/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf -i ../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-dev-21b0908
[2022-07-22 12:50:21,878 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-07-22 12:50:21,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
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[2022-07-22 12:50:21,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
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[2022-07-22 12:50:21,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-07-22 12:50:21,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-07-22 12:50:21,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-07-22 12:50:21,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-07-22 12:50:22,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
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[2022-07-22 12:50:22,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2022-07-22 12:50:22,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2022-07-22 12:50:22,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2022-07-22 12:50:22,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-07-22 12:50:22,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-07-22 12:50:22,043 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf
[2022-07-22 12:50:22,104 INFO L113 SettingsManager]: Loading preferences was successful
[2022-07-22 12:50:22,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-07-22 12:50:22,105 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-07-22 12:50:22,105 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-07-22 12:50:22,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-07-22 12:50:22,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-07-22 12:50:22,107 INFO L138 SettingsManager]: * Use SBE=true
[2022-07-22 12:50:22,107 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2022-07-22 12:50:22,107 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2022-07-22 12:50:22,108 INFO L138 SettingsManager]: * Use old map elimination=false
[2022-07-22 12:50:22,109 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2022-07-22 12:50:22,109 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2022-07-22 12:50:22,109 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2022-07-22 12:50:22,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-07-22 12:50:22,109 INFO L138 SettingsManager]: * sizeof long=4
[2022-07-22 12:50:22,110 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-07-22 12:50:22,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-07-22 12:50:22,110 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-07-22 12:50:22,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-07-22 12:50:22,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2022-07-22 12:50:22,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2022-07-22 12:50:22,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2022-07-22 12:50:22,111 INFO L138 SettingsManager]: * sizeof long double=12
[2022-07-22 12:50:22,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-07-22 12:50:22,111 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2022-07-22 12:50:22,111 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-07-22 12:50:22,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2022-07-22 12:50:22,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-07-22 12:50:22,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-07-22 12:50:22,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-07-22 12:50:22,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-07-22 12:50:22,113 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2022-07-22 12:50:22,116 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-07-22 12:50:22,116 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-07-22 12:50:22,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-07-22 12:50:22,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-07-22 12:50:22,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-07-22 12:50:22,562 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-07-22 12:50:22,563 INFO L275 PluginConnector]: CDTParser initialized
[2022-07-22 12:50:22,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c
[2022-07-22 12:50:22,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67183b734/23dcea2fa70047709565a799dd077fa5/FLAGceb59f319
[2022-07-22 12:50:23,349 INFO L306 CDTParser]: Found 1 translation units.
[2022-07-22 12:50:23,350 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c
[2022-07-22 12:50:23,360 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67183b734/23dcea2fa70047709565a799dd077fa5/FLAGceb59f319
[2022-07-22 12:50:23,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67183b734/23dcea2fa70047709565a799dd077fa5
[2022-07-22 12:50:23,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-07-22 12:50:23,694 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-07-22 12:50:23,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-07-22 12:50:23,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-07-22 12:50:23,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-07-22 12:50:23,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:50:23" (1/1) ...
[2022-07-22 12:50:23,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc847f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:50:23, skipping insertion in model container
[2022-07-22 12:50:23,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:50:23" (1/1) ...
[2022-07-22 12:50:23,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-07-22 12:50:23,737 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-07-22 12:50:23,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c[2098,2111]
[2022-07-22 12:50:23,987 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-07-22 12:50:23,996 INFO L203 MainTranslator]: Completed pre-run
[2022-07-22 12:50:24,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c[2098,2111]
[2022-07-22 12:50:24,020 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-07-22 12:50:24,037 INFO L208 MainTranslator]: Completed translation
[2022-07-22 12:50:24,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:50:24 WrapperNode
[2022-07-22 12:50:24,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-07-22 12:50:24,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-07-22 12:50:24,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-07-22 12:50:24,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-07-22 12:50:24,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:50:24" (1/1) ...
[2022-07-22 12:50:24,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:50:24" (1/1) ...
[2022-07-22 12:50:24,082 INFO L137 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55
[2022-07-22 12:50:24,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-07-22 12:50:24,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-07-22 12:50:24,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-07-22 12:50:24,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-07-22 12:50:24,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:50:24" (1/1) ...
[2022-07-22 12:50:24,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:50:24" (1/1) ...
[2022-07-22 12:50:24,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:50:24" (1/1) ...
[2022-07-22 12:50:24,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:50:24" (1/1) ...
[2022-07-22 12:50:24,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:50:24" (1/1) ...
[2022-07-22 12:50:24,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:50:24" (1/1) ...
[2022-07-22 12:50:24,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:50:24" (1/1) ...
[2022-07-22 12:50:24,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-07-22 12:50:24,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-07-22 12:50:24,114 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-07-22 12:50:24,114 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-07-22 12:50:24,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:50:24" (1/1) ...
[2022-07-22 12:50:24,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:24,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:24,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:24,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2022-07-22 12:50:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-07-22 12:50:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2022-07-22 12:50:24,227 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2022-07-22 12:50:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2022-07-22 12:50:24,228 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2022-07-22 12:50:24,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-07-22 12:50:24,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-07-22 12:50:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-07-22 12:50:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-07-22 12:50:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-07-22 12:50:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-07-22 12:50:24,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-07-22 12:50:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-07-22 12:50:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-07-22 12:50:24,240 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-07-22 12:50:24,394 INFO L234 CfgBuilder]: Building ICFG
[2022-07-22 12:50:24,396 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-07-22 12:50:24,610 INFO L275 CfgBuilder]: Performing block encoding
[2022-07-22 12:50:24,670 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-07-22 12:50:24,670 INFO L299 CfgBuilder]: Removed 2 assume(true) statements.
[2022-07-22 12:50:24,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:50:24 BoogieIcfgContainer
[2022-07-22 12:50:24,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-07-22 12:50:24,676 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2022-07-22 12:50:24,676 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2022-07-22 12:50:24,681 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2022-07-22 12:50:24,682 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-07-22 12:50:24,683 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:50:23" (1/3) ...
[2022-07-22 12:50:24,684 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ca4d70b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:50:24, skipping insertion in model container
[2022-07-22 12:50:24,684 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-07-22 12:50:24,684 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:50:24" (2/3) ...
[2022-07-22 12:50:24,685 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ca4d70b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:50:24, skipping insertion in model container
[2022-07-22 12:50:24,685 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-07-22 12:50:24,685 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:50:24" (3/3) ...
[2022-07-22 12:50:24,687 INFO L322 chiAutomizerObserver]: Analyzing ICFG popl20-nonblocking-cntr-alt.wvr.c
[2022-07-22 12:50:24,839 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-07-22 12:50:24,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 85 transitions, 186 flow
[2022-07-22 12:50:24,943 INFO L129 PetriNetUnfolder]: 6/81 cut-off events.
[2022-07-22 12:50:24,944 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2022-07-22 12:50:24,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 81 events. 6/81 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place.
[2022-07-22 12:50:24,948 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 85 transitions, 186 flow
[2022-07-22 12:50:24,956 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 81 transitions, 174 flow
[2022-07-22 12:50:24,960 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2022-07-22 12:50:24,972 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 81 transitions, 174 flow
[2022-07-22 12:50:24,975 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 81 transitions, 174 flow
[2022-07-22 12:50:24,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 81 transitions, 174 flow
[2022-07-22 12:50:24,997 INFO L129 PetriNetUnfolder]: 6/81 cut-off events.
[2022-07-22 12:50:24,997 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2022-07-22 12:50:24,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 81 events. 6/81 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place.
