/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...
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[2022-07-22 12:50:21,995 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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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...