/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/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.fairness.type.for.concurrent.programs FAIRNESS_LAZY -i ../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.me.fairness-42053ae-m [2023-09-17 12:07:33,933 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-09-17 12:07:34,020 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2023-09-17 12:07:34,053 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-17 12:07:34,054 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-17 12:07:34,055 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-17 12:07:34,056 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-17 12:07:34,056 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-09-17 12:07:34,057 INFO L137 SettingsManager]: * Use SBE=true [2023-09-17 12:07:34,061 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-09-17 12:07:34,061 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-09-17 12:07:34,061 INFO L137 SettingsManager]: * Use old map elimination=false [2023-09-17 12:07:34,062 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-09-17 12:07:34,063 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-09-17 12:07:34,063 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-09-17 12:07:34,063 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-17 12:07:34,064 INFO L137 SettingsManager]: * sizeof long=4 [2023-09-17 12:07:34,064 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-17 12:07:34,064 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-17 12:07:34,064 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-09-17 12:07:34,065 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-09-17 12:07:34,065 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-09-17 12:07:34,067 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-09-17 12:07:34,067 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-09-17 12:07:34,067 INFO L137 SettingsManager]: * sizeof long double=12 [2023-09-17 12:07:34,067 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-09-17 12:07:34,068 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-09-17 12:07:34,068 INFO L137 SettingsManager]: * Use constant arrays=true [2023-09-17 12:07:34,068 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-09-17 12:07:34,068 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-17 12:07:34,069 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-17 12:07:34,070 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-17 12:07:34,070 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-17 12:07:34,070 INFO L137 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-17 12:07:34,072 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-09-17 12:07:34,072 INFO L137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Fairness type for concurrent programs -> FAIRNESS_LAZY [2023-09-17 12:07:34,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-17 12:07:34,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-17 12:07:34,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-17 12:07:34,379 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-17 12:07:34,381 INFO L274 PluginConnector]: CDTParser initialized [2023-09-17 12:07:34,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-09-17 12:07:35,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-17 12:07:35,836 INFO L384 CDTParser]: Found 1 translation units. [2023-09-17 12:07:35,837 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-09-17 12:07:35,844 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc48f4681/c957670c9e7e43d7bd170bb9f2e44b67/FLAG453455b03 [2023-09-17 12:07:35,862 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc48f4681/c957670c9e7e43d7bd170bb9f2e44b67 [2023-09-17 12:07:35,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-17 12:07:35,867 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-17 12:07:35,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-17 12:07:35,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-17 12:07:35,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-17 12:07:35,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 12:07:35" (1/1) ... [2023-09-17 12:07:35,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd63854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 12:07:35, skipping insertion in model container [2023-09-17 12:07:35,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 12:07:35" (1/1) ... [2023-09-17 12:07:35,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-17 12:07:35,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-17 12:07:36,087 WARN L247 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-alt.wvr.c[2052,2065] [2023-09-17 12:07:36,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-17 12:07:36,099 INFO L203 MainTranslator]: Completed pre-run [2023-09-17 12:07:36,127 WARN L247 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-alt.wvr.c[2052,2065] [2023-09-17 12:07:36,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-17 12:07:36,135 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-17 12:07:36,136 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-17 12:07:36,142 INFO L208 MainTranslator]: Completed translation [2023-09-17 12:07:36,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 12:07:36 WrapperNode [2023-09-17 12:07:36,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-17 12:07:36,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-17 12:07:36,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-17 12:07:36,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-17 12:07:36,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 12:07:36" (1/1) ... [2023-09-17 12:07:36,161 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 12:07:36" (1/1) ... [2023-09-17 12:07:36,179 INFO L138 Inliner]: procedures = 21, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2023-09-17 12:07:36,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-17 12:07:36,181 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-17 12:07:36,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-17 12:07:36,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-17 12:07:36,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 12:07:36" (1/1) ... [2023-09-17 12:07:36,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 12:07:36" (1/1) ... [2023-09-17 12:07:36,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 12:07:36" (1/1) ... [2023-09-17 12:07:36,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 12:07:36" (1/1) ... [2023-09-17 12:07:36,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 12:07:36" (1/1) ... [2023-09-17 12:07:36,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 12:07:36" (1/1) ... [2023-09-17 12:07:36,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 12:07:36" (1/1) ... [2023-09-17 12:07:36,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 12:07:36" (1/1) ... [2023-09-17 12:07:36,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-17 12:07:36,215 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-17 12:07:36,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-17 12:07:36,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-17 12:07:36,216 