[2022-07-22 12:50:25,001 INFO L116 LiptonReduction]: Number of co-enabled transitions 404
[2022-07-22 12:50:27,646 INFO L131 LiptonReduction]: Checked pairs total: 457
[2022-07-22 12:50:27,647 INFO L133 LiptonReduction]: Total number of compositions: 75
[2022-07-22 12:50:27,669 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2022-07-22 12:50:27,670 INFO L301 stractBuchiCegarLoop]: Hoare is false
[2022-07-22 12:50:27,670 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2022-07-22 12:50:27,670 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2022-07-22 12:50:27,670 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2022-07-22 12:50:27,670 INFO L305 stractBuchiCegarLoop]: Difference is false
[2022-07-22 12:50:27,671 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2022-07-22 12:50:27,671 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2022-07-22 12:50:27,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states
[2022-07-22 12:50:27,712 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 14
[2022-07-22 12:50:27,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-07-22 12:50:27,713 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-07-22 12:50:27,719 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2022-07-22 12:50:27,719 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1]
[2022-07-22 12:50:27,720 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2022-07-22 12:50:27,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 33 states, but on-demand construction may add more states
[2022-07-22 12:50:27,724 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 14
[2022-07-22 12:50:27,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-07-22 12:50:27,725 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-07-22 12:50:27,725 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2022-07-22 12:50:27,725 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1]
[2022-07-22 12:50:27,731 INFO L748 eck$LassoCheckResult]: Stem: 87#[ULTIMATE.startENTRY]don't care [311] ULTIMATE.startENTRY-->L72-3: Formula: (let ((.cse0 (select |v_#memory_int_48| 1)) (.cse1 (store |v_#valid_93| |v_ULTIMATE.start_main_~#t1~0#1.base_49| 1))) (and (= |v_#NULL.offset_6| 0) (= (select |v_#valid_93| 1) 1) (= |v_#memory_int_47| (store |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_49| (store (select |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_49|) |v_ULTIMATE.start_main_~#t1~0#1.offset_41| |v_ULTIMATE.start_main_#t~pre7#1_29|))) (< |v_#StackHeapBarrier_20| |v_ULTIMATE.start_main_~#t2~0#1.base_49|) (= (select .cse0 0) 48) (= |v_#NULL.base_6| 0) (= (store (store |v_#length_62| |v_ULTIMATE.start_main_~#t1~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_49| 4) |v_#length_61|) (= (select |v_#length_62| 2) 34) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_39| 0) (= (select |v_#valid_93| 0) 0) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_59| 0)) (= (select |v_#valid_93| 2) 1) (= (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_49| 1) |v_#valid_92|) (= v_~counter~0_61 0) (= (select .cse0 1) 0) (= 2 (select |v_#length_62| 1)) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_41| 0) (= (ite (and (< 0 v_~M1~0_51) (< 0 v_~M2~0_49)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_43|) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_49|) 0) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_59| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_43|) (< |v_#StackHeapBarrier_20| |v_ULTIMATE.start_main_~#t1~0#1.base_49|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1)) (< 0 |v_#StackHeapBarrier_20|) (= (select |v_#valid_93| |v_ULTIMATE.start_main_~#t1~0#1.base_49|) 0) (= |v_ULTIMATE.start_main_#t~pre7#1_29| |v_#pthreadsForks_32|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_20|, #pthreadsForks=|v_#pthreadsForks_32|, #valid=|v_#valid_93|, #memory_int=|v_#memory_int_48|, #length=|v_#length_62|} OutVars{ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_39|, ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_27|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_41|, ULTIMATE.start_main_#t~mem12#1=|v_ULTIMATE.start_main_#t~mem12#1_32|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_59|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_26|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_29|, #length=|v_#length_61|, ~M1~0=v_~M1~0_51, ~counter~0=v_~counter~0_61, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_19|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_36|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_26|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_49|, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_20|, ~M2~0=v_~M2~0_49, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_19|, #valid=|v_#valid_92|, #memory_int=|v_#memory_int_47|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_24|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_49|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_43|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~pre9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem12#1, #NULL.base, #pthreadsForks, ~M2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start_main_#t~pre7#1, #length, ~M1~0, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 90#[L72-3]don't care [231] L72-3-->thread1ENTRY: 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] 92#[L72-4, thread1ENTRY]don't care [212] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork0_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_~i~0] 94#[L72-4, L41-4]don't care
[2022-07-22 12:50:27,731 INFO L750 eck$LassoCheckResult]: Loop: 94#[L72-4, L41-4]don't care [296] L41-4-->L41-4: Formula: (and (= (+ v_~counter~0_48 1) v_~counter~0_47) (= v_thread1Thread1of1ForFork0_~i~0_25 (+ v_thread1Thread1of1ForFork0_~i~0_26 1)) (< v_thread1Thread1of1ForFork0_~i~0_26 v_~M1~0_33)) InVars {~counter~0=v_~counter~0_48, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_26, ~M1~0=v_~M1~0_33} OutVars{~counter~0=v_~counter~0_47, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_17|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_7|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_25, ~M1~0=v_~M1~0_33} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0] 94#[L72-4, L41-4]don't care
[2022-07-22 12:50:27,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-07-22 12:50:27,737 INFO L85 PathProgramCache]: Analyzing trace with hash 336035, now seen corresponding path program 1 times
[2022-07-22 12:50:27,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-07-22 12:50:27,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290536842]
[2022-07-22 12:50:27,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-07-22 12:50:27,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-07-22 12:50:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:27,877 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-07-22 12:50:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:27,933 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-07-22 12:50:27,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-07-22 12:50:27,938 INFO L85 PathProgramCache]: Analyzing trace with hash 327, now seen corresponding path program 1 times
[2022-07-22 12:50:27,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-07-22 12:50:27,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661669633]
[2022-07-22 12:50:27,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-07-22 12:50:27,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-07-22 12:50:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:27,959 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-07-22 12:50:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:27,977 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-07-22 12:50:27,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-07-22 12:50:27,980 INFO L85 PathProgramCache]: Analyzing trace with hash 10417381, now seen corresponding path program 1 times
[2022-07-22 12:50:27,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-07-22 12:50:27,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188033011]
[2022-07-22 12:50:27,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-07-22 12:50:27,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-07-22 12:50:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:28,031 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-07-22 12:50:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:28,076 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-07-22 12:50:28,131 INFO L210 LassoAnalysis]: Preferences:
[2022-07-22 12:50:28,132 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2022-07-22 12:50:28,132 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2022-07-22 12:50:28,132 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2022-07-22 12:50:28,133 INFO L129 ssoRankerPreferences]: Use exernal solver: true
[2022-07-22 12:50:28,133 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:28,133 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2022-07-22 12:50:28,133 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2022-07-22 12:50:28,133 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-nonblocking-cntr-alt.wvr.c_BEv2_Iteration1_Loop
[2022-07-22 12:50:28,134 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2022-07-22 12:50:28,134 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2022-07-22 12:50:28,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:28,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:28,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:28,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:28,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:28,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:28,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:28,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:28,255 INFO L294 LassoAnalysis]: Preprocessing complete.
[2022-07-22 12:50:28,259 INFO L404 LassoAnalysis]: Checking for nontermination...
[2022-07-22 12:50:28,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:28,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:28,276 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:28,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2022-07-22 12:50:28,279 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2022-07-22 12:50:28,280 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:28,312 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2022-07-22 12:50:28,312 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_#t~post2=0} Honda state: {thread1Thread1of1ForFork0_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2022-07-22 12:50:28,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:28,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:28,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:28,364 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:28,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2022-07-22 12:50:28,388 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2022-07-22 12:50:28,388 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:28,424 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2022-07-22 12:50:28,425 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_1=1} Honda state: {v_rep#funAddr~thread2.offset_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2022-07-22 12:50:28,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:28,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:28,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:28,481 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:28,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2022-07-22 12:50:28,485 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2022-07-22 12:50:28,485 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:28,503 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2022-07-22 12:50:28,504 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_#t~post1=0} Honda state: {thread1Thread1of1ForFork0_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2022-07-22 12:50:28,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:28,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:28,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:28,544 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:28,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2022-07-22 12:50:28,547 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2022-07-22 12:50:28,548 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:28,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:28,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:28,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:28,609 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:28,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process
[2022-07-22 12:50:28,611 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2022-07-22 12:50:28,612 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:28,754 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2022-07-22 12:50:28,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0
[2022-07-22 12:50:28,757 INFO L210 LassoAnalysis]: Preferences:
[2022-07-22 12:50:28,757 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2022-07-22 12:50:28,757 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2022-07-22 12:50:28,758 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2022-07-22 12:50:28,758 INFO L129 ssoRankerPreferences]: Use exernal solver: false
[2022-07-22 12:50:28,758 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:28,758 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2022-07-22 12:50:28,758 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2022-07-22 12:50:28,758 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-nonblocking-cntr-alt.wvr.c_BEv2_Iteration1_Loop
[2022-07-22 12:50:28,758 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2022-07-22 12:50:28,758 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2022-07-22 12:50:28,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:28,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:28,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:28,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:28,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:28,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:28,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:28,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:28,846 INFO L294 LassoAnalysis]: Preprocessing complete.
