24:38,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 12:24:38,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 12:24:38,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 12:24:38,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 12:24:38,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 12:24:38,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:24:38,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:24:38,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:24:38,421 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-07-22 12:24:38,469 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:24:38,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:24:38,470 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:24:38,470 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:24:38,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:24:38,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:24:38,472 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:24:38,472 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:24:38,472 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:24:38,473 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:24:38,473 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:24:38,474 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:24:38,474 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:24:38,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:24:38,474 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:24:38,474 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:24:38,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:24:38,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:24:38,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:24:38,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:24:38,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:24:38,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:24:38,476 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:24:38,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:24:38,476 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:24:38,476 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:24:38,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:24:38,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:24:38,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:24:38,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:24:38,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:24:38,481 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:24:38,481 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:24:38,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:24:38,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:24:38,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:24:38,943 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:24:38,944 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:24:38,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2022-07-22 12:24:39,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efe3bf404/cd5dac75fdd5405b93172a6683e37088/FLAGb1b6a32d1 [2022-07-22 12:24:39,673 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:24:39,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2022-07-22 12:24:39,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efe3bf404/cd5dac75fdd5405b93172a6683e37088/FLAGb1b6a32d1 [2022-07-22 12:24:40,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efe3bf404/cd5dac75fdd5405b93172a6683e37088 [2022-07-22 12:24:40,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:24:40,050 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:24:40,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:24:40,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:24:40,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:24:40,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:24:40" (1/1) ... [2022-07-22 12:24:40,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6a1027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:24:40, skipping insertion in model container [2022-07-22 12:24:40,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:24:40" (1/1) ... [2022-07-22 12:24:40,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:24:40,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:24:40,287 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-nonblocking-cntr.wvr.c[2037,2050] [2022-07-22 12:24:40,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:24:40,298 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:24:40,321 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-nonblocking-cntr.wvr.c[2037,2050] [2022-07-22 12:24:40,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:24:40,339 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:24:40,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:24:40 WrapperNode [2022-07-22 12:24:40,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:24:40,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:24:40,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:24:40,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:24:40,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:24:40" (1/1) ... [2022-07-22 12:24:40,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:24:40" (1/1) ... [2022-07-22 12:24:40,387 INFO L137 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2022-07-22 12:24:40,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:24:40,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:24:40,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:24:40,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:24:40,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:24:40" (1/1) ... [2022-07-22 12:24:40,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:24:40" (1/1) ... [2022-07-22 12:24:40,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:24:40" (1/1) ... [2022-07-22 12:24:40,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:24:40" (1/1) ... [2022-07-22 12:24:40,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:24:40" (1/1) ... [2022-07-22 12:24:40,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:24:40" (1/1) ... [2022-07-22 12:24:40,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:24:40" (1/1) ... [2022-07-22 12:24:40,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:24:40,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:24:40,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:24:40,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:24:40,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:24:40" (1/1) ... [2022-07-22 12:24:40,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:40,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:40,462 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) [2022-07-22 12:24:40,476 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 [2022-07-22 12:24:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:24:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-22 12:24:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-22 12:24:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-22 12:24:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-22 12:24:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:24:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:24:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:24:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-22 12:24:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-22 12:24:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:24:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:24:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:24:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:24:40,539 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-22 12:24:40,635 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:24:40,637 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:24:40,956 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:24:41,037 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:24:41,038 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 12:24:41,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:24:41 BoogieIcfgContainer [2022-07-22 12:24:41,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:24:41,042 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:24:41,042 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:24:41,047 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:24:41,048 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:24:41,049 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:24:40" (1/3) ... [2022-07-22 12:24:41,050 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1007db84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:24:41, skipping insertion in model container [2022-07-22 12:24:41,050 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:24:41,050 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:24:40" (2/3) ... [2022-07-22 12:24:41,051 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1007db84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:24:41, skipping insertion in model container [2022-07-22 12:24:41,051 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:24:41,051 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:24:41" (3/3) ... [2022-07-22 12:24:41,053 INFO L322 chiAutomizerObserver]: Analyzing ICFG popl20-nonblocking-cntr.wvr.c [2022-07-22 12:24:41,199 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-22 12:24:41,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 82 transitions, 180 flow [2022-07-22 12:24:41,352 INFO L129 PetriNetUnfolder]: 6/78 cut-off events. [2022-07-22 12:24:41,352 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-22 12:24:41,359 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 78 events. 6/78 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 44 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2022-07-22 12:24:41,360 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 82 transitions, 180 flow [2022-07-22 12:24:41,368 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 78 transitions, 168 flow [2022-07-22 12:24:41,372 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-22 12:24:41,389 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 78 transitions, 168 flow [2022-07-22 12:24:41,392 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 78 transitions, 168 flow [2022-07-22 12:24:41,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 78 transitions, 168 flow [2022-07-22 12:24:41,411 INFO L129 PetriNetUnfolder]: 6/78 cut-off events. [2022-07-22 12:24:41,411 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-22 12:24:41,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 78 events. 