/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/test-easy1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:51:45,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:51:45,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:51:46,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-22 12:51:46,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:51:46,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:51:46,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:51:46,151 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 12:51:46,200 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:51:46,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:51:46,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:51:46,201 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:51:46,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:51:46,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:51:46,203 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:51:46,204 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:51:46,204 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:51:46,205 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:51:46,205 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:51:46,205 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:51:46,206 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:51:46,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:51:46,206 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:51:46,206 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:51:46,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:51:46,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:51:46,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:51:46,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:51:46,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:51:46,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:51:46,208 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:51:46,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:51:46,208 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:51:46,208 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:51:46,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:51:46,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:51:46,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:51:46,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:51:46,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:51:46,210 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-22 12:51:46,213 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:51:46,213 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:51:46,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:51:46,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:51:46,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:51:46,634 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:51:46,635 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:51:46,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy1.wvr.c [2022-07-22 12:51:46,728 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf5ffa524/d69d375f73fb437bb8f1b7365811dc71/FLAGcfad20f24 [2022-07-22 12:51:47,370 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:51:47,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy1.wvr.c [2022-07-22 12:51:47,379 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf5ffa524/d69d375f73fb437bb8f1b7365811dc71/FLAGcfad20f24 [2022-07-22 12:51:47,716 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf5ffa524/d69d375f73fb437bb8f1b7365811dc71 [2022-07-22 12:51:47,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:51:47,726 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:51:47,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:51:47,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:51:47,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:51:47,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:51:47" (1/1) ... [2022-07-22 12:51:47,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79085701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:47, skipping insertion in model container [2022-07-22 12:51:47,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:51:47" (1/1) ... [2022-07-22 12:51:47,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:51:47,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:51:47,955 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/test-easy1.wvr.c[1876,1889] [2022-07-22 12:51:47,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:51:47,965 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:51:47,986 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/test-easy1.wvr.c[1876,1889] [2022-07-22 12:51:47,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:51:48,004 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:51:48,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:48 WrapperNode [2022-07-22 12:51:48,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:51:48,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:51:48,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:51:48,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:51:48,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:48" (1/1) ... [2022-07-22 12:51:48,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:48" (1/1) ... [2022-07-22 12:51:48,044 INFO L137 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2022-07-22 12:51:48,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:51:48,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:51:48,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:51:48,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:51:48,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:48" (1/1) ... [2022-07-22 12:51:48,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:48" (1/1) ... [2022-07-22 12:51:48,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:48" (1/1) ... [2022-07-22 12:51:48,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:48" (1/1) ... [2022-07-22 12:51:48,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:48" (1/1) ... [2022-07-22 12:51:48,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:48" (1/1) ... [2022-07-22 12:51:48,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:48" (1/1) ... [2022-07-22 12:51:48,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:51:48,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:51:48,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:51:48,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:51:48,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:48" (1/1) ... [2022-07-22 12:51:48,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:48,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:48,112 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 12:51:48,125 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 12:51:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:51:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-22 12:51:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-22 12:51:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-22 12:51:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-22 12:51:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:51:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:51:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:51:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:51:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:51:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:51:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:51:48,187 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 12:51:48,277 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:51:48,279 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:51:48,580 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:51:48,596 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:51:48,596 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 12:51:48,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:51:48 BoogieIcfgContainer [2022-07-22 12:51:48,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:51:48,602 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:51:48,602 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:51:48,607 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:51:48,608 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:51:48,609 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:51:47" (1/3) ... [2022-07-22 12:51:48,610 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e13cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:51:48, skipping insertion in model container [2022-07-22 12:51:48,611 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:51:48,611 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:48" (2/3) ... [2022-07-22 12:51:48,611 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e13cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:51:48, skipping insertion in model container [2022-07-22 12:51:48,612 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:51:48,612 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:51:48" (3/3) ... [2022-07-22 12:51:48,613 INFO L322 chiAutomizerObserver]: Analyzing ICFG test-easy1.wvr.c [2022-07-22 12:51:48,775 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-22 12:51:48,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 83 transitions, 182 flow [2022-07-22 12:51:48,964 INFO L129 PetriNetUnfolder]: 6/79 cut-off events. [2022-07-22 12:51:48,964 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-22 12:51:48,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 79 events. 