[2022-07-22 12:50:28,851 INFO L490 LassoAnalysis]: Using template 'affine'.
[2022-07-22 12:50:28,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:28,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:28,861 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:28,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process
[2022-07-22 12:50:28,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-07-22 12:50:28,875 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-07-22 12:50:28,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-07-22 12:50:28,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-07-22 12:50:28,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-07-22 12:50:28,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-07-22 12:50:28,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-07-22 12:50:28,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-07-22 12:50:28,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:28,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:28,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:28,938 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:28,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process
[2022-07-22 12:50:28,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-07-22 12:50:28,948 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-07-22 12:50:28,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-07-22 12:50:28,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-07-22 12:50:28,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-07-22 12:50:28,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-07-22 12:50:28,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-07-22 12:50:28,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-07-22 12:50:28,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:28,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:28,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:28,981 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:28,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process
[2022-07-22 12:50:28,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-07-22 12:50:28,996 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-07-22 12:50:28,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-07-22 12:50:28,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-07-22 12:50:28,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-07-22 12:50:28,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-07-22 12:50:28,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-07-22 12:50:28,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-07-22 12:50:29,015 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2022-07-22 12:50:29,022 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver.
[2022-07-22 12:50:29,023 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero.
[2022-07-22 12:50:29,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:29,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:29,027 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:29,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process
[2022-07-22 12:50:29,028 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2022-07-22 12:50:29,029 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2022-07-22 12:50:29,029 INFO L513 LassoAnalysis]: Proved termination.
[2022-07-22 12:50:29,029 INFO L515 LassoAnalysis]: Termination argument consisting of:
Ranking function f(thread1Thread1of1ForFork0_~i~0, ~M1~0) = -1*thread1Thread1of1ForFork0_~i~0 + 1*~M1~0
Supporting invariants []
[2022-07-22 12:50:29,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:29,070 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2022-07-22 12:50:29,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-07-22 12:50:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-07-22 12:50:29,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-07-22 12:50:29,121 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-07-22 12:50:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-07-22 12:50:29,139 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-07-22 12:50:29,139 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-07-22 12:50:29,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-07-22 12:50:29,174 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates
[2022-07-22 12:50:29,177 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 33 states, but on-demand construction may add more states Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-07-22 12:50:29,248 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 33 states, but on-demand construction may add more states. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 63 states and 161 transitions. Complement of second has 3 states.
[2022-07-22 12:50:29,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states
[2022-07-22 12:50:29,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-07-22 12:50:29,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 10 transitions.
[2022-07-22 12:50:29,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 3 letters. Loop has 1 letters.
[2022-07-22 12:50:29,260 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-07-22 12:50:29,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 4 letters. Loop has 1 letters.
[2022-07-22 12:50:29,261 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-07-22 12:50:29,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 3 letters. Loop has 2 letters.
[2022-07-22 12:50:29,261 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-07-22 12:50:29,262 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 161 transitions.
[2022-07-22 12:50:29,267 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13
[2022-07-22 12:50:29,274 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 52 states and 135 transitions.
[2022-07-22 12:50:29,275 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32
[2022-07-22 12:50:29,276 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45
[2022-07-22 12:50:29,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 135 transitions.
[2022-07-22 12:50:29,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-07-22 12:50:29,278 INFO L220 hiAutomatonCegarLoop]: Abstraction has 52 states and 135 transitions.
[2022-07-22 12:50:29,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 135 transitions.
[2022-07-22 12:50:29,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 40.
[2022-07-22 12:50:29,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 2.6) internal successors, (104), 39 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-07-22 12:50:29,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 104 transitions.
[2022-07-22 12:50:29,314 INFO L242 hiAutomatonCegarLoop]: Abstraction has 40 states and 104 transitions.
[2022-07-22 12:50:29,314 INFO L425 stractBuchiCegarLoop]: Abstraction has 40 states and 104 transitions.
[2022-07-22 12:50:29,315 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2022-07-22 12:50:29,315 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 104 transitions.
[2022-07-22 12:50:29,317 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13
[2022-07-22 12:50:29,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-07-22 12:50:29,317 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-07-22 12:50:29,318 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1]
[2022-07-22 12:50:29,318 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1]
[2022-07-22 12:50:29,319 INFO L748 eck$LassoCheckResult]: Stem: 293#[ULTIMATE.startENTRY]don't care [311] ULTIMATE.startENTRY-->L72-3: Formula: (let ((.cse0 (select |v_#memory_int_48| 1)) (.cse1 (store |v_#valid_93| |v_ULTIMATE.start_main_~#t1~0#1.base_49| 1))) (and (= |v_#NULL.offset_6| 0) (= (select |v_#valid_93| 1) 1) (= |v_#memory_int_47| (store |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_49| (store (select |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_49|) |v_ULTIMATE.start_main_~#t1~0#1.offset_41| |v_ULTIMATE.start_main_#t~pre7#1_29|))) (< |v_#StackHeapBarrier_20| |v_ULTIMATE.start_main_~#t2~0#1.base_49|) (= (select .cse0 0) 48) (= |v_#NULL.base_6| 0) (= (store (store |v_#length_62| |v_ULTIMATE.start_main_~#t1~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_49| 4) |v_#length_61|) (= (select |v_#length_62| 2) 34) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_39| 0) (= (select |v_#valid_93| 0) 0) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_59| 0)) (= (select |v_#valid_93| 2) 1) (= (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_49| 1) |v_#valid_92|) (= v_~counter~0_61 0) (= (select .cse0 1) 0) (= 2 (select |v_#length_62| 1)) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_41| 0) (= (ite (and (< 0 v_~M1~0_51) (< 0 v_~M2~0_49)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_43|) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_49|) 0) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_59| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_43|) (< |v_#StackHeapBarrier_20| |v_ULTIMATE.start_main_~#t1~0#1.base_49|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1)) (< 0 |v_#StackHeapBarrier_20|) (= (select |v_#valid_93| |v_ULTIMATE.start_main_~#t1~0#1.base_49|) 0) (= |v_ULTIMATE.start_main_#t~pre7#1_29| |v_#pthreadsForks_32|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_20|, #pthreadsForks=|v_#pthreadsForks_32|, #valid=|v_#valid_93|, #memory_int=|v_#memory_int_48|, #length=|v_#length_62|} OutVars{ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_39|, ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_27|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_41|, ULTIMATE.start_main_#t~mem12#1=|v_ULTIMATE.start_main_#t~mem12#1_32|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_59|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_26|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_29|, #length=|v_#length_61|, ~M1~0=v_~M1~0_51, ~counter~0=v_~counter~0_61, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_19|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_36|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_26|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_49|, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_20|, ~M2~0=v_~M2~0_49, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_19|, #valid=|v_#valid_92|, #memory_int=|v_#memory_int_47|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_24|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_49|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_43|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~pre9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem12#1, #NULL.base, #pthreadsForks, ~M2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start_main_#t~pre7#1, #length, ~M1~0, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 285#[L72-3]don't care [231] L72-3-->thread1ENTRY: 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] 247#[L72-4, thread1ENTRY]don't care [212] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork0_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_~i~0] 249#[L72-4, L41-4]don't care [300] L72-4-->L73-3: Formula: (and (= |v_ULTIMATE.start_main_#t~pre9#1_19| |v_#pthreadsForks_24|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_45| |v_ULTIMATE.start_main_~#t2~0#1.base_33|)) (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) 1) (= (store |v_#memory_int_36| |v_ULTIMATE.start_main_~#t2~0#1.base_33| (store (select |v_#memory_int_36| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre9#1_19|)) |v_#memory_int_35|) (= |v_#pthreadsForks_23| (+ |v_#pthreadsForks_24| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_36|, #length=|v_#length_45|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} OutVars{#pthreadsForks=|v_#pthreadsForks_23|, ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_19|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_11|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_35|, #length=|v_#length_45|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} AuxVars[] AssignedVars[#pthreadsForks, ULTIMATE.start_main_#t~pre9#1, ULTIMATE.start_main_#t~nondet8#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 277#[L73-3, L41-4]don't care