6/78 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2022-07-22 12:24:41,414 INFO L116 LiptonReduction]: Number of co-enabled transitions 404 [2022-07-22 12:24:43,864 INFO L131 LiptonReduction]: Checked pairs total: 414 [2022-07-22 12:24:43,865 INFO L133 LiptonReduction]: Total number of compositions: 75 [2022-07-22 12:24:43,891 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:24:43,891 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:24:43,891 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:24:43,892 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:24:43,892 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:24:43,892 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:24:43,892 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:24:43,893 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:24:43,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 12:24:43,936 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 14 [2022-07-22 12:24:43,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:24:43,936 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:24:43,944 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-22 12:24:43,944 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:24:43,944 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 12:24:43,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 33 states, but on-demand construction may add more states [2022-07-22 12:24:43,949 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 14 [2022-07-22 12:24:43,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:24:43,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:24:43,950 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-22 12:24:43,950 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:24:43,957 INFO L748 eck$LassoCheckResult]: Stem: 84#[ULTIMATE.startENTRY]don't care [303] ULTIMATE.startENTRY-->L71-3: Formula: (let ((.cse0 (select |v_#memory_int_52| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= |v_ULTIMATE.start_main_~#t1~0#1.offset_45| 0) (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_53| 0)) (= v_~counter~0_65 0) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (= |v_#length_67| (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_55| 4)) (= (select .cse0 1) 0) (< 0 |v_#StackHeapBarrier_22|) (= |v_ULTIMATE.start_main_#t~pre6#1_31| |v_#pthreadsForks_46|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_55|) 0) (= 2 (select |v_#length_68| 1)) (= (store |v_#memory_int_52| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_52| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_45| |v_ULTIMATE.start_main_#t~pre6#1_31|)) |v_#memory_int_51|) (= (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_55| 1) |v_#valid_106|) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (ite (< 0 v_~M~0_52) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_37|) (= (select |v_#length_68| 2) 30) (= (select |v_#valid_107| 0) 0) (= |v_#NULL.offset_8| 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_47| 0) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_53| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_37|) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_55|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_52|, #length=|v_#length_68|} OutVars{~counter~0=v_~counter~0_65, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_47|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_17|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_34|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_29|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_45|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_20|, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_45|, ~M~0=v_~M~0_52, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_53|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, #valid=|v_#valid_106|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_19|, #memory_int=|v_#memory_int_51|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_22|, #length=|v_#length_67|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_55|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_37|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~pre8#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, #NULL.base, #pthreadsForks, ~M~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet5#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~mem11#1, #length, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 87#[L71-3]don't care [225] L71-3-->thread1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork0_thidvar0_2) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_4|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_12, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 89#[L71-4, thread1ENTRY]don't care [206] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork0_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_~i~0] 91#[L71-4, L41-4]don't care [2022-07-22 12:24:43,957 INFO L750 eck$LassoCheckResult]: Loop: 91#[L71-4, L41-4]don't care [291] L41-4-->L41-4: Formula: (and (= (+ v_thread1Thread1of1ForFork0_~i~0_30 1) v_thread1Thread1of1ForFork0_~i~0_29) (= (+ v_~counter~0_54 1) v_~counter~0_53) (< v_thread1Thread1of1ForFork0_~i~0_30 v_~M~0_40)) InVars {~counter~0=v_~counter~0_54, ~M~0=v_~M~0_40, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_30} OutVars{~counter~0=v_~counter~0_53, ~M~0=v_~M~0_40, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_15|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_9|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_29} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0] 91#[L71-4, L41-4]don't care [2022-07-22 12:24:43,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:24:43,965 INFO L85 PathProgramCache]: Analyzing trace with hash 328155, now seen corresponding path program 1 times [2022-07-22 12:24:43,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:24:43,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922977240] [2022-07-22 12:24:43,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:24:43,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:24:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:44,120 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:24:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:44,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:24:44,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:24:44,194 INFO L85 PathProgramCache]: Analyzing trace with hash 322, now seen corresponding path program 1 times [2022-07-22 12:24:44,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:24:44,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109678476] [2022-07-22 12:24:44,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:24:44,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:24:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:44,220 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:24:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:44,239 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:24:44,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:24:44,243 INFO L85 PathProgramCache]: Analyzing trace with hash 10173096, now seen corresponding path program 1 times [2022-07-22 12:24:44,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:24:44,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333814339] [2022-07-22 12:24:44,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:24:44,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:24:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:44,294 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:24:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:44,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:24:44,364 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:24:44,365 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:24:44,365 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:24:44,365 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:24:44,366 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:24:44,366 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:44,366 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:24:44,366 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:24:44,366 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-nonblocking-cntr.wvr.c_BEv2_Iteration1_Loop [2022-07-22 12:24:44,367 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:24:44,367 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:24:44,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:44,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:44,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:44,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:44,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:44,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:44,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:44,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:44,476 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:24:44,477 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:24:44,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:44,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:44,483 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) [2022-07-22 12:24:44,493 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:24:44,493 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:44,506 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 [2022-07-22 12:24:44,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-22 12:24:44,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:44,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:44,555 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) [2022-07-22 12:24:44,565 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 [2022-07-22 12:24:44,568 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:24:44,568 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:44,624 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:24:44,625 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter~0=0} Honda state: {~counter~0=0} Generalized eigenvectors: [{~counter~0=-6}, {~counter~0=6}, {~counter~0=1}] Lambdas: [2, 1, 1] Nus: [1, 0] [2022-07-22 12:24:44,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-22 12:24:44,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:44,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:44,731 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) [2022-07-22 12:24:44,754 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 [2022-07-22 12:24:44,754 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:24:44,754 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:44,777 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:24:44,777 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_1=1} Honda state: {v_rep#funAddr~thread2.offset_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:24:44,831 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 [2022-07-22 12:24:44,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:44,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:44,834 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) [2022-07-22 12:24:44,842 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:24:44,842 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:44,853 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 [2022-07-22 12:24:44,909 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 [2022-07-22 12:24:44,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:44,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:44,913 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) [2022-07-22 12:24:44,919 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:24:44,919 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:44,937 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 [2022-07-22 12:24:45,146 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:24:45,153 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 [2022-07-22 12:24:45,153 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:24:45,154 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:24:45,154 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:24:45,154 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:24:45,154 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:24:45,155 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:45,155 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:24:45,155 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:24:45,155 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-nonblocking-cntr.wvr.c_BEv2_Iteration1_Loop [2022-07-22 12:24:45,155 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:24:45,155 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:24:45,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:45,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:45,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:45,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:45,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:45,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:45,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:45,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:45,257 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:24:45,263 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:24:45,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:45,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:45,266 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) [2022-07-22 12:24:45,270 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 [2022-07-22 12:24:45,271 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 [2022-07-22 