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 12:07:36" (1/1) ... [2023-09-17 12:07:36,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 12:07:36,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 12:07:36,246 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) [2023-09-17 12:07:36,256 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 [2023-09-17 12:07:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-17 12:07:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-17 12:07:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-17 12:07:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-17 12:07:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-17 12:07:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-17 12:07:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-17 12:07:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-17 12:07:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-17 12:07:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-17 12:07:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-17 12:07:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-17 12:07:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-17 12:07:36,287 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-17 12:07:36,382 INFO L236 CfgBuilder]: Building ICFG [2023-09-17 12:07:36,386 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-17 12:07:36,585 INFO L277 CfgBuilder]: Performing block encoding [2023-09-17 12:07:36,641 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-17 12:07:36,642 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-09-17 12:07:36,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 12:07:36 BoogieIcfgContainer [2023-09-17 12:07:36,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-17 12:07:36,646 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-09-17 12:07:36,646 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-09-17 12:07:36,649 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-09-17 12:07:36,650 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-09-17 12:07:36,650 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.09 12:07:35" (1/3) ... [2023-09-17 12:07:36,651 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76b536df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.09 12:07:36, skipping insertion in model container [2023-09-17 12:07:36,651 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-09-17 12:07:36,652 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 12:07:36" (2/3) ... [2023-09-17 12:07:36,652 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76b536df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.09 12:07:36, skipping insertion in model container [2023-09-17 12:07:36,652 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-09-17 12:07:36,652 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 12:07:36" (3/3) ... [2023-09-17 12:07:36,654 INFO L332 chiAutomizerObserver]: Analyzing ICFG popl20-nonblocking-cntr-alt.wvr.c [2023-09-17 12:07:36,712 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-17 12:07:36,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 72 places, 73 transitions, 156 flow [2023-09-17 12:07:36,775 INFO L124 PetriNetUnfolderBase]: 6/69 cut-off events. [2023-09-17 12:07:36,776 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-09-17 12:07:36,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 69 events. 6/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 39 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2023-09-17 12:07:36,782 INFO L82 GeneralOperation]: Start removeDead. Operand has 72 places, 73 transitions, 156 flow [2023-09-17 12:07:36,790 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 70 places, 69 transitions, 144 flow [2023-09-17 12:07:36,804 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-09-17 12:07:36,804 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-09-17 12:07:36,804 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-09-17 12:07:36,804 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-09-17 12:07:36,805 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-09-17 12:07:36,805 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-09-17 12:07:36,805 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-09-17 12:07:36,805 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-09-17 12:07:36,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand null [2023-09-17 12:07:37,922 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 37 [2023-09-17 12:07:37,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-09-17 12:07:37,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-09-17 12:07:37,932 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-17 12:07:37,932 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-09-17 12:07:37,932 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-09-17 12:07:37,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand null [2023-09-17 12:07:38,740 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 37 [2023-09-17 12:07:38,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-09-17 12:07:38,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-09-17 12:07:38,746 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-17 12:07:38,747 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-09-17 12:07:38,754 INFO L748 eck$LassoCheckResult]: Stem: SleepPredicate [underlying: 75#[$Ultimate##0]don't care, sleep set: []] [151] $Ultimate##0-->L-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] SleepPredicate [underlying: 78#[L-1]don't care, sleep set: []] [157] L-1-->L-1-1: Formula: (= (select |v_#valid_1| 0) 0) InVars {#valid=|v_#valid_1|} OutVars{#valid=|v_#valid_1|} AuxVars[] AssignedVars[] SleepPredicate [underlying: 80#[L-1-1]don't care, sleep set: []] [173] L-1-1-->L21: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] SleepPredicate [underlying: 82#[L21]don't care, sleep set: []] [150] L21-->L21-1: Formula: (and (= (select |v_#valid_2| 1) 1) (= 2 (select |v_#length_1| 1))) InVars {#length=|v_#length_1|, #valid=|v_#valid_2|} OutVars{#length=|v_#length_1|, #valid=|v_#valid_2|} AuxVars[] AssignedVars[] SleepPredicate [underlying: 84#[L21-1]don't care, sleep set: []] [166] L21-1-->L21-2: Formula: (= 48 (select (select |v_#memory_int_1| 1) 0)) InVars {#memory_int=|v_#memory_int_1|} OutVars{#memory_int=|v_#memory_int_1|} AuxVars[] AssignedVars[] SleepPredicate [underlying: 86#[L21-2]don't care, sleep set: []] [165] L21-2-->L21-3: Formula: (= (select (select |v_#memory_int_2| 1) 1) 0) InVars {#memory_int=|v_#memory_int_2|} OutVars{#memory_int=|v_#memory_int_2|} AuxVars[] AssignedVars[] SleepPredicate [underlying: 88#[L21-3]don't care, sleep set: []] [138] L21-3-->L21-4: Formula: (and (= 34 (select |v_#length_2| 2)) (= (select |v_#valid_3| 2) 1)) InVars {#length=|v_#length_2|, #valid=|v_#valid_3|} OutVars{#length=|v_#length_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[] SleepPredicate [underlying: 90#[L21-4]don't care, sleep set: []] [183] L21-4-->L38: Formula: (= 0 v_~M1~0_3) InVars {} OutVars{~M1~0=v_~M1~0_3} AuxVars[] AssignedVars[~M1~0] SleepPredicate [underlying: 92#[L38]don't care, sleep set: []] [184] L38-->L38-1: Formula: (= 0 v_~M2~0_3) InVars {} OutVars{~M2~0=v_~M2~0_3} AuxVars[] AssignedVars[~M2~0] SleepPredicate [underlying: 94#[L38-1]don't care, sleep set: []] [141] L38-1-->L-1-2: Formula: (= v_~counter~0_7 0) InVars {} OutVars{~counter~0=v_~counter~0_7} AuxVars[] AssignedVars[~counter~0] SleepPredicate [underlying: 96#[L-1-2]don't care, sleep set: []] [174] L-1-2-->L-1-3: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] SleepPredicate [underlying: 98#[L-1-3]don't care, sleep set: []] [179] L-1-3-->L65: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_1|, ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_1|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_1|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_1|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_1|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] SleepPredicate [underlying: 100#[L65]don't care, sleep set: []] [186] L65-->L65-1: Formula: (and (= |v_ULTIMATE.start_main_~#t1~0#1.offset_2| 0) (= (select |v_#valid_5| |v_ULTIMATE.start_main_~#t1~0#1.base_2|) 0) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t1~0#1.base_2|) (= |v_#length_3| (store |v_#length_4| |v_ULTIMATE.start_main_~#t1~0#1.base_2| 4)) (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_2| 0)) (= (store |v_#valid_5| |v_ULTIMATE.start_main_~#t1~0#1.base_2| 1) |v_#valid_4|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_4|, #valid=|v_#valid_5|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_2|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_2|, #valid=|v_#valid_4|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] SleepPredicate [underlying: 102#[L65-1]don't care, sleep set: []] [170] L65-1-->L65-2: Formula: (and (= |v_#length_5| (store |v_#length_6| |v_ULTIMATE.start_main_~#t2~0#1.base_2| 4)) (= (select |v_#valid_7| |v_ULTIMATE.start_main_~#t2~0#1.base_2|) 0) (= (store |v_#valid_7| |v_ULTIMATE.start_main_~#t2~0#1.base_2| 1) |v_#valid_6|) (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_2| 0)) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_2|) (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#t2~0#1.base_2|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_6|, #valid=|v_#valid_7|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_5|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_2|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_2|, #valid=|v_#valid_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] SleepPredicate [underlying: 104#[L65-2]don't care, sleep set: []] [156] L65-2-->L67: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5#1] SleepPredicate [underlying: 106#[L67]don't care, sleep set: []] [169] L67-->L67-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet5#1_3| v_~M1~0_4) InVars {ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_3|} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_3|, ~M1~0=v_~M1~0_4} AuxVars[] AssignedVars[~M1~0] SleepPredicate [underlying: 108#[L67-1]don't care, sleep set: []] [145] L67-1-->L68: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5#1] SleepPredicate [underlying: 110#[L68]don't care, sleep set: []] [172] L68-->L68-1: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet6#1] SleepPredicate [underlying: 112#[L68-1]don't care, sleep set: []] [143] L68-1-->L68-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet6#1_3| v_~M2~0_4) InVars {ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_3|} OutVars{~M2~0=v_~M2~0_4, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_3|} AuxVars[] AssignedVars[~M2~0] SleepPredicate [underlying: 114#[L68-2]don't care, sleep set: []] [129] L68-2-->L69: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet6#1] SleepPredicate [underlying: 116#[L69]don't care, sleep set: []] [133] L69-->L69-1: Formula: (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_1| (ite (and (< 0 v_~M2~0_5) (< 0 v_~M1~0_5)) 1 0)) InVars {~M2~0=v_~M2~0_5, ~M1~0=v_~M1~0_5} OutVars{~M1~0=v_~M1~0_5, ~M2~0=v_~M2~0_5, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond#1] SleepPredicate [underlying: 118#[L69-1]don't care, sleep set: []] [175] L69-1-->L34: Formula: true InVars {} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1] SleepPredicate [underlying: 120#[L34]don't care, sleep set: []] [147] L34-->L35: Formula: (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_2| |v_ULTIMATE.start_assume_abort_if_not_~cond#1_2|) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_2|} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_2|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1] SleepPredicate [underlying: 122#[L35]don't care, sleep set: []] [168] L35-->L34-1: Formula: (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_4| 0)) InVars {ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_4|} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_4|} AuxVars[] AssignedVars[] SleepPredicate [underlying: 126#[L34-1]don't care, sleep set: []] [163] L34-1-->L72: Formula: (= |v_ULTIMATE.start_main_#t~pre7#1_2| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre7#1] SleepPredicate [underlying: 128#[L72]don't care, sleep set: []] [185] L72-->L72-1: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] SleepPredicate [underlying: 130#[L72-1]don't care, sleep set: []] [119] L72-1-->L72-2: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_3|) (= (select |v_#valid_8| |v_ULTIMATE.start_main_~#t1~0#1.base_3|) 1) (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_3| 4) (select |v_#length_7| |v_ULTIMATE.start_main_~#t1~0#1.base_3|)) (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t1~0#1.base_3| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t1~0#1.base_3|) |v_ULTIMATE.start_main_~#t1~0#1.offset_3| |v_ULTIMATE.start_main_#t~pre7#1_3|)) |v_#memory_int_3|)) InVars {#valid=|v_#valid_8|, #memory_int=|v_#memory_int_4|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_3|, #length=|v_#length_7|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_3|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_3|} OutVars{#valid=|v_#valid_8|, #memory_int=|v_#memory_int_3|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_3|, #length=|v_#length_7|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_3|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_3|} AuxVars[] AssignedVars[#memory_int] SleepPredicate [underlying: 132#[L72-2]don't care, sleep set: []] [207] L72-2-->$Ultimate##0: Formula: (and (= |v_ULTIMATE.start_main_#t~pre7#1_6| v_thread1Thread1of1ForFork0_thidvar0_2) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|} OutVars{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, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] SleepPredicate [underlying: 134#[L72-3, $Ultimate##0]don't care, sleep set: []] [161] L72-3-->L72-4: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre7#1] SleepPredicate [underlying: 136#[$Ultimate##0, L72-4]don't care, sleep set: [thread1Thread1of1ForFork0]] [176] L72-4-->L73: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet8#1] SleepPredicate [underlying: 140#[$Ultimate##0, L73]don't care, sleep set: [thread1Thread1of1ForFork0]] [152] L73-->L73-1: Formula: (= |v_ULTIMATE.start_main_#t~pre9#1_2| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre9#1] SleepPredicate [underlying: 148#[L73-1, $Ultimate##0]don't