[2022-07-22 12:50:29,319 INFO L750 eck$LassoCheckResult]: Loop: 277#[L73-3, L41-4]don't care [296] L41-4-->L41-4: Formula: (and (= (+ v_~counter~0_48 1) v_~counter~0_47) (= v_thread1Thread1of1ForFork0_~i~0_25 (+ v_thread1Thread1of1ForFork0_~i~0_26 1)) (< v_thread1Thread1of1ForFork0_~i~0_26 v_~M1~0_33)) InVars {~counter~0=v_~counter~0_48, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_26, ~M1~0=v_~M1~0_33} OutVars{~counter~0=v_~counter~0_47, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_17|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_7|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_25, ~M1~0=v_~M1~0_33} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0] 277#[L73-3, L41-4]don't care
[2022-07-22 12:50:29,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-07-22 12:50:29,320 INFO L85 PathProgramCache]: Analyzing trace with hash 10417385, now seen corresponding path program 1 times
[2022-07-22 12:50:29,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-07-22 12:50:29,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712764921]
[2022-07-22 12:50:29,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-07-22 12:50:29,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-07-22 12:50:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:29,344 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-07-22 12:50:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:29,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-07-22 12:50:29,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-07-22 12:50:29,366 INFO L85 PathProgramCache]: Analyzing trace with hash 327, now seen corresponding path program 2 times
[2022-07-22 12:50:29,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-07-22 12:50:29,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773288955]
[2022-07-22 12:50:29,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-07-22 12:50:29,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-07-22 12:50:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:29,371 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-07-22 12:50:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:29,376 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-07-22 12:50:29,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-07-22 12:50:29,377 INFO L85 PathProgramCache]: Analyzing trace with hash 322939231, now seen corresponding path program 1 times
[2022-07-22 12:50:29,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-07-22 12:50:29,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428285186]
[2022-07-22 12:50:29,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-07-22 12:50:29,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-07-22 12:50:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:29,400 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-07-22 12:50:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:29,420 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-07-22 12:50:29,438 INFO L210 LassoAnalysis]: Preferences:
[2022-07-22 12:50:29,438 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2022-07-22 12:50:29,438 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2022-07-22 12:50:29,438 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2022-07-22 12:50:29,438 INFO L129 ssoRankerPreferences]: Use exernal solver: true
[2022-07-22 12:50:29,438 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:29,439 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2022-07-22 12:50:29,439 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2022-07-22 12:50:29,439 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-nonblocking-cntr-alt.wvr.c_BEv2_Iteration2_Loop
[2022-07-22 12:50:29,439 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2022-07-22 12:50:29,439 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2022-07-22 12:50:29,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:29,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:29,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:29,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:29,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:29,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:29,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:29,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:29,517 INFO L294 LassoAnalysis]: Preprocessing complete.
[2022-07-22 12:50:29,517 INFO L404 LassoAnalysis]: Checking for nontermination...
[2022-07-22 12:50:29,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:29,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:29,522 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:29,531 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2022-07-22 12:50:29,532 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:29,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process
[2022-07-22 12:50:29,555 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2022-07-22 12:50:29,555 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_#t~post1=0} Honda state: {thread1Thread1of1ForFork0_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2022-07-22 12:50:29,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:29,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:29,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:29,600 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:29,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process
[2022-07-22 12:50:29,603 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2022-07-22 12:50:29,603 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:29,625 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2022-07-22 12:50:29,625 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_3=1} Honda state: {v_rep#funAddr~thread2.offset_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2022-07-22 12:50:29,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:29,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:29,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:29,667 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:29,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process
[2022-07-22 12:50:29,671 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2022-07-22 12:50:29,672 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:29,694 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2022-07-22 12:50:29,694 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_#t~post2=0} Honda state: {thread1Thread1of1ForFork0_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2022-07-22 12:50:29,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:29,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:29,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:29,736 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:29,743 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2022-07-22 12:50:29,743 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:29,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process
[2022-07-22 12:50:29,762 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2022-07-22 12:50:29,762 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_3=-1} Honda state: {v_rep#funAddr~thread1.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2022-07-22 12:50:29,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:29,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:29,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:29,804 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:29,811 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2022-07-22 12:50:29,811 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:29,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process
[2022-07-22 12:50:29,830 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2022-07-22 12:50:29,830 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_3=-1} Honda state: {v_rep#funAddr~thread2.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2022-07-22 12:50:29,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:29,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:29,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:29,874 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:29,884 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2022-07-22 12:50:29,884 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:29,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process
[2022-07-22 12:50:29,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:29,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:29,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:29,944 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:29,948 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2022-07-22 12:50:29,948 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:29,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process
[2022-07-22 12:50:29,979 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2022-07-22 12:50:29,979 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter~0=0} Honda state: {~counter~0=0} Generalized eigenvectors: [{~counter~0=-6}, {~counter~0=6}, {~counter~0=1}] Lambdas: [2, 1, 1] Nus: [1, 0]
[2022-07-22 12:50:30,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:30,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:30,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:30,019 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:30,024 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2022-07-22 12:50:30,025 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:30,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process
[2022-07-22 12:50:30,048 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2022-07-22 12:50:30,049 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_3=0} Honda state: {v_rep#funAddr~thread1.offset_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2022-07-22 12:50:30,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:30,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:30,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:30,087 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:30,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process
[2022-07-22 12:50:30,090 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2022-07-22 12:50:30,090 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:30,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:30,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:30,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:30,140 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:30,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process
[2022-07-22 12:50:30,146 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2022-07-22 12:50:30,146 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:30,292 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2022-07-22 12:50:30,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:30,297 INFO L210 LassoAnalysis]: Preferences:
[2022-07-22 12:50:30,297 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2022-07-22 12:50:30,298 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2022-07-22 12:50:30,298 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2022-07-22 12:50:30,298 INFO L129 ssoRankerPreferences]: Use exernal solver: false
[2022-07-22 12:50:30,298 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:30,298 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2022-07-22 12:50:30,298 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2022-07-22 12:50:30,298 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-nonblocking-cntr-alt.wvr.c_BEv2_Iteration2_Loop
[2022-07-22 12:50:30,298 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2022-07-22 12:50:30,298 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2022-07-22 12:50:30,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:30,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:30,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:30,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:30,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:30,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:30,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:30,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:30,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:30,414 INFO L294 LassoAnalysis]: Preprocessing complete.
[2022-07-22 12:50:30,414 INFO L490 LassoAnalysis]: Using template 'affine'.