12:24:45,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:24:45,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:24:45,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:24:45,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:24:45,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:24:45,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:24:45,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:24:45,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:24:45,341 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 [2022-07-22 12:24:45,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:45,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:45,343 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) [2022-07-22 12:24:45,348 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 [2022-07-22 12:24:45,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:24:45,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:24:45,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:24:45,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:24:45,364 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:24:45,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:24:45,368 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 [2022-07-22 12:24:45,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:24:45,410 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 [2022-07-22 12:24:45,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:45,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:45,412 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) [2022-07-22 12:24:45,418 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 [2022-07-22 12:24:45,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:24:45,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:24:45,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:24:45,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:24:45,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:24:45,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:24:45,441 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 [2022-07-22 12:24:45,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:24:45,488 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 [2022-07-22 12:24:45,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:45,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:45,491 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) [2022-07-22 12:24:45,496 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 [2022-07-22 12:24:45,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:24:45,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:24:45,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:24:45,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:24:45,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:24:45,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:24:45,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:24:45,512 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 [2022-07-22 12:24:45,519 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:24:45,527 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:24:45,527 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:24:45,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:45,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:45,531 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) [2022-07-22 12:24:45,536 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:24:45,537 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:24:45,537 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:24:45,538 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~M~0, thread1Thread1of1ForFork0_~i~0) = 1*~M~0 - 1*thread1Thread1of1ForFork0_~i~0 Supporting invariants [] [2022-07-22 12:24:45,551 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 [2022-07-22 12:24:45,572 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 [2022-07-22 12:24:45,576 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:24:45,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:24:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:24:45,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:24:45,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:24:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:24:45,644 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:24:45,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:24:45,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:24:45,680 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:24:45,683 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 33 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) [2022-07-22 12:24:45,775 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 33 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 63 states and 161 transitions. Complement of second has 3 states. [2022-07-22 12:24:45,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:24:45,799 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) [2022-07-22 12:24:45,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 10 transitions. [2022-07-22 12:24:45,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-22 12:24:45,811 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:24:45,811 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-22 12:24:45,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:24:45,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 3 letters. Loop has 2 letters. [2022-07-22 12:24:45,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:24:45,817 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 161 transitions. [2022-07-22 12:24:45,834 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13 [2022-07-22 12:24:45,845 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 52 states and 135 transitions. [2022-07-22 12:24:45,847 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2022-07-22 12:24:45,848 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2022-07-22 12:24:45,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 135 transitions. [2022-07-22 12:24:45,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:24:45,851 INFO L220 hiAutomatonCegarLoop]: Abstraction has 52 states and 135 transitions. [2022-07-22 12:24:45,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 135 transitions. [2022-07-22 12:24:45,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 40. [2022-07-22 12:24:45,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 2.6) internal successors, (104), 39 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:24:45,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 104 transitions. [2022-07-22 12:24:45,895 INFO L242 hiAutomatonCegarLoop]: Abstraction has 40 states and 104 transitions. [2022-07-22 12:24:45,895 INFO L425 stractBuchiCegarLoop]: Abstraction has 40 states and 104 transitions. [2022-07-22 12:24:45,895 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 12:24:45,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 104 transitions. [2022-07-22 12:24:45,899 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13 [2022-07-22 12:24:45,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:24:45,900 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:24:45,900 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 12:24:45,900 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:24:45,901 INFO L748 eck$LassoCheckResult]: Stem: 300#[ULTIMATE.startENTRY]don't care [303] ULTIMATE.startENTRY-->L71-3: Formula: (let ((.cse0 (select |v_#memory_int_52| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= |v_ULTIMATE.start_main_~#t1~0#1.offset_45| 0) (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_53| 0)) (= v_~counter~0_65 0) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (= |v_#length_67| (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_55| 4)) (= (select .cse0 1) 0) (< 0 |v_#StackHeapBarrier_22|) (= |v_ULTIMATE.start_main_#t~pre6#1_31| |v_#pthreadsForks_46|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_55|) 0) (= 2 (select |v_#length_68| 1)) (= (store |v_#memory_int_52| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_52| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_45| |v_ULTIMATE.start_main_#t~pre6#1_31|)) |v_#memory_int_51|) (= (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_55| 1) |v_#valid_106|) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (ite (< 0 v_~M~0_52) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_37|) (= (select |v_#length_68| 2) 30) (= (select |v_#valid_107| 0) 0) (= |v_#NULL.offset_8| 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_47| 0) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_53| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_37|) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_55|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_52|, #length=|v_#length_68|} OutVars{~counter~0=v_~counter~0_65, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_47|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_17|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_34|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_29|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_45|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_20|, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_45|, ~M~0=v_~M~0_52, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_53|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, #valid=|v_#valid_106|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_19|, #memory_int=|v_#memory_int_51|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_22|, #length=|v_#length_67|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_55|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_37|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~pre8#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, #NULL.base, #pthreadsForks, ~M~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet5#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~mem11#1, #length, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 302#[L71-3]don't care [225] L71-3-->thread1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork0_thidvar0_2) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_4|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_12, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 308#[L71-4, thread1ENTRY]don't care [206] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork0_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_~i~0] 248#[L71-4, L41-4]don't care [287] L71-4-->L72-3: Formula: (and (= |v_#memory_int_31| (store |v_#memory_int_32| |v_ULTIMATE.start_main_~#t2~0#1.base_37| (store (select |v_#memory_int_32| |v_ULTIMATE.start_main_~#t2~0#1.base_37|) |v_ULTIMATE.start_main_~#t2~0#1.offset_29| |v_ULTIMATE.start_main_#t~pre8#1_21|))) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_29| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_37|)) (= |v_ULTIMATE.start_main_#t~pre8#1_21| |v_#pthreadsForks_26|) (= (select |v_#valid_74| |v_ULTIMATE.start_main_~#t2~0#1.base_37|) 1) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_29|) (= |v_#pthreadsForks_25| (+ |v_#pthreadsForks_26| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_29|, #valid=|v_#valid_74|, #memory_int=|v_#memory_int_32|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_37|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_15|, #pthreadsForks=|v_#pthreadsForks_25|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_29|, #valid=|v_#valid_74|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_11|, #memory_int=|v_#memory_int_31|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_21|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_37|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~pre8#1] 254#[L41-4, L72-3]don't care [2022-07-22 12:24:45,901 INFO L750 eck$LassoCheckResult]: Loop: 254#[L41-4, L72-3]don't care [291] L41-4-->L41-4: Formula: (and (= (+ v_thread1Thread1of1ForFork0_~i~0_30 1) v_thread1Thread1of1ForFork0_~i~0_29) (= (+ v_~counter~0_54 1) v_~counter~0_53) (< v_thread1Thread1of1ForFork0_~i~0_30 v_~M~0_40)) InVars {~counter~0=v_~counter~0_54, ~M~0=v_~M~0_40, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_30} OutVars{~counter~0=v_~counter~0_53, ~M~0=v_~M~0_40, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_15|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_9|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_29} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0] 