care, sleep set: [thread1Thread1of1ForFork0]] [162] L73-1-->L73-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] SleepPredicate [underlying: 160#[$Ultimate##0, L73-2]don't care, sleep set: [thread1Thread1of1ForFork0]] [153] L73-2-->L73-3: Formula: (and (<= (+ 4 |v_ULTIMATE.start_main_~#t2~0#1.offset_3|) (select |v_#length_8| |v_ULTIMATE.start_main_~#t2~0#1.base_3|)) (= (select |v_#valid_9| |v_ULTIMATE.start_main_~#t2~0#1.base_3|) 1) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_3|) (= (store |v_#memory_int_6| |v_ULTIMATE.start_main_~#t2~0#1.base_3| (store (select |v_#memory_int_6| |v_ULTIMATE.start_main_~#t2~0#1.base_3|) |v_ULTIMATE.start_main_~#t2~0#1.offset_3| |v_ULTIMATE.start_main_#t~pre9#1_3|)) |v_#memory_int_5|)) InVars {ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_3|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_3|, #valid=|v_#valid_9|, #memory_int=|v_#memory_int_6|, #length=|v_#length_8|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_3|} OutVars{ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_3|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_3|, #valid=|v_#valid_9|, #memory_int=|v_#memory_int_5|, #length=|v_#length_8|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_3|} AuxVars[] AssignedVars[#memory_int] SleepPredicate [underlying: 176#[$Ultimate##0, L73-3]don't care, sleep set: [thread1Thread1of1ForFork0]] [210] L73-3-->$Ultimate##0: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre9#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#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|, ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_6|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, 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] SleepPredicate [underlying: 196#[$Ultimate##0, L73-4, $Ultimate##0]don't care, sleep set: [thread1Thread1of1ForFork0]] [155] L73-4-->L73-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre9#1] SleepPredicate [underlying: 218#[L73-5, $Ultimate##0, $Ultimate##0]don't care, sleep set: [thread1Thread1of1ForFork0]] [154] L73-5-->L75: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] SleepPredicate [underlying: 244#[$Ultimate##0, L75, $Ultimate##0]don't care, sleep set: [thread1Thread1of1ForFork0]] [177] L75-->L75-1: Formula: (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_3| (ite (not (= (+ v_~counter~0_8 v_~M2~0_6) v_~M1~0_6)) 1 0)) InVars {~counter~0=v_~counter~0_8, ~M1~0=v_~M1~0_6, ~M2~0=v_~M2~0_6} OutVars{~counter~0=v_~counter~0_8, ~M1~0=v_~M1~0_6, ~M2~0=v_~M2~0_6, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond#1] SleepPredicate [underlying: 282#[$Ultimate##0, L75-1, $Ultimate##0]don't care, sleep set: [thread1Thread1of1ForFork0]] [149] L75-1-->L34-2: Formula: true InVars {} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_5|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1] SleepPredicate [underlying: 334#[$Ultimate##0, L34-2, $Ultimate##0]don't care, sleep set: [thread1Thread1of1ForFork0]] [158] L34-2-->L35-3: Formula: (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_4| |v_ULTIMATE.start_assume_abort_if_not_~cond#1_6|) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_4|} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_6|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1] SleepPredicate [underlying: 404#[$Ultimate##0, L35-3, $Ultimate##0]don't care, sleep set: [thread1Thread1of1ForFork0]] [131] L35-3-->L34-3: Formula: (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_8| 0)) InVars {ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_8|} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_8|} AuxVars[] AssignedVars[] SleepPredicate [underlying: 494#[$Ultimate##0, L34-3, $Ultimate##0]don't care, sleep set: [thread1Thread1of1ForFork0]] [136] L34-3-->L78: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] SleepPredicate [underlying: 598#[$Ultimate##0, L78, $Ultimate##0]don't care, sleep set: [thread1Thread1of1ForFork0]] [142] L78-->L65-3: Formula: (= |v_ULTIMATE.start_main_#res#1_2| 0) InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] SleepPredicate [underlying: 714#[L65-3, $Ultimate##0, $Ultimate##0]don't care, sleep set: [thread1Thread1of1ForFork0]] [198] $Ultimate##0-->L54-1: Formula: (= v_thread2Thread1of1ForFork1_~i~1_1 0) InVars {} OutVars{thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_~i~1] SleepPredicate [underlying: 836#[L54-1, $Ultimate##0, L65-3]don't care, sleep set: [thread1Thread1of1ForFork0]] [121] L65-3-->L65-4: Formula: (= (store |v_#valid_11| |v_ULTIMATE.start_main_~#t1~0#1.base_4| 0) |v_#valid_10|) InVars {ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_4|, #valid=|v_#valid_11|} OutVars{ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_4|, #valid=|v_#valid_10|} AuxVars[] AssignedVars[#valid] SleepPredicate [underlying: 968#[L54-1, L65-4, $Ultimate##0]don't care, sleep set: [thread1Thread1of1ForFork0]] [139] L65-4-->L65-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_5|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] SleepPredicate [underlying: 1098#[L54-1, L65-5, $Ultimate##0]don't care, sleep set: [thread1Thread1of1ForFork0]] [144] L65-5-->L65-6: Formula: (= |v_#valid_12| (store |v_#valid_13| |v_ULTIMATE.start_main_~#t2~0#1.base_4| 0)) InVars {ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_4|, #valid=|v_#valid_13|} OutVars{ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_4|, #valid=|v_#valid_12|} AuxVars[] AssignedVars[#valid] SleepPredicate [underlying: 1226#[L54-1, L65-6, $Ultimate##0]don't care, sleep set: [thread1Thread1of1ForFork0]] [140] L65-6-->main_returnLabel#1: Formula: true InVars {} OutVars{ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_5|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] SleepPredicate [underlying: 1346#[main_returnLabel#1, L54-1, $Ultimate##0]don't care, sleep set: [thread1Thread1of1ForFork0]] [178] main_returnLabel#1-->ULTIMATE.startFINAL: Formula: (= |v_ULTIMATE.start_main_#res#1_3| |v_ULTIMATE.start_#t~ret11#1_1|) InVars {ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} OutVars{ULTIMATE.start_#t~ret11#1=|v_ULTIMATE.start_#t~ret11#1_1|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_#t~ret11#1] SleepPredicate [underlying: 1460#[L54-1, ULTIMATE.startFINAL, $Ultimate##0]don't care, sleep set: [thread1Thread1of1ForFork0]] [187] ULTIMATE.startFINAL-->ULTIMATE.startEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] SleepPredicate [underlying: 1570#[ULTIMATE.startEXIT, L54-1, $Ultimate##0]don't care, sleep set: [thread1Thread1of1ForFork0]] [188] $Ultimate##0-->L41-4: Formula: (= v_thread1Thread1of1ForFork0_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_~i~0] SleepPredicate [underlying: 1664#[ULTIMATE.startEXIT, L41-4, L54-1]don't care, sleep set: []] [2023-09-17 12:07:38,755 INFO L750 eck$LassoCheckResult]: Loop: SleepPredicate [underlying: 1664#[ULTIMATE.startEXIT, L41-4, L54-1]don't care, sleep set: []] [199] L54-1-->L53: Formula: (< v_thread2Thread1of1ForFork1_~i~1_3 v_~M2~0_2) InVars {~M2~0=v_~M2~0_2, thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_3} OutVars{~M2~0=v_~M2~0_2, thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_3} AuxVars[] AssignedVars[] SleepPredicate [underlying: 1754#[ULTIMATE.startEXIT, L41-4, L53]don't care, sleep set: [thread1Thread1of1ForFork0]] [189] L41-4-->L42: Formula: (< v_thread1Thread1of1ForFork0_~i~0_3 v_~M1~0_2) InVars {thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3, ~M1~0=v_~M1~0_2} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3, ~M1~0=v_~M1~0_2} AuxVars[] AssignedVars[] SleepPredicate [underlying: 1800#[ULTIMATE.startEXIT, L53, L42]don't care, sleep set: []] [192] L42-->L44: Formula: (= (+ v_~counter~0_26 1) v_~counter~0_25) InVars {~counter~0=v_~counter~0_26} OutVars{~counter~0=v_~counter~0_25, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_1|} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork0_#t~post2] SleepPredicate [underlying: 1866#[L44, ULTIMATE.startEXIT, L53]don't care, sleep set: [thread2Thread1of1ForFork1]] [194] L44-->L41-2: Formula: (= v_thread1Thread1of1ForFork0_~i~0_7 |v_thread1Thread1of1ForFork0_#t~post1_1|) InVars {thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_7} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_7, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_1|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1] SleepPredicate [underlying: 1912#[L41-2, ULTIMATE.startEXIT, L53]don't care, sleep set: [thread2Thread1of1ForFork1]] [196] L41-2-->L41-3: Formula: (= v_thread1Thread1of1ForFork0_~i~0_9 (+ |v_thread1Thread1of1ForFork0_#t~post1_3| 1)) InVars {thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_3|} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_9, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_3|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_~i~0] SleepPredicate [underlying: 1940#[ULTIMATE.startEXIT, L53, L41-3]don't care, sleep set: [thread2Thread1of1ForFork1]] [197] L41-3-->L41-4: Formula: true InVars {} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_5|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1] SleepPredicate [underlying: 1754#[ULTIMATE.startEXIT, L41-4, L53]don't care, sleep set: [thread2Thread1of1ForFork1]] [202] L53-->L54-1: Formula: (or (and (= v_~counter~0_Out_2 v_~counter~0_In_1) (= v_thread2Thread1of1ForFork1_~i~1_8 v_thread2Thread1of1ForFork1_~i~1_7) (= |v_thread2Thread1of1ForFork1_#t~post3_1| |v_thread2Thread1of1ForFork1_#t~post3_2|) (= |v_thread2Thread1of1ForFork1_#t~post4_2| |v_thread2Thread1of1ForFork1_#t~post4_1|) (<= v_~counter~0_In_1 0)) (and (< 0 v_~counter~0_In_1) (= v_~counter~0_In_1 (+ v_~counter~0_Out_2 1)) (= (+ v_thread2Thread1of1ForFork1_~i~1_7 1) v_thread2Thread1of1ForFork1_~i~1_8))) InVars {~counter~0=v_~counter~0_In_1, thread2Thread1of1ForFork1_#t~post4=|v_thread2Thread1of1ForFork1_#t~post4_1|, thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_7, thread2Thread1of1ForFork1_#t~post3=|v_thread2Thread1of1ForFork1_#t~post3_1|} OutVars{~counter~0=v_~counter~0_Out_2, thread2Thread1of1ForFork1_#t~post4=|v_thread2Thread1of1ForFork1_#t~post4_2|, thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_8, thread2Thread1of1ForFork1_#t~post3=|v_thread2Thread1of1ForFork1_#t~post3_2|} AuxVars[] AssignedVars[~counter~0, thread2Thread1of1ForFork1_#t~post4, thread2Thread1of1ForFork1_~i~1, thread2Thread1of1ForFork1_#t~post3] SleepPredicate [underlying: 1664#[ULTIMATE.startEXIT, L41-4, L54-1]don't care, sleep set: []] [2023-09-17 12:07:38,760 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-17 12:07:38,761 INFO L85 PathProgramCache]: Analyzing trace with hash -412696532, now seen corresponding path program 1 times [2023-09-17 12:07:38,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-17 12:07:38,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218225286] [2023-09-17 12:07:38,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-17 12:07:38,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-17 12:07:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-17 12:07:38,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-17 12:07:38,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-17 12:07:38,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218225286] [2023-09-17 12:07:38,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218225286] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-17 12:07:38,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-17 12:07:38,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-17 12:07:38,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985327219] [2023-09-17 12:07:38,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-17 12:07:38,999 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-09-17 12:07:39,000 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-17 12:07:39,000 INFO L85 PathProgramCache]: Analyzing trace with hash -733351184, now seen corresponding path program 1 times [2023-09-17 12:07:39,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-17 12:07:39,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219602566] [2023-09-17 12:07:39,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-17 12:07:39,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-17 12:07:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-17 12:07:39,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-17 12:07:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-17 12:07:39,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-17 12:07:39,254 INFO L210 LassoAnalysis]: Preferences: [2023-09-17 12:07:39,255 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-09-17 12:07:39,255 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-09-17 12:07:39,255 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-09-17 12:07:39,256 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-09-17 12:07:39,256 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 12:07:39,256 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-09-17 12:07:39,256 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-09-17 12:07:39,257 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-nonblocking-cntr-alt.wvr.c_BEv2_Iteration1_Loop [2023-09-17 12:07:39,257 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-09-17 12:07:39,257 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-09-17 12:07:39,282 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 12:07:39,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 12:07:39,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 12:07:39,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 12:07:39,306 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 12:07:39,312 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 12:07:39,316 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 12:07:39,323 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 12:07:39,512 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-09-17 12:07:39,624 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-09-17 12:07:39,625 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-09-17 12:07:39,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 12:07:39,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 12:07:39,633 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) [2023-09-17 12:07:39,649 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 12:07:39,649 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 12:07:39,670 