[2022-07-22 12:50:30,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:30,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:30,416 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:30,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process
[2022-07-22 12:50:30,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-07-22 12:50:30,437 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-07-22 12:50:30,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-07-22 12:50:30,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-07-22 12:50:30,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-07-22 12:50:30,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-07-22 12:50:30,439 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-07-22 12:50:30,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-07-22 12:50:30,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-07-22 12:50:30,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:30,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:30,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:30,497 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:30,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-07-22 12:50:30,510 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-07-22 12:50:30,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-07-22 12:50:30,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-07-22 12:50:30,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-07-22 12:50:30,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-07-22 12:50:30,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-07-22 12:50:30,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-07-22 12:50:30,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process
[2022-07-22 12:50:30,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-07-22 12:50:30,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:30,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:30,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:30,568 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:30,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-07-22 12:50:30,579 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-07-22 12:50:30,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-07-22 12:50:30,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-07-22 12:50:30,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-07-22 12:50:30,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-07-22 12:50:30,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-07-22 12:50:30,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process
[2022-07-22 12:50:30,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-07-22 12:50:30,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:30,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:30,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:30,638 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:30,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-07-22 12:50:30,655 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-07-22 12:50:30,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-07-22 12:50:30,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-07-22 12:50:30,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-07-22 12:50:30,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process
[2022-07-22 12:50:30,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-07-22 12:50:30,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-07-22 12:50:30,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-07-22 12:50:30,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0
[2022-07-22 12:50:30,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:30,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:30,700 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:30,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process
[2022-07-22 12:50:30,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-07-22 12:50:30,709 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-07-22 12:50:30,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-07-22 12:50:30,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-07-22 12:50:30,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-07-22 12:50:30,712 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-07-22 12:50:30,712 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-07-22 12:50:30,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-07-22 12:50:30,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:30,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:30,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:30,775 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:30,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-07-22 12:50:30,787 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-07-22 12:50:30,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-07-22 12:50:30,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-07-22 12:50:30,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-07-22 12:50:30,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-07-22 12:50:30,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-07-22 12:50:30,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-07-22 12:50:30,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process
[2022-07-22 12:50:30,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-07-22 12:50:30,830 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0
[2022-07-22 12:50:30,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:30,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:30,833 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:30,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-07-22 12:50:30,846 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-07-22 12:50:30,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-07-22 12:50:30,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-07-22 12:50:30,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-07-22 12:50:30,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-07-22 12:50:30,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-07-22 12:50:30,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-07-22 12:50:30,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process
[2022-07-22 12:50:30,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:30,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:30,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:30,899 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:30,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-07-22 12:50:30,912 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-07-22 12:50:30,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-07-22 12:50:30,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-07-22 12:50:30,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-07-22 12:50:30,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-07-22 12:50:30,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-07-22 12:50:30,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-07-22 12:50:30,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process
[2022-07-22 12:50:30,925 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2022-07-22 12:50:30,932 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver.
[2022-07-22 12:50:30,932 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero.
[2022-07-22 12:50:30,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:30,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:30,934 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:30,942 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2022-07-22 12:50:30,943 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2022-07-22 12:50:30,943 INFO L513 LassoAnalysis]: Proved termination.
[2022-07-22 12:50:30,943 INFO L515 LassoAnalysis]: Termination argument consisting of:
Ranking function f(~M1~0, thread1Thread1of1ForFork0_~i~0) = 1*~M1~0 - 1*thread1Thread1of1ForFork0_~i~0
Supporting invariants []
[2022-07-22 12:50:30,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process
[2022-07-22 12:50:30,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:30,984 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2022-07-22 12:50:30,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-07-22 12:50:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-07-22 12:50:31,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-07-22 12:50:31,019 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-07-22 12:50:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-07-22 12:50:31,027 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-07-22 12:50:31,027 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-07-22 12:50:31,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-07-22 12:50:31,028 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates
[2022-07-22 12:50:31,029 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 104 transitions. cyclomatic complexity: 84 Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-07-22 12:50:31,056 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 104 transitions. cyclomatic complexity: 84. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 115 transitions. Complement of second has 3 states.
[2022-07-22 12:50:31,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states
[2022-07-22 12:50:31,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-07-22 12:50:31,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions.
[2022-07-22 12:50:31,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 4 letters. Loop has 1 letters.
[2022-07-22 12:50:31,058 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-07-22 12:50:31,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 5 letters. Loop has 1 letters.
[2022-07-22 12:50:31,059 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-07-22 12:50:31,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 4 letters. Loop has 2 letters.
[2022-07-22 12:50:31,059 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-07-22 12:50:31,059 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 115 transitions.
[2022-07-22 12:50:31,062 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 12
[2022-07-22 12:50:31,063 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 115 transitions.
[2022-07-22 12:50:31,064 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32
[2022-07-22 12:50:31,064 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36
[2022-07-22 12:50:31,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 115 transitions.
[2022-07-22 12:50:31,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-07-22 12:50:31,065 INFO L220 hiAutomatonCegarLoop]: Abstraction has 45 states and 115 transitions.
[2022-07-22 12:50:31,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 115 transitions.
[2022-07-22 12:50:31,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39.
[2022-07-22 12:50:31,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 2.58974358974359) internal successors, (101), 38 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-07-22 12:50:31,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 101 transitions.
[2022-07-22 12:50:31,071 INFO L242 hiAutomatonCegarLoop]: Abstraction has 39 states and 101 transitions.
[2022-07-22 12:50:31,071 INFO L425 stractBuchiCegarLoop]: Abstraction has 39 states and 101 transitions.
[2022-07-22 12:50:31,072 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2022-07-22 12:50:31,072 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 101 transitions.
[2022-07-22 12:50:31,073 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 12
[2022-07-22 12:50:31,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-07-22 12:50:31,073 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-07-22 12:50:31,074 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1]
[2022-07-22 12:50:31,074 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1]
[2022-07-22 12:50:31,074 INFO L748 eck$LassoCheckResult]: Stem: 447#[ULTIMATE.startENTRY]don't care [311] ULTIMATE.startENTRY-->L72-3: Formula: (let ((.cse0 (select |v_#memory_int_48| 1)) (.cse1 (store |v_#valid_93| |v_ULTIMATE.start_main_~#t1~0#1.base_49| 1))) (and (= |v_#NULL.offset_6| 0) (= (select |v_#valid_93| 1) 1) (= |v_#memory_int_47| (store |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_49| (store (select |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_49|) |v_ULTIMATE.start_main_~#t1~0#1.offset_41| |v_ULTIMATE.start_main_#t~pre7#1_29|))) (< |v_#StackHeapBarrier_20| |v_ULTIMATE.start_main_~#t2~0#1.base_49|) (= (select .cse0 0) 48) (= |v_#NULL.base_6| 0) (= (store (store |v_#length_62| |v_ULTIMATE.start_main_~#t1~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_49| 4) |v_#length_61|) (= (select |v_#length_62| 2) 34) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_39| 0) (= (select |v_#valid_93| 0) 0) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_59| 0)) (= (select |v_#valid_93| 2) 1) (= (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_49| 1) |v_#valid_92|) (= v_~counter~0_61 0) (= (select .cse0 1) 0) (= 2 (select |v_#length_62| 1)) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_41| 0) (= (ite (and (< 0 v_~M1~0_51) (< 0 v_~M2~0_49)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_43|) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_49|) 0) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_59| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_43|) (< |v_#StackHeapBarrier_20| |v_ULTIMATE.start_main_~#t1~0#1.base_49|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1)) (< 0 |v_#StackHeapBarrier_20|) (= (select |v_#valid_93| |v_ULTIMATE.start_main_~#t1~0#1.base_49|) 0) (= |v_ULTIMATE.start_main_#t~pre7#1_29| |v_#pthreadsForks_32|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_20|, #pthreadsForks=|v_#pthreadsForks_32|, #valid=|v_#valid_93|, #memory_int=|v_#memory_int_48|, #length=|v_#length_62|} OutVars{ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_39|, ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_27|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_41|, ULTIMATE.start_main_#t~mem12#1=|v_ULTIMATE.start_main_#t~mem12#1_32|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_59|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_26|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_29|, #length=|v_#length_61|, ~M1~0=v_~M1~0_51, ~counter~0=v_~counter~0_61, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_19|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_36|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_26|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_49|, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_20|, ~M2~0=v_~M2~0_49, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_19|, #valid=|v_#valid_92|, #memory_int=|v_#memory_int_47|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_24|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_49|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_43|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~pre9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem12#1, #NULL.base, #pthreadsForks, ~M2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start_main_#t~pre7#1, #length, ~M1~0, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 439#[L72-3]don't care [231] L72-3-->thread1ENTRY: 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] 403#[L72-4, thread1ENTRY]don't care [212] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork0_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_~i~0] 405#[L72-4, L41-4]don't care [300] L72-4-->L73-3: Formula: (and (= |v_ULTIMATE.start_main_#t~pre9#1_19| |v_#pthreadsForks_24|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_45| |v_ULTIMATE.start_main_~#t2~0#1.base_33|)) (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) 1) (= (store |v_#memory_int_36| |v_ULTIMATE.start_main_~#t2~0#1.base_33| (store (select |v_#memory_int_36| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre9#1_19|)) |v_#memory_int_35|) (= |v_#pthreadsForks_23| (+ |v_#pthreadsForks_24| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_36|, #length=|v_#length_45|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} OutVars{#pthreadsForks=|v_#pthreadsForks_23|, ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_19|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_11|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_35|, #length=|v_#length_45|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} AuxVars[] AssignedVars[#pthreadsForks, ULTIMATE.start_main_#t~pre9#1, ULTIMATE.start_main_#t~nondet8#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 429#[L73-3, L41-4]don't care [234] L73-3-->thread2ENTRY: 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] 433#[L41-4, thread2ENTRY, L73-4]don't care