254#[L41-4, L72-3]don't care [2022-07-22 12:24:45,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:24:45,902 INFO L85 PathProgramCache]: Analyzing trace with hash 10173092, now seen corresponding path program 1 times [2022-07-22 12:24:45,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:24:45,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664824805] [2022-07-22 12:24:45,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:24:45,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:24:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:45,929 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:24:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:45,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:24:45,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:24:45,954 INFO L85 PathProgramCache]: Analyzing trace with hash 322, now seen corresponding path program 2 times [2022-07-22 12:24:45,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:24:45,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506462366] [2022-07-22 12:24:45,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:24:45,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:24:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:45,961 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:24:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:45,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:24:45,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:24:45,968 INFO L85 PathProgramCache]: Analyzing trace with hash 315366143, now seen corresponding path program 1 times [2022-07-22 12:24:45,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:24:45,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101734333] [2022-07-22 12:24:45,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:24:45,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:24:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:45,993 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:24:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:46,015 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:24:46,033 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:24:46,033 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:24:46,033 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:24:46,033 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:24:46,033 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:24:46,034 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:46,034 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:24:46,034 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:24:46,034 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-nonblocking-cntr.wvr.c_BEv2_Iteration2_Loop [2022-07-22 12:24:46,034 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:24:46,034 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:24:46,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:46,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:46,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:46,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:46,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:46,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:46,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:46,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:46,134 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:24:46,134 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:24:46,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:46,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:46,136 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 [2022-07-22 12:24:46,148 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) [2022-07-22 12:24:46,174 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 [2022-07-22 12:24:46,175 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:24:46,175 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:46,190 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:24:46,191 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_3=1} Honda state: {v_rep#funAddr~thread2.offset_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:24:46,231 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 [2022-07-22 12:24:46,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:46,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:46,233 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) [2022-07-22 12:24:46,239 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:24:46,239 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:46,253 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 [2022-07-22 12:24:46,256 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:24:46,256 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: [] [2022-07-22 12:24:46,281 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 [2022-07-22 12:24:46,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:46,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:46,283 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) [2022-07-22 12:24:46,284 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 [2022-07-22 12:24:46,288 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:24:46,288 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:46,310 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:24:46,310 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: [] [2022-07-22 12:24:46,345 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 [2022-07-22 12:24:46,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:46,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:46,347 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) [2022-07-22 12:24:46,361 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:24:46,361 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:46,371 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 [2022-07-22 12:24:46,379 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:24:46,380 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_#t~post2=0} Honda state: {thread1Thread1of1ForFork0_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:24:46,420 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 [2022-07-22 12:24:46,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:46,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:46,428 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) [2022-07-22 12:24:46,432 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 [2022-07-22 12:24:46,433 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:24:46,433 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:46,466 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 [2022-07-22 12:24:46,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:46,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:46,468 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) [2022-07-22 12:24:46,469 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 [2022-07-22 12:24:46,469 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:24:46,469 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:46,491 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:24:46,491 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter~0=0} Honda state: {~counter~0=0} Generalized eigenvectors: [{~counter~0=-6}, {~counter~0=6}, {~counter~0=1}] Lambdas: [2, 1, 1] Nus: [1, 0] [2022-07-22 12:24:46,514 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 [2022-07-22 12:24:46,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:46,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:46,516 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) [2022-07-22 12:24:46,518 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 [2022-07-22 12:24:46,519 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:24:46,519 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:46,550 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 [2022-07-22 12:24:46,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:46,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:46,551 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) [2022-07-22 12:24:46,553 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 [2022-07-22 12:24:46,554 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:24:46,554 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:46,726 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:24:46,730 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 [2022-07-22 12:24:46,730 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:24:46,731 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:24:46,731 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:24:46,731 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:24:46,731 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:24:46,731 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:46,731 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:24:46,731 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:24:46,732 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-nonblocking-cntr.wvr.c_BEv2_Iteration2_Loop [2022-07-22 12:24:46,732 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:24:46,732 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:24:46,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:46,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:46,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:46,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:46,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:46,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:46,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:46,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:46,812 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:24:46,813 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:24:46,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:46,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:46,814 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) [2022-07-22 12:24:46,826 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 [2022-07-22 12:24:46,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:24:46,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:24:46,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:24:46,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:24:46,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:24:46,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:24:46,841 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 [2022-07-22 12:24:46,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:24:46,883 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 [2022-07-22 12:24:46,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:46,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:46,885 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) [2022-07-22 12:24:46,888 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 [2022-07-22 12:24:46,890 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 [2022-07-22 12:24:46,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:24:46,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:24:46,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:24:46,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:24:46,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:24:46,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:24:46,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:24:46,932 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 [2022-07-22 12:24:46,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:46,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:46,933 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) [2022-07-22 12:24:46,934 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 [2022-07-22 12:24:46,935 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 [2022-07-22 12:24:46,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:24:46,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:24:46,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:24:46,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:24:46,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:24:46,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:24:46,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:24:47,009 