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 [2023-09-17 12:07:39,680 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-09-17 12:07:39,680 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: [] [2023-09-17 12:07:39,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-09-17 12:07:39,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 12:07:39,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 12:07:39,689 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) [2023-09-17 12:07:39,698 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 12:07:39,699 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 12:07:39,701 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 [2023-09-17 12:07:39,713 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-09-17 12:07:39,714 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_#t~post1=0} Honda state: {thread1Thread1of1ForFork0_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-09-17 12:07:39,718 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 [2023-09-17 12:07:39,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 12:07:39,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 12:07:39,721 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) [2023-09-17 12:07:39,734 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 [2023-09-17 12:07:39,735 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 12:07:39,736 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 12:07:39,752 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-09-17 12:07:39,752 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_1=-1} Honda state: {v_rep#funAddr~thread1.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-09-17 12:07:39,760 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 [2023-09-17 12:07:39,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 12:07:39,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 12:07:39,763 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) [2023-09-17 12:07:39,775 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 [2023-09-17 12:07:39,776 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 12:07:39,776 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 12:07:39,797 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-09-17 12:07:39,798 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_#t~post2=0} Honda state: {thread1Thread1of1ForFork0_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-09-17 12:07:39,806 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 [2023-09-17 12:07:39,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 12:07:39,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 12:07:39,809 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) [2023-09-17 12:07:39,812 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 [2023-09-17 12:07:39,814 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 12:07:39,814 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 12:07:39,837 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-09-17 12:07:39,838 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_1=0} Honda state: {v_rep#funAddr~thread1.offset_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-09-17 12:07:39,849 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 [2023-09-17 12:07:39,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 12:07:39,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 12:07:39,852 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) [2023-09-17 12:07:39,854 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 [2023-09-17 12:07:39,857 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 12:07:39,857 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 12:07:39,872 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-09-17 12:07:39,873 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_1=-1} Honda state: {v_rep#funAddr~thread2.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-09-17 12:07:39,877 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 [2023-09-17 12:07:39,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 12:07:39,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 12:07:39,879 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) [2023-09-17 12:07:39,883 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 [2023-09-17 12:07:39,885 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 12:07:39,885 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 12:07:39,915 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 [2023-09-17 12:07:39,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 12:07:39,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 12:07:39,917 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) [2023-09-17 12:07:39,918 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 [2023-09-17 12:07:39,921 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-09-17 12:07:39,921 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 12:07:40,033 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-09-17 12:07:40,039 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 [2023-09-17 12:07:40,039 INFO L210 LassoAnalysis]: Preferences: [2023-09-17 12:07:40,039 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-09-17 12:07:40,039 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-09-17 12:07:40,040 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-09-17 12:07:40,040 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-09-17 12:07:40,040 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 12:07:40,040 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-09-17 12:07:40,040 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-09-17 12:07:40,040 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-nonblocking-cntr-alt.wvr.c_BEv2_Iteration1_Loop [2023-09-17 12:07:40,040 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-09-17 12:07:40,040 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-09-17 12:07:40,043 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 12:07:40,046 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 12:07:40,048 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 12:07:40,050 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 12:07:40,052 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 12:07:40,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 12:07:40,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 12:07:40,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 12:07:40,219 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-09-17 12:07:40,325 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-09-17 12:07:40,330 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-09-17 12:07:40,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 12:07:40,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 12:07:40,333 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) [2023-09-17 12:07:40,342 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 [2023-09-17 12:07:40,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 12:07:40,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 12:07:40,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 12:07:40,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 12:07:40,353 