6/79 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 40 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2022-07-22 12:51:48,974 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 83 transitions, 182 flow [2022-07-22 12:51:48,983 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 79 transitions, 170 flow [2022-07-22 12:51:48,987 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-22 12:51:48,999 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 79 transitions, 170 flow [2022-07-22 12:51:49,002 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 79 transitions, 170 flow [2022-07-22 12:51:49,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 79 transitions, 170 flow [2022-07-22 12:51:49,020 INFO L129 PetriNetUnfolder]: 6/79 cut-off events. [2022-07-22 12:51:49,021 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-22 12:51:49,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 79 events. 6/79 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 40 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2022-07-22 12:51:49,023 INFO L116 LiptonReduction]: Number of co-enabled transitions 368 [2022-07-22 12:51:51,671 INFO L131 LiptonReduction]: Checked pairs total: 364 [2022-07-22 12:51:51,671 INFO L133 LiptonReduction]: Total number of compositions: 80 [2022-07-22 12:51:51,692 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:51:51,692 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:51:51,693 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:51:51,693 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:51:51,693 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:51:51,693 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:51:51,693 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:51:51,694 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:51:51,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 12:51:51,729 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 10 [2022-07-22 12:51:51,729 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:51:51,729 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:51:51,736 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 12:51:51,736 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:51:51,736 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 12:51:51,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 19 states, but on-demand construction may add more states [2022-07-22 12:51:51,739 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 10 [2022-07-22 12:51:51,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:51:51,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:51:51,740 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 12:51:51,740 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:51:51,746 INFO L748 eck$LassoCheckResult]: Stem: 85#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, 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, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 88#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 90#[L41-1, L64-4]don't care [2022-07-22 12:51:51,747 INFO L750 eck$LassoCheckResult]: Loop: 90#[L41-1, L64-4]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 90#[L41-1, L64-4]don't care [2022-07-22 12:51:51,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:51,753 INFO L85 PathProgramCache]: Analyzing trace with hash 9998, now seen corresponding path program 1 times [2022-07-22 12:51:51,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:51,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383121368] [2022-07-22 12:51:51,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:51,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:51,897 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:51,939 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:51,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:51,943 INFO L85 PathProgramCache]: Analyzing trace with hash 294, now seen corresponding path program 1 times [2022-07-22 12:51:51,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:51,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735123256] [2022-07-22 12:51:51,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:51,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:51,950 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:51,955 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:51,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:51,957 INFO L85 PathProgramCache]: Analyzing trace with hash 310201, now seen corresponding path program 1 times [2022-07-22 12:51:51,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:51,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077542289] [2022-07-22 12:51:51,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:51,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:51,986 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:52,030 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:52,079 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:51:52,080 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:51:52,080 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:51:52,081 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:51:52,081 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:51:52,081 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:52,081 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:51:52,081 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:51:52,081 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration1_Loop [2022-07-22 12:51:52,082 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:51:52,082 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:51:52,104 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 12:51:52,110 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 12:51:52,116 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 12:51:52,118 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 12:51:52,121 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 12:51:52,123 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 12:51:52,179 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:51:52,179 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:51:52,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:52,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:52,189 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 12:51:52,196 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 12:51:52,197 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:52,204 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:52,224 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:52,224 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 12:51:52,263 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 12:51:52,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:52,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:52,265 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 12:51:52,270 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:52,270 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:52,280 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 12:51:52,334 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 12:51:52,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:52,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:52,338 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 12:51:52,341 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 12:51:52,342 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:51:52,342 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:52,402 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:51:52,409 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 12:51:52,409 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:51:52,410 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:51:52,410 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:51:52,410 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:51:52,410 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:51:52,410 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:52,410 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:51:52,411 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:51:52,411 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration1_Loop [2022-07-22 12:51:52,411 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:51:52,411 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:51:52,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:51:52,417 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 12:51:52,419 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 12:51:52,422 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 12:51:52,427 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 12:51:52,430 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 12:51:52,477 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:51:52,488 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:51:52,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:52,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:52,504 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 12:51:52,528 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 12:51:52,531 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 12:51:52,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:52,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:52,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:52,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:52,545 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:51:52,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:51:52,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:52,612 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 12:51:52,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:52,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:52,615 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 12:51:52,626 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 12:51:52,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:52,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:52,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:52,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:52,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:51:52,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:51:52,649 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 