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 [2022-07-22 12:24:47,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:47,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:47,011 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) [2022-07-22 12:24:47,013 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 [2022-07-22 12:24:47,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:24:47,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:24:47,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:24:47,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:24:47,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:24:47,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:24:47,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:24:47,027 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 [2022-07-22 12:24:47,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:24:47,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-07-22 12:24:47,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:47,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:47,079 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) [2022-07-22 12:24:47,082 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 [2022-07-22 12:24:47,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:24:47,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:24:47,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:24:47,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:24:47,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:24:47,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:24:47,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:24:47,097 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 [2022-07-22 12:24:47,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:24:47,142 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 [2022-07-22 12:24:47,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:47,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:47,145 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) [2022-07-22 12:24:47,153 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 [2022-07-22 12:24:47,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:24:47,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:24:47,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:24:47,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:24:47,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:24:47,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:24:47,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:24:47,169 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 [2022-07-22 12:24:47,176 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:24:47,183 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:24:47,183 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:24:47,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:47,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:47,184 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) [2022-07-22 12:24:47,187 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:24:47,187 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:24:47,187 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:24:47,187 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork0_~i~0, ~M~0) = -1*thread1Thread1of1ForFork0_~i~0 + 1*~M~0 Supporting invariants [] [2022-07-22 12:24:47,203 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 [2022-07-22 12:24:47,229 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 [2022-07-22 12:24:47,235 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:24:47,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:24:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:24:47,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:24:47,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:24:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:24:47,277 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:24:47,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:24:47,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:24:47,279 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:24:47,279 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 104 transitions. cyclomatic complexity: 84 Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:24:47,302 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 104 transitions. cyclomatic complexity: 84. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 115 transitions. Complement of second has 3 states. [2022-07-22 12:24:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:24:47,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:24:47,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2022-07-22 12:24:47,305 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-22 12:24:47,305 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:24:47,305 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 12:24:47,305 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:24:47,305 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-22 12:24:47,306 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:24:47,306 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 115 transitions. [2022-07-22 12:24:47,311 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 12 [2022-07-22 12:24:47,313 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 115 transitions. [2022-07-22 12:24:47,314 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2022-07-22 12:24:47,314 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2022-07-22 12:24:47,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 115 transitions. [2022-07-22 12:24:47,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:24:47,316 INFO L220 hiAutomatonCegarLoop]: Abstraction has 45 states and 115 transitions. [2022-07-22 12:24:47,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 115 transitions. [2022-07-22 12:24:47,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39. [2022-07-22 12:24:47,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 2.58974358974359) internal successors, (101), 38 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:24:47,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 101 transitions. [2022-07-22 12:24:47,323 INFO L242 hiAutomatonCegarLoop]: Abstraction has 39 states and 101 transitions. [2022-07-22 12:24:47,323 INFO L425 stractBuchiCegarLoop]: Abstraction has 39 states and 101 transitions. [2022-07-22 12:24:47,323 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 12:24:47,323 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 101 transitions. [2022-07-22 12:24:47,326 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 12 [2022-07-22 12:24:47,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:24:47,326 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:24:47,326 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 12:24:47,327 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:24:47,327 INFO L748 eck$LassoCheckResult]: Stem: 456#[ULTIMATE.startENTRY]don't care [303] ULTIMATE.startENTRY-->L71-3: Formula: (let ((.cse0 (select |v_#memory_int_52| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= |v_ULTIMATE.start_main_~#t1~0#1.offset_45| 0) (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_53| 0)) (= v_~counter~0_65 0) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (= |v_#length_67| (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_55| 4)) (= (select .cse0 1) 0) (< 0 |v_#StackHeapBarrier_22|) (= |v_ULTIMATE.start_main_#t~pre6#1_31| |v_#pthreadsForks_46|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_55|) 0) (= 2 (select |v_#length_68| 1)) (= (store |v_#memory_int_52| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_52| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_45| |v_ULTIMATE.start_main_#t~pre6#1_31|)) |v_#memory_int_51|) (= (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_55| 1) |v_#valid_106|) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (ite (< 0 v_~M~0_52) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_37|) (= (select |v_#length_68| 2) 30) (= (select |v_#valid_107| 0) 0) (= |v_#NULL.offset_8| 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_47| 0) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_53| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_37|) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_55|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_52|, #length=|v_#length_68|} OutVars{~counter~0=v_~counter~0_65, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_47|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_17|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_34|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_29|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_45|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_20|, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_45|, ~M~0=v_~M~0_52, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_53|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, #valid=|v_#valid_106|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_19|, #memory_int=|v_#memory_int_51|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_22|, #length=|v_#length_67|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_55|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_37|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~pre8#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, #NULL.base, #pthreadsForks, ~M~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet5#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~mem11#1, #length, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 458#[L71-3]don't care [225] L71-3-->thread1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork0_thidvar0_2) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_4|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_12, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 464#[L71-4, thread1ENTRY]don't care [206] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork0_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_~i~0] 404#[L71-4, L41-4]don't care [287] L71-4-->L72-3: Formula: (and (= |v_#memory_int_31| (store |v_#memory_int_32| |v_ULTIMATE.start_main_~#t2~0#1.base_37| (store (select |v_#memory_int_32| |v_ULTIMATE.start_main_~#t2~0#1.base_37|) |v_ULTIMATE.start_main_~#t2~0#1.offset_29| |v_ULTIMATE.start_main_#t~pre8#1_21|))) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_29| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_37|)) (= |v_ULTIMATE.start_main_#t~pre8#1_21| |v_#pthreadsForks_26|) (= (select |v_#valid_74| |v_ULTIMATE.start_main_~#t2~0#1.base_37|) 1) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_29|) (= |v_#pthreadsForks_25| (+ |v_#pthreadsForks_26| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_29|, #valid=|v_#valid_74|, #memory_int=|v_#memory_int_32|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_37|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_15|, #pthreadsForks=|v_#pthreadsForks_25|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_29|, #valid=|v_#valid_74|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_11|, #memory_int=|v_#memory_int_31|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_21|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_37|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~pre8#1] 410#[L41-4, L72-3]don't care [228] L72-3-->thread2ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre8#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_12, thread2Thread1of1ForFork1_#t~post4=|v_thread2Thread1of1ForFork1_#t~post4_6|, thread2Thread1of1ForFork1_#t~post3=|v_thread2Thread1of1ForFork1_#t~post3_6|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_~i~1, thread2Thread1of1ForFork1_#t~post4, thread2Thread1of1ForFork1_#t~post3, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 414#[L41-4, L72-4, thread2ENTRY]don't care [2022-07-22 12:24:47,328 INFO L750 eck$LassoCheckResult]: Loop: 414#[L41-4, L72-4, thread2ENTRY]don't care [291] L41-4-->L41-4: Formula: (and (= (+ v_thread1Thread1of1ForFork0_~i~0_30 1) v_thread1Thread1of1ForFork0_~i~0_29) (= (+ v_~counter~0_54 1) v_~counter~0_53) (< v_thread1Thread1of1ForFork0_~i~0_30 v_~M~0_40)) InVars {~counter~0=v_~counter~0_54, ~M~0=v_~M~0_40, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_30} OutVars{~counter~0=v_~counter~0_53, ~M~0=v_~M~0_40, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_15|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_9|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_29} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0] 414#[L41-4, L72-4, thread2ENTRY]don't care [2022-07-22 12:24:47,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:24:47,328 INFO L85 PathProgramCache]: Analyzing trace with hash 315366080, now seen corresponding path program 1 times [2022-07-22 12:24:47,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:24:47,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569494984] [2022-07-22 12:24:47,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:24:47,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:24:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:47,361 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:24:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:47,398 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:24:47,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:24:47,399 INFO L85 PathProgramCache]: Analyzing trace with hash 322, now seen corresponding path program 3 times [2022-07-22 12:24:47,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:24:47,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480327915] [2022-07-22 12:24:47,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:24:47,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:24:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:47,415 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:24:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:47,419 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:24:47,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:24:47,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1186414179, now seen corresponding path program 1 times [2022-07-22 12:24:47,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:24:47,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586893467] [2022-07-22 12:24:47,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:24:47,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:24:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:47,463 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:24:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:47,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:24:47,522 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:24:47,523 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:24:47,523 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:24:47,523 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:24:47,523 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:24:47,523 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:47,523 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:24:47,523 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:24:47,523 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-nonblocking-cntr.wvr.c_BEv2_Iteration3_Loop [2022-07-22 12:24:47,523 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:24:47,524 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:24:47,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:47,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:47,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:47,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:47,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:47,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:47,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:47,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:47,596 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:24:47,596 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:24:47,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:47,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:47,599 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) [2022-07-22 12:24:47,608 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 [2022-07-22 12:24:47,608 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:24:47,609 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:47,617 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:24:47,617 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_#t~post1=0} Honda state: {thread1Thread1of1ForFork0_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:24:47,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-07-22 12:24:47,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:47,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:47,649 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) [2022-07-22 12:24:47,650 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 [2022-07-22 12:24:47,653 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:24:47,653 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:47,667 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:24:47,667 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: [] [2022-07-22 12:24:47,689 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 [2022-07-22 12:24:47,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:47,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:47,690 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) [2022-07-22 12:24:47,694 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:24:47,695 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:47,709 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 [2022-07-22 12:24:47,713 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:24:47,713 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: [] [2022-07-22 12:24:47,751 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 [2022-07-22 12:24:47,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:47,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:47,752 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) [2022-07-22 12:24:47,758 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:24:47,758 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:47,769 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 [2022-07-22 12:24:47,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-07-22 12:24:47,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:47,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:47,817 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) [2022-07-22 12:24:47,820 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:24:47,820 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:47,835 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 [2022-07-22 12:24:47,853 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:24:47,853 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter~0=0} Honda state: {~counter~0=0} Generalized eigenvectors: [{~counter~0=-6}, {~counter~0=6}, {~counter~0=1}] Lambdas: [2, 1, 1] Nus: [1, 0] [2022-07-22 12:24:47,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-07-22 12:24:47,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:47,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:47,900 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) [2022-07-22 12:24:47,906 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:24:47,906 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:47,921 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 [2022-07-22 12:24:47,928 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:24:47,928 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: [] [2022-07-22 12:24:47,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-07-22 12:24:47,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:47,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:47,974 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) [2022-07-22 12:24:47,976 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:24:47,976 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:47,987 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 [2022-07-22 12:24:47,996 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:24:47,996 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_#t~post2=0} Honda state: {thread1Thread1of1ForFork0_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:24:48,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-07-22 12:24:48,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:48,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:48,035 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) [2022-07-22 12:24:48,037 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:24:48,037 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:48,052 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 [2022-07-22 12:24:48,059 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:24:48,059 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: [] [2022-07-22 12:24:48,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-07-22 12:24:48,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:48,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:48,100 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) [2022-07-22 12:24:48,102 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:24:48,102 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:48,115 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 [2022-07-22 12:24:48,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-07-22 12:24:48,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:48,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:48,164 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) [2022-07-22 12:24:48,167 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:24:48,167 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:24:48,184 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 [2022-07-22 12:24:48,372 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:24:48,378 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 [2022-07-22 12:24:48,379 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:24:48,379 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:24:48,379 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:24:48,379 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:24:48,379 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:24:48,379 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:48,379 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:24:48,380 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:24:48,380 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-nonblocking-cntr.wvr.c_BEv2_Iteration3_Loop [2022-07-22 12:24:48,380 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:24:48,380 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:24:48,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:48,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:48,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:48,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:48,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:48,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:48,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:48,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:24:48,457 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:24:48,457 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:24:48,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:48,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:48,458 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) [2022-07-22 12:24:48,465 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 [2022-07-22 12:24:48,469 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 [2022-07-22 12:24:48,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:24:48,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:24:48,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:24:48,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:24:48,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:24:48,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:24:48,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:24:48,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-07-22 12:24:48,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:48,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:48,517 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) [2022-07-22 