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 [2023-09-17 12:07:40,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-09-17 12:07:40,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-09-17 12:07:40,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-09-17 12:07:40,383 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 [2023-09-17 12:07:40,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 12:07:40,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 12:07:40,384 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) [2023-09-17 12:07:40,386 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 [2023-09-17 12:07:40,388 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 [2023-09-17 12:07:40,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 12:07:40,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 12:07:40,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 12:07:40,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 12:07:40,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-09-17 12:07:40,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-09-17 12:07:40,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-09-17 12:07:40,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-09-17 12:07:40,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 12:07:40,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 12:07:40,425 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) [2023-09-17 12:07:40,428 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 [2023-09-17 12:07:40,430 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 [2023-09-17 12:07:40,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 12:07:40,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-09-17 12:07:40,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 12:07:40,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 12:07:40,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 12:07:40,442 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-09-17 12:07:40,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-09-17 12:07:40,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-09-17 12:07:40,460 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 [2023-09-17 12:07:40,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 12:07:40,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 12:07:40,461 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) [2023-09-17 12:07:40,463 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 [2023-09-17 12:07:40,465 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 [2023-09-17 12:07:40,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 12:07:40,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 12:07:40,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 12:07:40,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 12:07:40,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-09-17 12:07:40,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-09-17 12:07:40,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-09-17 12:07:40,503 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 [2023-09-17 12:07:40,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 12:07:40,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 12:07:40,505 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) [2023-09-17 12:07:40,515 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 [2023-09-17 12:07:40,515 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 [2023-09-17 12:07:40,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 12:07:40,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-09-17 12:07:40,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 12:07:40,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 12:07:40,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 12:07:40,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-09-17 12:07:40,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-09-17 12:07:40,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-09-17 12:07:40,546 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 [2023-09-17 12:07:40,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 12:07:40,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 12:07:40,548 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) [2023-09-17 12:07:40,550 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 [2023-09-17 12:07:40,552 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 [2023-09-17 12:07:40,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 12:07:40,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 12:07:40,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 12:07:40,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 12:07:40,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-09-17 12:07:40,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-09-17 12:07:40,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-09-17 12:07:40,589 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 [2023-09-17 12:07:40,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 12:07:40,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 12:07:40,590 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) [2023-09-17 12:07:40,594 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 [2023-09-17 12:07:40,596 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 [2023-09-17 12:07:40,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 12:07:40,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-09-17 12:07:40,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 12:07:40,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 12:07:40,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 12:07:40,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-09-17 12:07:40,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-09-17 12:07:40,629 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-09-17 12:07:40,632 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-09-17 12:07:40,632 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-09-17 12:07:40,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 12:07:40,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 12:07:40,672 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) [2023-09-17 12:07:40,674 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 [2023-09-17 12:07:40,676 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-09-17 12:07:40,676 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-09-17 12:07:40,676 INFO L513 LassoAnalysis]: Proved termination. [2023-09-17 12:07:40,677 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~M1~0, thread1Thread1of1ForFork0_~i~0) = 1*~M1~0 - 1*thread1Thread1of1ForFork0_~i~0 Supporting invariants [] [2023-09-17 12:07:40,684 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 [2023-09-17 12:07:40,687 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-09-17 12:07:40,721 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-17 12:07:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-17 12:07:40,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 1 conjunts are in the unsatisfiable core [2023-09-17 12:07:40,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-17 12:07:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-17 12:07:40,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2023-09-17 12:07:40,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-17 12:07:40,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-17 12:07:40,991 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2023-09-17 12:07:40,993 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand null Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2023-09-17 12:07:41,090 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 [2023-09-17 12:07:41,865 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand null. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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 9913 states and 33584 transitions. Complement of second has 9 states. [2023-09-17 12:07:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-09-17 12:07:41,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2023-09-17 12:07:41,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 197 transitions. [2023-09-17 12:07:41,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 197 transitions. Stem has 50 letters. Loop has 7 letters. [2023-09-17 12:07:41,875 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-09-17 12:07:41,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 197 transitions. Stem has 57 letters. Loop has 7 letters. [2023-09-17 12:07:41,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-09-17 12:07:41,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 197 transitions. Stem has 50 letters. Loop has 14 letters. [2023-09-17 12:07:41,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-09-17 12:07:41,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9913 states and 33584 transitions. [2023-09-17 12:07:42,060 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-09-17 12:07:42,063 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9913 states to 0 states and 0 transitions. [2023-09-17 12:07:42,064 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-09-17 12:07:42,064 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-09-17 12:07:42,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-09-17 12:07:42,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-17 12:07:42,065 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-09-17 12:07:42,065 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-09-17 12:07:42,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-17 12:07:42,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-17 12:07:42,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-17 12:07:42,068 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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) [2023-09-17 12:07:42,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-09-17 12:07:42,070 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2023-09-17 12:07:42,071 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2023-09-17 12:07:42,071 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-09-17 12:07:42,071 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2023-09-17 12:07:42,071 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-09-17 12:07:42,071 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-09-17 12:07:42,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-09-17 12:07:42,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-17 12:07:42,071 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-09-17 12:07:42,071 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-09-17 12:07:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-17 12:07:42,072 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-09-17 12:07:42,073 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-09-17 12:07:42,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-09-17 12:07:42,073 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-09-17 12:07:42,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-09-17 12:07:42,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.09 12:07:42 BoogieIcfgContainer [2023-09-17 12:07:42,080 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-09-17 12:07:42,081 INFO L158 Benchmark]: Toolchain (without parser) took 6213.99ms. Allocated memory was 189.8MB in the beginning and 372.2MB in the end (delta: 182.5MB). Free memory was 144.2MB in the beginning and 180.7MB in the end (delta: -36.5MB). Peak memory consumption was 146.8MB. Max. memory is 8.0GB. [2023-09-17 12:07:42,081 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 189.8MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-09-17 12:07:42,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.08ms. Allocated memory is still 189.8MB. Free memory was 143.9MB in the beginning and 133.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-09-17 12:07:42,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.03ms. Allocated memory is still 189.8MB. Free memory was 133.4MB in the beginning and 131.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-09-17 12:07:42,082 INFO L158 Benchmark]: Boogie Preprocessor took 33.11ms. Allocated memory is still 189.8MB. Free memory was 131.6MB in the beginning and 130.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-09-17 12:07:42,083 INFO L158 Benchmark]: RCFGBuilder took 429.45ms. Allocated memory is still 189.8MB. Free memory was 130.6MB in the beginning and 117.0MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-09-17 12:07:42,083 INFO L158 Benchmark]: BuchiAutomizer took 5434.35ms. Allocated memory was 189.8MB in the beginning and 372.2MB in the end (delta: 182.5MB). Free memory was 116.6MB in the beginning and 180.7MB in the end (delta: -64.1MB). Peak memory consumption was 119.6MB. Max. memory is 8.0GB. [2023-09-17 12:07:42,085 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 189.8MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 273.08ms. Allocated memory is still 189.8MB. Free memory was 143.9MB in the beginning and 133.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.03ms. Allocated memory is still 189.8MB. Free memory was 133.4MB in the beginning and 131.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.11ms. Allocated memory is still 189.8MB. Free memory was 131.6MB in the beginning and 130.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 429.45ms. Allocated memory is still 189.8MB. Free memory was 130.6MB in the beginning and 117.0MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 5434.35ms. Allocated memory was 189.8MB in the beginning and 372.2MB in the end (delta: 182.5MB). Free memory was 116.6MB in the beginning and 180.7MB in the end (delta: -64.1MB). Peak memory consumption was 119.6MB. 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + M1 and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 112 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 201 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 104 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 97 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital48 mio100 ax166 hnf100 lsp177 ukn42 mio100 lsp100 div100 bol100 ite100 ukn100 eq181 hnf100 smp100 dnf113 smp50 tf103 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-09-17 12:07:42,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...