12:51:52,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:52,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:52,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:52,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:52,702 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 12:51:52,708 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 12:51:52,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:52,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:52,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:52,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:52,722 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:51:52,722 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:51:52,728 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 12:51:52,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:52,780 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 12:51:52,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:52,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:52,783 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 12:51:52,789 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 12:51:52,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:52,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:51:52,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:52,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:52,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:52,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:51:52,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:51:52,804 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 12:51:52,813 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:51:52,817 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:51:52,817 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:51:52,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:52,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:52,822 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 12:51:52,825 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:51:52,826 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:51:52,826 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:51:52,826 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x1~0) = -2*~x1~0 + 19999 Supporting invariants [] [2022-07-22 12:51:52,844 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 12:51:52,867 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 12:51:52,870 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:51:52,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:52,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:51:52,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:52,950 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:51:52,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:52,951 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 12:51:52,985 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 12:51:52,988 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 19 states, but on-demand construction may add more states Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 12:51:53,032 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 19 states, but on-demand construction may add more states. Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 22 states and 46 transitions. Complement of second has 3 states. [2022-07-22 12:51:53,035 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 12:51:53,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 12:51:53,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2022-07-22 12:51:53,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 2 letters. Loop has 1 letters. [2022-07-22 12:51:53,043 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:53,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-22 12:51:53,043 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:53,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 2 letters. Loop has 2 letters. [2022-07-22 12:51:53,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:53,045 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 46 transitions. [2022-07-22 12:51:53,047 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 9 [2022-07-22 12:51:53,052 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 16 states and 35 transitions. [2022-07-22 12:51:53,053 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-07-22 12:51:53,054 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-22 12:51:53,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 35 transitions. [2022-07-22 12:51:53,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:51:53,056 INFO L220 hiAutomatonCegarLoop]: Abstraction has 16 states and 35 transitions. [2022-07-22 12:51:53,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 35 transitions. [2022-07-22 12:51:53,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2022-07-22 12:51:53,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 14 states have internal predecessors, (32), 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 12:51:53,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 32 transitions. [2022-07-22 12:51:53,089 INFO L242 hiAutomatonCegarLoop]: Abstraction has 15 states and 32 transitions. [2022-07-22 12:51:53,089 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 32 transitions. [2022-07-22 12:51:53,089 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 12:51:53,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 32 transitions. [2022-07-22 12:51:53,091 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 9 [2022-07-22 12:51:53,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:51:53,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:51:53,091 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-22 12:51:53,091 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:51:53,092 INFO L748 eck$LassoCheckResult]: Stem: 179#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, 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, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 181#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 191#[L41-1, L64-4]don't care [269] L64-4-->L65-3: Formula: (and (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= (store |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre7#1_19|)) |v_#memory_int_41|) (= |v_ULTIMATE.start_main_#t~pre7#1_19| |v_#pthreadsForks_32|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_32|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_42|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_19|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet6#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 173#[L41-1, L65-3]don't care [2022-07-22 12:51:53,092 INFO L750 eck$LassoCheckResult]: Loop: 173#[L41-1, L65-3]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 173#[L41-1, L65-3]don't care [2022-07-22 12:51:53,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:53,093 INFO L85 PathProgramCache]: Analyzing trace with hash 310207, now seen corresponding path program 1 times [2022-07-22 12:51:53,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:53,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234733189] [2022-07-22 12:51:53,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:53,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:53,120 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:53,140 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:53,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:53,141 INFO L85 PathProgramCache]: Analyzing trace with hash 294, now seen corresponding path program 2 times [2022-07-22 12:51:53,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:53,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268336964] [2022-07-22 12:51:53,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:53,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:53,146 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:53,149 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:53,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:53,150 INFO L85 PathProgramCache]: Analyzing trace with hash 9616680, now seen corresponding path program 1 times [2022-07-22 12:51:53,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:53,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312159552] [2022-07-22 12:51:53,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:53,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:53,175 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:53,203 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:53,219 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:51:53,220 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:51:53,220 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:51:53,220 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:51:53,220 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:51:53,220 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:53,220 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:51:53,221 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:51:53,221 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration2_Loop [2022-07-22 12:51:53,221 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:51:53,221 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:51:53,222 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 12:51:53,227 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 12:51:53,229 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 12:51:53,231 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 12:51:53,233 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 12:51:53,237 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 12:51:53,280 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:51:53,280 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:51:53,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:53,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:53,281 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 12:51:53,290 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:53,291 