12:24:48,518 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 [2022-07-22 12:24:48,519 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 [2022-07-22 12:24:48,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:24:48,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:24:48,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:24:48,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:24:48,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:24:48,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:24:48,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:24:48,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-07-22 12:24:48,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:48,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:48,590 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) [2022-07-22 12:24:48,592 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 [2022-07-22 12:24:48,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:24:48,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:24:48,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:24:48,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:24:48,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:24:48,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:24:48,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:24:48,604 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 [2022-07-22 12:24:48,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:24:48,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-07-22 12:24:48,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:48,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:48,656 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) [2022-07-22 12:24:48,660 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 [2022-07-22 12:24:48,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:24:48,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:24:48,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:24:48,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:24:48,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:24:48,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:24:48,676 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 [2022-07-22 12:24:48,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:24:48,724 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 [2022-07-22 12:24:48,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:48,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:48,726 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) [2022-07-22 12:24:48,728 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 [2022-07-22 12:24:48,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:24:48,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:24:48,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:24:48,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:24:48,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:24:48,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:24:48,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:24:48,741 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 [2022-07-22 12:24:48,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:24:48,789 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 [2022-07-22 12:24:48,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:48,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:48,791 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) [2022-07-22 12:24:48,797 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 [2022-07-22 12:24:48,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:24:48,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:24:48,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:24:48,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:24:48,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:24:48,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:24:48,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:24:48,811 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 [2022-07-22 12:24:48,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:24:48,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-07-22 12:24:48,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:48,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:48,861 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) [2022-07-22 12:24:48,863 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 [2022-07-22 12:24:48,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:24:48,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:24:48,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:24:48,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:24:48,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:24:48,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:24:48,879 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 [2022-07-22 12:24:48,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:24:48,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-07-22 12:24:48,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:48,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:48,924 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) [2022-07-22 12:24:48,924 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 [2022-07-22 12:24:48,925 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 [2022-07-22 12:24:48,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:24:48,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:24:48,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:24:48,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:24:48,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:24:48,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:24:48,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:24:48,943 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:24:48,948 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:24:48,948 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:24:48,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:24:48,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:24:48,955 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) [2022-07-22 12:24:48,957 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:24:48,957 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:24:48,957 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:24:48,957 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork0_~i~0, ~M~0) = -1*thread1Thread1of1ForFork0_~i~0 + 1*~M~0 Supporting invariants [] [2022-07-22 12:24:48,971 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 [2022-07-22 12:24:48,992 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 [2022-07-22 12:24:48,993 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:24:49,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:24:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:24:49,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:24:49,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:24:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:24:49,036 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:24:49,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:24:49,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:24:49,037 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:24:49,037 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 101 transitions. cyclomatic complexity: 81 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) [2022-07-22 12:24:49,062 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 101 transitions. cyclomatic complexity: 81. 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 47 states and 125 transitions. Complement of second has 3 states. [2022-07-22 12:24:49,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:24:49,063 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) [2022-07-22 12:24:49,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2022-07-22 12:24:49,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 12:24:49,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:24:49,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-22 12:24:49,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:24:49,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-22 12:24:49,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:24:49,065 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 125 transitions. [2022-07-22 12:24:49,068 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 11 [2022-07-22 12:24:49,069 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 125 transitions. [2022-07-22 12:24:49,069 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2022-07-22 12:24:49,070 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2022-07-22 12:24:49,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 125 transitions. [2022-07-22 12:24:49,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:24:49,071 INFO L220 hiAutomatonCegarLoop]: Abstraction has 47 states and 125 transitions. [2022-07-22 12:24:49,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 125 transitions. [2022-07-22 12:24:49,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 38. [2022-07-22 12:24:49,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 2.5526315789473686) internal successors, (97), 37 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:24:49,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 97 transitions. [2022-07-22 12:24:49,077 INFO L242 hiAutomatonCegarLoop]: Abstraction has 38 states and 97 transitions. [2022-07-22 12:24:49,077 INFO L425 stractBuchiCegarLoop]: Abstraction has 38 states and 97 transitions. [2022-07-22 12:24:49,077 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-22 12:24:49,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 97 transitions. [2022-07-22 12:24:49,079 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 11 [2022-07-22 12:24:49,079 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:24:49,079 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:24:49,079 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 12:24:49,080 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:24:49,080 INFO L748 eck$LassoCheckResult]: Stem: 615#[ULTIMATE.startENTRY]don't care [303] ULTIMATE.startENTRY-->L71-3: Formula: (let ((.cse0 (select |v_#memory_int_52| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= |v_ULTIMATE.start_main_~#t1~0#1.offset_45| 0) (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_53| 0)) (= v_~counter~0_65 0) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (= |v_#length_67| (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_55| 4)) (= (select .cse0 1) 0) (< 0 |v_#StackHeapBarrier_22|) (= |v_ULTIMATE.start_main_#t~pre6#1_31| |v_#pthreadsForks_46|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_55|) 0) (= 2 (select |v_#length_68| 1)) (= (store |v_#memory_int_52| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_52| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_45| |v_ULTIMATE.start_main_#t~pre6#1_31|)) |v_#memory_int_51|) (= (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_55| 1) |v_#valid_106|) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (ite (< 0 v_~M~0_52) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_37|) (= (select |v_#length_68| 2) 30) (= (select |v_#valid_107| 0) 0) (= |v_#NULL.offset_8| 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_47| 0) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_53| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_37|) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_55|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_52|, #length=|v_#length_68|} OutVars{~counter~0=v_~counter~0_65, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_47|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_17|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_34|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_29|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_45|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_20|, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_45|, ~M~0=v_~M~0_52, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_53|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, #valid=|v_#valid_106|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_19|, #memory_int=|v_#memory_int_51|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_22|, #length=|v_#length_67|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_55|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_37|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~pre8#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, #NULL.base, #pthreadsForks, ~M~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet5#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~mem11#1, #length, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 