[2022-07-22 12:50:31,075 INFO L750 eck$LassoCheckResult]: Loop: 433#[L41-4, thread2ENTRY, L73-4]don't care [296] L41-4-->L41-4: Formula: (and (= (+ v_~counter~0_48 1) v_~counter~0_47) (= v_thread1Thread1of1ForFork0_~i~0_25 (+ v_thread1Thread1of1ForFork0_~i~0_26 1)) (< v_thread1Thread1of1ForFork0_~i~0_26 v_~M1~0_33)) InVars {~counter~0=v_~counter~0_48, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_26, ~M1~0=v_~M1~0_33} OutVars{~counter~0=v_~counter~0_47, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_17|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_7|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_25, ~M1~0=v_~M1~0_33} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0] 433#[L41-4, thread2ENTRY, L73-4]don't care
[2022-07-22 12:50:31,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-07-22 12:50:31,076 INFO L85 PathProgramCache]: Analyzing trace with hash 322939169, now seen corresponding path program 1 times
[2022-07-22 12:50:31,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-07-22 12:50:31,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064773396]
[2022-07-22 12:50:31,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-07-22 12:50:31,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-07-22 12:50:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:31,095 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-07-22 12:50:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:31,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-07-22 12:50:31,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-07-22 12:50:31,115 INFO L85 PathProgramCache]: Analyzing trace with hash 327, now seen corresponding path program 3 times
[2022-07-22 12:50:31,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-07-22 12:50:31,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435145054]
[2022-07-22 12:50:31,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-07-22 12:50:31,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-07-22 12:50:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:31,120 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-07-22 12:50:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:31,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-07-22 12:50:31,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-07-22 12:50:31,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1421179943, now seen corresponding path program 1 times
[2022-07-22 12:50:31,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-07-22 12:50:31,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240506254]
[2022-07-22 12:50:31,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-07-22 12:50:31,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-07-22 12:50:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:31,143 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-07-22 12:50:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:31,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-07-22 12:50:31,181 INFO L210 LassoAnalysis]: Preferences:
[2022-07-22 12:50:31,182 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2022-07-22 12:50:31,182 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2022-07-22 12:50:31,182 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2022-07-22 12:50:31,182 INFO L129 ssoRankerPreferences]: Use exernal solver: true
[2022-07-22 12:50:31,182 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:31,182 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2022-07-22 12:50:31,182 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2022-07-22 12:50:31,182 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-nonblocking-cntr-alt.wvr.c_BEv2_Iteration3_Loop
[2022-07-22 12:50:31,183 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2022-07-22 12:50:31,183 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2022-07-22 12:50:31,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:31,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:31,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:31,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:31,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:31,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:31,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:31,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:31,266 INFO L294 LassoAnalysis]: Preprocessing complete.
[2022-07-22 12:50:31,266 INFO L404 LassoAnalysis]: Checking for nontermination...
[2022-07-22 12:50:31,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:31,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:31,267 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:31,271 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2022-07-22 12:50:31,271 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:31,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process
[2022-07-22 12:50:31,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:31,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:31,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:31,329 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:31,334 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2022-07-22 12:50:31,334 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:31,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process
[2022-07-22 12:50:31,363 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2022-07-22 12:50:31,364 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter~0=0} Honda state: {~counter~0=0} Generalized eigenvectors: [{~counter~0=-6}, {~counter~0=6}, {~counter~0=1}] Lambdas: [2, 1, 1] Nus: [1, 0]
[2022-07-22 12:50:31,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:31,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:31,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:31,402 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:31,404 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2022-07-22 12:50:31,404 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:31,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process
[2022-07-22 12:50:31,429 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2022-07-22 12:50:31,429 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_5=-1} Honda state: {v_rep#funAddr~thread1.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2022-07-22 12:50:31,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:31,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:31,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:31,467 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:31,469 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2022-07-22 12:50:31,469 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:31,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process
[2022-07-22 12:50:31,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:31,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:31,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:31,531 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:31,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2022-07-22 12:50:31,534 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-07-22 12:50:31,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process
[2022-07-22 12:50:31,714 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2022-07-22 12:50:31,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0
[2022-07-22 12:50:31,717 INFO L210 LassoAnalysis]: Preferences:
[2022-07-22 12:50:31,717 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2022-07-22 12:50:31,717 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2022-07-22 12:50:31,717 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2022-07-22 12:50:31,717 INFO L129 ssoRankerPreferences]: Use exernal solver: false
[2022-07-22 12:50:31,717 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:31,717 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2022-07-22 12:50:31,718 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2022-07-22 12:50:31,718 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-nonblocking-cntr-alt.wvr.c_BEv2_Iteration3_Loop
[2022-07-22 12:50:31,718 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2022-07-22 12:50:31,718 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2022-07-22 12:50:31,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:31,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:31,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:31,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:31,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:31,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:31,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:31,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-07-22 12:50:31,798 INFO L294 LassoAnalysis]: Preprocessing complete.
[2022-07-22 12:50:31,799 INFO L490 LassoAnalysis]: Using template 'affine'.
[2022-07-22 12:50:31,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:31,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:31,804 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:31,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-07-22 12:50:31,821 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-07-22 12:50:31,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-07-22 12:50:31,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-07-22 12:50:31,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-07-22 12:50:31,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-07-22 12:50:31,824 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-07-22 12:50:31,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process
[2022-07-22 12:50:31,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-07-22 12:50:31,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:31,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:31,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:31,870 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:31,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process
[2022-07-22 12:50:31,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-07-22 12:50:31,882 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-07-22 12:50:31,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-07-22 12:50:31,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-07-22 12:50:31,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-07-22 12:50:31,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-07-22 12:50:31,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-07-22 12:50:31,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-07-22 12:50:31,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-07-22 12:50:31,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0
[2022-07-22 12:50:31,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:31,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:31,916 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:31,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process
[2022-07-22 12:50:31,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-07-22 12:50:31,926 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-07-22 12:50:31,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-07-22 12:50:31,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-07-22 12:50:31,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-07-22 12:50:31,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-07-22 12:50:31,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-07-22 12:50:31,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-07-22 12:50:31,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0
[2022-07-22 12:50:31,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:31,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:31,978 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:31,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-07-22 12:50:31,991 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-07-22 12:50:31,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-07-22 12:50:31,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-07-22 12:50:31,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-07-22 12:50:31,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-07-22 12:50:31,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-07-22 12:50:31,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-07-22 12:50:31,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process
[2022-07-22 12:50:32,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-07-22 12:50:32,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:32,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:32,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:32,048 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:32,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-07-22 12:50:32,059 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-07-22 12:50:32,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-07-22 12:50:32,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-07-22 12:50:32,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-07-22 12:50:32,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-07-22 12:50:32,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-07-22 12:50:32,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-07-22 12:50:32,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process
[2022-07-22 12:50:32,071 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2022-07-22 12:50:32,080 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver.