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:53,296 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 12:51:53,314 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:53,315 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 12:51:53,354 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 12:51:53,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:53,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:53,356 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 12:51:53,361 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:53,361 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:53,376 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 12:51:53,381 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:53,381 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 12:51:53,416 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 12:51:53,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:53,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:53,418 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 12:51:53,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:53,444 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:53,445 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 12:51:53,481 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:53,481 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 12:51:53,526 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 12:51:53,532 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 12:51:53,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:53,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:53,534 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 12:51:53,540 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:53,540 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:53,550 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 12:51:53,559 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:53,559 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 12:51:53,596 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 12:51:53,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:53,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:53,598 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 12:51:53,601 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 12:51:53,601 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:53,602 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:53,654 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 12:51:53,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:53,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:53,658 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 12:51:53,664 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:51:53,665 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:53,684 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 12:51:53,732 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:51:53,740 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 12:51:53,741 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:51:53,741 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:51:53,741 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:51:53,741 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:51:53,741 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:51:53,741 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:53,742 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:51:53,742 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:51:53,742 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration2_Loop [2022-07-22 12:51:53,742 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:51:53,742 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:51:53,744 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 12:51:53,750 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 12:51:53,753 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 12:51:53,755 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 12:51:53,757 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 12:51:53,762 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 12:51:53,798 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:51:53,798 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:51:53,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:53,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:53,800 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 12:51:53,809 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 12:51:53,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:53,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:53,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:53,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:53,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:51:53,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:51:53,824 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 12:51:53,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:53,866 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 12:51:53,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:53,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:53,868 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 12:51:53,871 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 12:51:53,871 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 12:51:53,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:53,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:53,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:53,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:53,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:51:53,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:51:53,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:53,924 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 12:51:53,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:53,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:53,925 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 12:51:53,927 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 12:51:53,927 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 12:51:53,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:53,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:53,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:53,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:53,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:51:53,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:51:53,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:53,997 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 12:51:53,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:53,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:53,999 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 12:51:54,000 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 12:51:54,002 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 12:51:54,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:54,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:51:54,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:54,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:54,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:54,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:51:54,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:51:54,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:54,042 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 12:51:54,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:54,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:54,044 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 12:51:54,048 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 12:51:54,048 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 12:51:54,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:54,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:51:54,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:54,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:54,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:54,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:51:54,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:51:54,060 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:51:54,063 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:51:54,063 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:51:54,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:54,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:54,082 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 12:51:54,125 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:51:54,125 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:51:54,125 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:51:54,126 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x1~0) = -2*~x1~0 + 19999 Supporting invariants [] [2022-07-22 12:51:54,127 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 12:51:54,178 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 12:51:54,179 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:51:54,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:54,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:51:54,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:54,217 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:51:54,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:54,217 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 12:51:54,218 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 12:51:54,218 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 32 transitions. cyclomatic complexity: 27 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 12:51:54,237 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 32 transitions. cyclomatic complexity: 27. 