617#[L71-3]don't care [225] L71-3-->thread1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork0_thidvar0_2) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_4|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_12, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 623#[L71-4, thread1ENTRY]don't care [287] L71-4-->L72-3: Formula: (and (= |v_#memory_int_31| (store |v_#memory_int_32| |v_ULTIMATE.start_main_~#t2~0#1.base_37| (store (select |v_#memory_int_32| |v_ULTIMATE.start_main_~#t2~0#1.base_37|) |v_ULTIMATE.start_main_~#t2~0#1.offset_29| |v_ULTIMATE.start_main_#t~pre8#1_21|))) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_29| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_37|)) (= |v_ULTIMATE.start_main_#t~pre8#1_21| |v_#pthreadsForks_26|) (= (select |v_#valid_74| |v_ULTIMATE.start_main_~#t2~0#1.base_37|) 1) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_29|) (= |v_#pthreadsForks_25| (+ |v_#pthreadsForks_26| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_29|, #valid=|v_#valid_74|, #memory_int=|v_#memory_int_32|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_37|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_15|, #pthreadsForks=|v_#pthreadsForks_25|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_29|, #valid=|v_#valid_74|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_11|, #memory_int=|v_#memory_int_31|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_21|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_37|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~pre8#1] 625#[thread1ENTRY, L72-3]don't care [228] L72-3-->thread2ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre8#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_12, thread2Thread1of1ForFork1_#t~post4=|v_thread2Thread1of1ForFork1_#t~post4_6|, thread2Thread1of1ForFork1_#t~post3=|v_thread2Thread1of1ForFork1_#t~post3_6|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_~i~1, thread2Thread1of1ForFork1_#t~post4, thread2Thread1of1ForFork1_#t~post3, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 633#[thread1ENTRY, L72-4, thread2ENTRY]don't care [216] thread2ENTRY-->L54-1: Formula: (= v_thread2Thread1of1ForFork1_~i~1_1 0) InVars {} OutVars{thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_~i~1] 599#[thread1ENTRY, L72-4, L54-1]don't care [2022-07-22 12:24:49,081 INFO L750 eck$LassoCheckResult]: Loop: 599#[thread1ENTRY, L72-4, L54-1]don't care [258] L54-1-->L54-1: Formula: (and (< v_thread2Thread1of1ForFork1_~i~1_16 v_~M~0_20) (let ((.cse0 (< 0 v_~counter~0_38))) (or (and (= (+ v_~counter~0_37 1) v_~counter~0_38) .cse0 (= v_thread2Thread1of1ForFork1_~i~1_15 (+ v_thread2Thread1of1ForFork1_~i~1_16 1))) (and (= |v_thread2Thread1of1ForFork1_#t~post3_8| |v_thread2Thread1of1ForFork1_#t~post3_7|) (= v_~counter~0_38 v_~counter~0_37) (= v_thread2Thread1of1ForFork1_~i~1_16 v_thread2Thread1of1ForFork1_~i~1_15) (not .cse0) (= |v_thread2Thread1of1ForFork1_#t~post4_8| |v_thread2Thread1of1ForFork1_#t~post4_7|))))) InVars {~counter~0=v_~counter~0_38, thread2Thread1of1ForFork1_#t~post4=|v_thread2Thread1of1ForFork1_#t~post4_8|, thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_16, thread2Thread1of1ForFork1_#t~post3=|v_thread2Thread1of1ForFork1_#t~post3_8|, ~M~0=v_~M~0_20} OutVars{~counter~0=v_~counter~0_37, thread2Thread1of1ForFork1_#t~post4=|v_thread2Thread1of1ForFork1_#t~post4_7|, thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_15, thread2Thread1of1ForFork1_#t~post3=|v_thread2Thread1of1ForFork1_#t~post3_7|, ~M~0=v_~M~0_20} AuxVars[] AssignedVars[~counter~0, thread2Thread1of1ForFork1_#t~post4, thread2Thread1of1ForFork1_~i~1, thread2Thread1of1ForFork1_#t~post3] 599#[thread1ENTRY, L72-4, L54-1]don't care [2022-07-22 12:24:49,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:24:49,081 INFO L85 PathProgramCache]: Analyzing trace with hash 315442080, now seen corresponding path program 1 times [2022-07-22 12:24:49,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:24:49,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682499870] [2022-07-22 12:24:49,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:24:49,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:24:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:49,095 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:24:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:49,108 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:24:49,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:24:49,108 INFO L85 PathProgramCache]: Analyzing trace with hash 289, now seen corresponding path program 1 times [2022-07-22 12:24:49,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:24:49,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110782506] [2022-07-22 12:24:49,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:24:49,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:24:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:49,114 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:24:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:49,119 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:24:49,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:24:49,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1188770146, now seen corresponding path program 1 times [2022-07-22 12:24:49,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:24:49,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274642506] [2022-07-22 12:24:49,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:24:49,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:24:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:49,133 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:24:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:24:49,182 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:24:49,221 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 [2022-07-22 12:24:49,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-07-22 12:24:49,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 12:24:49 BoogieIcfgContainer [2022-07-22 12:24:49,887 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 12:24:49,888 INFO L158 Benchmark]: Toolchain (without parser) took 9843.34ms. Allocated memory was 151.0MB in the beginning and 194.0MB in the end (delta: 43.0MB). Free memory was 125.1MB in the beginning and 126.0MB in the end (delta: -878.6kB). Peak memory consumption was 108.9MB. Max. memory is 8.0GB. [2022-07-22 12:24:49,888 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 151.0MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:24:49,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.66ms. Allocated memory is still 151.0MB. Free memory was 124.9MB in the beginning and 114.8MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-07-22 12:24:49,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.65ms. Allocated memory is still 151.0MB. Free memory was 114.6MB in the beginning and 113.2MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-22 12:24:49,890 INFO L158 Benchmark]: Boogie Preprocessor took 29.45ms. Allocated memory is still 151.0MB. Free memory was 113.0MB in the beginning and 111.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-22 12:24:49,890 INFO L158 Benchmark]: RCFGBuilder took 622.39ms. Allocated memory is still 151.0MB. Free memory was 111.9MB in the beginning and 98.8MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-07-22 12:24:49,891 INFO L158 Benchmark]: BuchiAutomizer took 8844.99ms. Allocated memory was 151.0MB in the beginning and 194.0MB in the end (delta: 43.0MB). Free memory was 98.8MB in the beginning and 126.0MB in the end (delta: -27.1MB). Peak memory consumption was 82.7MB. Max. memory is 8.0GB. [2022-07-22 12:24:49,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 151.0MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 291.66ms. Allocated memory is still 151.0MB. Free memory was 124.9MB in the beginning and 114.8MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.65ms. Allocated memory is still 151.0MB. Free memory was 114.6MB in the beginning and 113.2MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.45ms. Allocated memory is still 151.0MB. Free memory was 113.0MB in the beginning and 111.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 622.39ms. Allocated memory is still 151.0MB. Free memory was 111.9MB in the beginning and 98.8MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 8844.99ms. Allocated memory was 151.0MB in the beginning and 194.0MB in the end (delta: 43.0MB). Free memory was 98.8MB in the beginning and 126.0MB in the end (delta: -27.1MB). Peak memory consumption was 82.7MB. 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 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * i + M and consists of 2 locations. One deterministic module has affine ranking function -1 * i + M and consists of 2 locations. One deterministic module has affine ranking function -1 * i + M and consists of 2 locations. The remainder module has 38 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 27 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 8 mSDtfsCounter, 55 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax260 hnf100 lsp25 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.4s InitialAbstractionConstructionTime: 2.6s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 52]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {\old(cond)=1, \result={0:0}, \result=0, \result={0:0}, cond=1, counter=0, i=0, i=0, M=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47cc5363 in0,168, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c2dffef in0,0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@784c8471=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@28ebadd7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@5a796505=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@1edafb55=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@3766257f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@672eeafe=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@6a763865=0, t1={22889:0}, t2={22888:0}} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 52]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L38] 0 int M, counter; [L65] 0 pthread_t t1, t2; [L67] 0 M = __VERIFIER_nondet_int() [L68] CALL 0 assume_abort_if_not(M > 0) [L35] COND FALSE 0 !(!cond) [L68] RET 0 assume_abort_if_not(M > 0) [L71] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) [L72] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) [L51] 2 int i = 0; Loop: [L52] COND TRUE i < M [L54] COND TRUE counter > 0 [L55] counter-- [L56] i++ End of lasso representation. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 79 PlacesBefore, 20 PlacesAfterwards, 78 TransitionsBefore, 15 TransitionsAfterwards, 404 CoEnabledTransitionPairs, 6 FixpointIterations, 45 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 4 ConcurrentYvCompositions, 4 ChoiceCompositions, 75 TotalNumberOfCompositions, 414 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 408, positive: 407, positive conditional: 0, positive unconditional: 407, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 276, positive: 275, positive conditional: 0, positive unconditional: 275, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 276, positive: 275, positive conditional: 0, positive unconditional: 275, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 408, positive: 132, positive conditional: 0, positive unconditional: 132, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 276, unknown conditional: 0, unknown unconditional: 276] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be incorrect! [2022-07-22 12:24:49,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...