[2022-07-22 12:50:32,080 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero.
[2022-07-22 12:50:32,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-07-22 12:50:32,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-07-22 12:50:32,082 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-07-22 12:50:32,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process
[2022-07-22 12:50:32,087 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2022-07-22 12:50:32,088 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2022-07-22 12:50:32,088 INFO L513 LassoAnalysis]: Proved termination.
[2022-07-22 12:50:32,088 INFO L515 LassoAnalysis]: Termination argument consisting of:
Ranking function f(~M1~0, thread1Thread1of1ForFork0_~i~0) = 1*~M1~0 - 1*thread1Thread1of1ForFork0_~i~0
Supporting invariants []
[2022-07-22 12:50:32,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:32,115 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2022-07-22 12:50:32,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-07-22 12:50:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-07-22 12:50:32,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-07-22 12:50:32,158 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-07-22 12:50:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-07-22 12:50:32,171 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-07-22 12:50:32,171 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-07-22 12:50:32,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-07-22 12:50:32,172 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates
[2022-07-22 12:50:32,172 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 101 transitions. cyclomatic complexity: 81 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-07-22 12:50:32,211 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 101 transitions. cyclomatic complexity: 81. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 125 transitions. Complement of second has 3 states.
[2022-07-22 12:50:32,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states
[2022-07-22 12:50:32,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-07-22 12:50:32,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions.
[2022-07-22 12:50:32,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 5 letters. Loop has 1 letters.
[2022-07-22 12:50:32,213 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-07-22 12:50:32,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 1 letters.
[2022-07-22 12:50:32,214 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-07-22 12:50:32,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 5 letters. Loop has 2 letters.
[2022-07-22 12:50:32,214 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-07-22 12:50:32,214 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 125 transitions.
[2022-07-22 12:50:32,216 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 11
[2022-07-22 12:50:32,218 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 125 transitions.
[2022-07-22 12:50:32,218 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31
[2022-07-22 12:50:32,218 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38
[2022-07-22 12:50:32,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 125 transitions.
[2022-07-22 12:50:32,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-07-22 12:50:32,219 INFO L220 hiAutomatonCegarLoop]: Abstraction has 47 states and 125 transitions.
[2022-07-22 12:50:32,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 125 transitions.
[2022-07-22 12:50:32,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 38.
[2022-07-22 12:50:32,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 2.5526315789473686) internal successors, (97), 37 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-07-22 12:50:32,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 97 transitions.
[2022-07-22 12:50:32,228 INFO L242 hiAutomatonCegarLoop]: Abstraction has 38 states and 97 transitions.
[2022-07-22 12:50:32,228 INFO L425 stractBuchiCegarLoop]: Abstraction has 38 states and 97 transitions.
[2022-07-22 12:50:32,228 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============
[2022-07-22 12:50:32,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 97 transitions.
[2022-07-22 12:50:32,232 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 11
[2022-07-22 12:50:32,232 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-07-22 12:50:32,232 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-07-22 12:50:32,232 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1]
[2022-07-22 12:50:32,232 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1]
[2022-07-22 12:50:32,233 INFO L748 eck$LassoCheckResult]: Stem: 606#[ULTIMATE.startENTRY]don't care [311] ULTIMATE.startENTRY-->L72-3: Formula: (let ((.cse0 (select |v_#memory_int_48| 1)) (.cse1 (store |v_#valid_93| |v_ULTIMATE.start_main_~#t1~0#1.base_49| 1))) (and (= |v_#NULL.offset_6| 0) (= (select |v_#valid_93| 1) 1) (= |v_#memory_int_47| (store |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_49| (store (select |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_49|) |v_ULTIMATE.start_main_~#t1~0#1.offset_41| |v_ULTIMATE.start_main_#t~pre7#1_29|))) (< |v_#StackHeapBarrier_20| |v_ULTIMATE.start_main_~#t2~0#1.base_49|) (= (select .cse0 0) 48) (= |v_#NULL.base_6| 0) (= (store (store |v_#length_62| |v_ULTIMATE.start_main_~#t1~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_49| 4) |v_#length_61|) (= (select |v_#length_62| 2) 34) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_39| 0) (= (select |v_#valid_93| 0) 0) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_59| 0)) (= (select |v_#valid_93| 2) 1) (= (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_49| 1) |v_#valid_92|) (= v_~counter~0_61 0) (= (select .cse0 1) 0) (= 2 (select |v_#length_62| 1)) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_41| 0) (= (ite (and (< 0 v_~M1~0_51) (< 0 v_~M2~0_49)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_43|) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_49|) 0) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_59| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_43|) (< |v_#StackHeapBarrier_20| |v_ULTIMATE.start_main_~#t1~0#1.base_49|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1)) (< 0 |v_#StackHeapBarrier_20|) (= (select |v_#valid_93| |v_ULTIMATE.start_main_~#t1~0#1.base_49|) 0) (= |v_ULTIMATE.start_main_#t~pre7#1_29| |v_#pthreadsForks_32|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_20|, #pthreadsForks=|v_#pthreadsForks_32|, #valid=|v_#valid_93|, #memory_int=|v_#memory_int_48|, #length=|v_#length_62|} OutVars{ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_39|, ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_27|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_41|, ULTIMATE.start_main_#t~mem12#1=|v_ULTIMATE.start_main_#t~mem12#1_32|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_59|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_26|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_29|, #length=|v_#length_61|, ~M1~0=v_~M1~0_51, ~counter~0=v_~counter~0_61, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_19|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_36|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_26|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_49|, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_20|, ~M2~0=v_~M2~0_49, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_19|, #valid=|v_#valid_92|, #memory_int=|v_#memory_int_47|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_24|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_49|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_43|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~pre9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem12#1, #NULL.base, #pthreadsForks, ~M2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start_main_#t~pre7#1, #length, ~M1~0, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 598#[L72-3]don't care [231] L72-3-->thread1ENTRY: 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] 562#[L72-4, thread1ENTRY]don't care [300] L72-4-->L73-3: Formula: (and (= |v_ULTIMATE.start_main_#t~pre9#1_19| |v_#pthreadsForks_24|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_45| |v_ULTIMATE.start_main_~#t2~0#1.base_33|)) (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) 1) (= (store |v_#memory_int_36| |v_ULTIMATE.start_main_~#t2~0#1.base_33| (store (select |v_#memory_int_36| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre9#1_19|)) |v_#memory_int_35|) (= |v_#pthreadsForks_23| (+ |v_#pthreadsForks_24| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_36|, #length=|v_#length_45|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} OutVars{#pthreadsForks=|v_#pthreadsForks_23|, ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_19|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_11|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_35|, #length=|v_#length_45|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} AuxVars[] AssignedVars[#pthreadsForks, ULTIMATE.start_main_#t~pre9#1, ULTIMATE.start_main_#t~nondet8#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 566#[L73-3, thread1ENTRY]don't care [234] L73-3-->thread2ENTRY: 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] 570#[thread1ENTRY, L73-4, thread2ENTRY]don't care [222] thread2ENTRY-->L54-1: Formula: (= v_thread2Thread1of1ForFork1_~i~1_1 0) InVars {} OutVars{thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_~i~1] 608#[thread1ENTRY, L73-4, L54-1]don't care