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 19 states and 43 transitions. Complement of second has 3 states. [2022-07-22 12:51:54,238 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 12:51:54,238 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 12:51:54,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. [2022-07-22 12:51:54,239 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-22 12:51:54,239 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:54,239 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-22 12:51:54,239 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:54,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2022-07-22 12:51:54,240 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:54,240 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 43 transitions. [2022-07-22 12:51:54,241 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-22 12:51:54,242 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 43 transitions. [2022-07-22 12:51:54,243 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-07-22 12:51:54,243 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-07-22 12:51:54,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 43 transitions. [2022-07-22 12:51:54,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:51:54,244 INFO L220 hiAutomatonCegarLoop]: Abstraction has 19 states and 43 transitions. [2022-07-22 12:51:54,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 43 transitions. [2022-07-22 12:51:54,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 16. [2022-07-22 12:51:54,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 2.1875) internal successors, (35), 15 states have internal predecessors, (35), 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 12:51:54,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 35 transitions. [2022-07-22 12:51:54,247 INFO L242 hiAutomatonCegarLoop]: Abstraction has 16 states and 35 transitions. [2022-07-22 12:51:54,247 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 35 transitions. [2022-07-22 12:51:54,247 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 12:51:54,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 35 transitions. [2022-07-22 12:51:54,248 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-22 12:51:54,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:51:54,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:51:54,249 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 12:51:54,249 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:51:54,249 INFO L748 eck$LassoCheckResult]: Stem: 258#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, 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, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 260#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 270#[L41-1, L64-4]don't care [269] L64-4-->L65-3: Formula: (and (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= (store |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre7#1_19|)) |v_#memory_int_41|) (= |v_ULTIMATE.start_main_#t~pre7#1_19| |v_#pthreadsForks_32|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_32|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_42|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_19|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet6#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 250#[L41-1, L65-3]don't care [205] L65-3-->L49-1: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre7#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_8|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~post2, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 256#[L41-1, L49-1, L65-4]don't care [2022-07-22 12:51:54,250 INFO L750 eck$LassoCheckResult]: Loop: 256#[L41-1, L49-1, L65-4]don't care [260] L49-1-->L49-1: Formula: (and (= (+ v_~x2~0_32 1) v_~x2~0_31) (< v_~x2~0_32 10000)) InVars {~x2~0=v_~x2~0_32} OutVars{~x2~0=v_~x2~0_31, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_15|} AuxVars[] AssignedVars[~x2~0, thread2Thread1of1ForFork1_#t~post2] 256#[L41-1, L49-1, L65-4]don't care [2022-07-22 12:51:54,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:54,250 INFO L85 PathProgramCache]: Analyzing trace with hash 9616622, now seen corresponding path program 1 times [2022-07-22 12:51:54,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:54,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390009574] [2022-07-22 12:51:54,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:54,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:54,280 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:54,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:54,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:54,326 INFO L85 PathProgramCache]: Analyzing trace with hash 291, now seen corresponding path program 1 times [2022-07-22 12:51:54,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:54,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811887868] [2022-07-22 12:51:54,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:54,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:54,332 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:54,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:54,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:54,336 INFO L85 PathProgramCache]: Analyzing trace with hash 298115542, now seen corresponding path program 1 times [2022-07-22 12:51:54,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:54,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523218874] [2022-07-22 12:51:54,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:54,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:54,366 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:54,383 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:54,395 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:51:54,395 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:51:54,395 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:51:54,395 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:51:54,395 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:51:54,396 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:54,396 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:51:54,396 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:51:54,396 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration3_Loop [2022-07-22 12:51:54,396 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:51:54,396 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:51:54,397 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 12:51:54,400 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 12:51:54,402 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 12:51:54,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:51:54,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:51:54,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:51:54,453 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:51:54,453 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:51:54,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:54,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:54,454 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 12:51:54,462 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:54,462 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:54,476 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 12:51:54,485 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:54,485 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 12:51:54,526 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 12:51:54,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:54,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:54,528 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 12:51:54,530 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:54,531 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:54,545 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 12:51:54,550 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:54,550 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_5=1} Honda state: {v_rep#funAddr~thread2.offset_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:51:54,591 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 12:51:54,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:54,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:54,593 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 12:51:54,599 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:54,600 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:54,614 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 12:51:54,618 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:54,618 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_5=-1} Honda state: {v_rep#funAddr~thread2.