[2022-07-22 12:50:32,233 INFO L750 eck$LassoCheckResult]: Loop: 608#[thread1ENTRY, L73-4, L54-1]don't care [244] L54-1-->L54-1: Formula: (and (< v_thread2Thread1of1ForFork1_~i~1_14 v_~M2~0_9) (let ((.cse0 (< 0 v_~counter~0_34))) (or (and (= v_~counter~0_34 v_~counter~0_33) (= |v_thread2Thread1of1ForFork1_#t~post3_8| |v_thread2Thread1of1ForFork1_#t~post3_7|) (= v_thread2Thread1of1ForFork1_~i~1_14 v_thread2Thread1of1ForFork1_~i~1_13) (not .cse0) (= |v_thread2Thread1of1ForFork1_#t~post4_8| |v_thread2Thread1of1ForFork1_#t~post4_7|)) (and (= v_thread2Thread1of1ForFork1_~i~1_13 (+ v_thread2Thread1of1ForFork1_~i~1_14 1)) (= (+ v_~counter~0_33 1) v_~counter~0_34) .cse0)))) InVars {~counter~0=v_~counter~0_34, thread2Thread1of1ForFork1_#t~post4=|v_thread2Thread1of1ForFork1_#t~post4_8|, thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_14, thread2Thread1of1ForFork1_#t~post3=|v_thread2Thread1of1ForFork1_#t~post3_8|, ~M2~0=v_~M2~0_9} OutVars{~counter~0=v_~counter~0_33, thread2Thread1of1ForFork1_#t~post4=|v_thread2Thread1of1ForFork1_#t~post4_7|, thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_13, thread2Thread1of1ForFork1_#t~post3=|v_thread2Thread1of1ForFork1_#t~post3_7|, ~M2~0=v_~M2~0_9} AuxVars[] AssignedVars[~counter~0, thread2Thread1of1ForFork1_#t~post4, thread2Thread1of1ForFork1_~i~1, thread2Thread1of1ForFork1_#t~post3] 608#[thread1ENTRY, L73-4, L54-1]don't care
[2022-07-22 12:50:32,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-07-22 12:50:32,234 INFO L85 PathProgramCache]: Analyzing trace with hash 323021679, now seen corresponding path program 1 times
[2022-07-22 12:50:32,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-07-22 12:50:32,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831976869]
[2022-07-22 12:50:32,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-07-22 12:50:32,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-07-22 12:50:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:32,260 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-07-22 12:50:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:32,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-07-22 12:50:32,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-07-22 12:50:32,274 INFO L85 PathProgramCache]: Analyzing trace with hash 275, now seen corresponding path program 1 times
[2022-07-22 12:50:32,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-07-22 12:50:32,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133697376]
[2022-07-22 12:50:32,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-07-22 12:50:32,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-07-22 12:50:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:32,279 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-07-22 12:50:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:32,284 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-07-22 12:50:32,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-07-22 12:50:32,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1423737701, now seen corresponding path program 1 times
[2022-07-22 12:50:32,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-07-22 12:50:32,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963165967]
[2022-07-22 12:50:32,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-07-22 12:50:32,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-07-22 12:50:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:32,303 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-07-22 12:50:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-07-22 12:50:32,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-07-22 12:50:32,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:33,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0
[2022-07-22 12:50:33,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 12:50:33 BoogieIcfgContainer
[2022-07-22 12:50:33,191 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2022-07-22 12:50:33,192 INFO L158 Benchmark]: Toolchain (without parser) took 9501.80ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 134.6MB in the beginning and 167.3MB in the end (delta: -32.7MB). Peak memory consumption was 116.0MB. Max. memory is 8.0GB.
[2022-07-22 12:50:33,192 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-07-22 12:50:33,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.14ms. Allocated memory is still 159.4MB. Free memory was 134.4MB in the beginning and 124.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2022-07-22 12:50:33,193 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.31ms. Allocated memory is still 159.4MB. Free memory was 124.0MB in the beginning and 122.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-07-22 12:50:33,194 INFO L158 Benchmark]: Boogie Preprocessor took 29.72ms. Allocated memory is still 159.4MB. Free memory was 122.5MB in the beginning and 121.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-07-22 12:50:33,194 INFO L158 Benchmark]: RCFGBuilder took 560.32ms. Allocated memory is still 159.4MB. Free memory was 121.3MB in the beginning and 107.9MB in the end (delta: 13.5MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB.
[2022-07-22 12:50:33,195 INFO L158 Benchmark]: BuchiAutomizer took 8515.38ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 107.7MB in the beginning and 167.3MB in the end (delta: -59.6MB). Peak memory consumption was 89.8MB. Max. memory is 8.0GB.
[2022-07-22 12:50:33,197 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 340.14ms. Allocated memory is still 159.4MB. Free memory was 134.4MB in the beginning and 124.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 43.31ms. Allocated memory is still 159.4MB. Free memory was 124.0MB in the beginning and 122.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 29.72ms. Allocated memory is still 159.4MB. Free memory was 122.5MB in the beginning and 121.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 560.32ms. Allocated memory is still 159.4MB. Free memory was 121.3MB in the beginning and 107.9MB in the end (delta: 13.5MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB.
* BuchiAutomizer took 8515.38ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 107.7MB in the beginning and 167.3MB in the end (delta: -59.6MB). Peak memory consumption was 89.8MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * i + M1 and consists of 2 locations. One deterministic module has affine ranking function -1 * i + M1 and consists of 2 locations. One deterministic module has affine ranking function -1 * i + M1 and consists of 2 locations. The remainder module has 38 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 8.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 27 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 8 mSDtfsCounter, 55 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax260 hnf100 lsp25 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 49ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.2s InitialAbstractionConstructionTime: 2.7s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- FixpointNonTerminationResult [Line: 52]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite execution
State at position 0 is
{}
State at position 1 is
{\old(cond)=1, \result={0:0}, \result=0, \result={0:0}, cond=1, counter=0, i=0, i=0, M1=1, M2=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22eda8aa in0,0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a914d53 in0,31385, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37c41e5f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@683435a8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@48a6b4e8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@74d2b174=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@2fc8eb49=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@53505a3c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@57bbf632=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@5c81a872=0, t1={8359:0}, t2={8360:0}}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 52]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L38] 0 int M1, M2, counter;
[L65] 0 pthread_t t1, t2;
[L67] 0 M1 = __VERIFIER_nondet_int()
[L68] 0 M2 = __VERIFIER_nondet_int()
[L69] CALL 0 assume_abort_if_not(M1 > 0 && M2 > 0)
[L35] COND FALSE 0 !(!cond)
[L69] RET 0 assume_abort_if_not(M1 > 0 && M2 > 0)
[L72] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0)
[L73] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0)
[L51] 2 int i = 0;
Loop:
[L52] COND TRUE i < M2
[L54] COND FALSE !(counter > 0)
End of lasso representation.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 2.7s, 82 PlacesBefore, 20 PlacesAfterwards, 81 TransitionsBefore, 15 TransitionsAfterwards, 404 CoEnabledTransitionPairs, 7 FixpointIterations, 48 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 4 ConcurrentYvCompositions, 4 ChoiceCompositions, 75 TotalNumberOfCompositions, 457 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 454, positive: 453, positive conditional: 0, positive unconditional: 453, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 216, positive: 215, positive conditional: 0, positive unconditional: 215, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 454, positive: 238, positive conditional: 0, positive unconditional: 238, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 216, unknown conditional: 0, unknown unconditional: 216] , Statistics on independence cache: Total cache size (in pairs): 19, Positive cache size: 19, Positive conditional cache size: 0, Positive unconditional cache size: 19, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0
RESULT: Ultimate proved your program to be incorrect!
[2022-07-22 12:50:33,249 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...