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:51:54,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:54,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:54,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:54,656 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 12:51:54,659 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:54,659 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:54,669 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 12:51:54,710 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 12:51:54,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:54,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:54,712 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 12:51:54,714 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:51:54,714 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:54,730 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 12:51:54,752 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:51:54,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:54,760 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:51:54,760 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:51:54,761 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:51:54,761 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:51:54,761 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:51:54,761 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:54,761 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:51:54,761 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:51:54,761 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration3_Loop [2022-07-22 12:51:54,761 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:51:54,761 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:51:54,763 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 12:51:54,766 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 12:51:54,768 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 12:51:54,770 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 12:51:54,772 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 12:51:54,777 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 12:51:54,823 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:51:54,824 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:51:54,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:54,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:54,825 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 12:51:54,834 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 12:51:54,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:54,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:54,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:54,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:54,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:51:54,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:51:54,850 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 12:51:54,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:54,892 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 12:51:54,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:54,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:54,894 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 12:51:54,897 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 12:51:54,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:54,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:54,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:54,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:54,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:51:54,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:51:54,912 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 12:51:54,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:54,954 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 12:51:54,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:54,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:54,955 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 12:51:54,959 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 12:51:54,959 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 12:51:54,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:54,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:51:54,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:54,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:54,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:54,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:51:54,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:51:54,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:54,996 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 12:51:54,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:54,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:54,997 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 12:51:55,000 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 12:51:55,001 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 12:51:55,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:55,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:55,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:55,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:55,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:51:55,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:51:55,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:55,073 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 12:51:55,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:55,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:55,075 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 12:51:55,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:51:55,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:55,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:51:55,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:55,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:55,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:55,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:51:55,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:51:55,096 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 12:51:55,104 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:51:55,110 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:51:55,110 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:51:55,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:55,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:55,116 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 12:51:55,122 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:51:55,122 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:51:55,122 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:51:55,123 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x2~0) = -2*~x2~0 + 19999 Supporting invariants [] [2022-07-22 12:51:55,136 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 12:51:55,160 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 12:51:55,161 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:51:55,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:55,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:51:55,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:55,217 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:51:55,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:55,217 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 12:51:55,219 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 12:51:55,220 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 35 transitions. cyclomatic complexity: 29 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 12:51:55,263 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 35 transitions. cyclomatic complexity: 29. 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 25 states and 64 transitions. Complement of second has 3 states. [2022-07-22 12:51:55,264 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 12:51:55,267 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 12:51:55,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2022-07-22 12:51:55,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-22 12:51:55,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:55,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 12:51:55,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:55,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-22 12:51:55,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:55,269 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 64 transitions. [2022-07-22 12:51:55,278 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-22 12:51:55,281 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 64 transitions. [2022-07-22 12:51:55,281 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-07-22 12:51:55,282 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2022-07-22 12:51:55,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 64 transitions. [2022-07-22 12:51:55,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:51:55,285 INFO L220 hiAutomatonCegarLoop]: Abstraction has 25 states and 64 transitions. [2022-07-22 12:51:55,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 64 transitions. [2022-07-22 12:51:55,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 20. [2022-07-22 12:51:55,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 2.45) internal successors, (49), 19 states have internal predecessors, (49), 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 12:51:55,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 49 transitions. [2022-07-22 12:51:55,292 INFO L242 hiAutomatonCegarLoop]: Abstraction has 20 states and 49 transitions. [2022-07-22 12:51:55,292 INFO L425 stractBuchiCegarLoop]: Abstraction has 20 states and 49 transitions. [2022-07-22 12:51:55,292 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-22 12:51:55,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 49 transitions. [2022-07-22 12:51:55,295 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-22 12:51:55,295 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:51:55,295 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:51:55,295 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 12:51:55,296 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:51:55,296 INFO L748 eck$LassoCheckResult]: Stem: 338#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, 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, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 340#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 364#[L41-1, L64-4]don't care [269] L64-4-->L65-3: Formula: (and (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= (store |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre7#1_19|)) |v_#memory_int_41|) (= |v_ULTIMATE.start_main_#t~pre7#1_19| |v_#pthreadsForks_32|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_32|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_42|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_19|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet6#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 342#[L41-1, L65-3]don't care [205] L65-3-->L49-1: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre7#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_8|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~post2, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 348#[L41-1, L49-1, L65-4]don't care [257] L65-4-->L66-1: Formula: (and (= (select |v_#valid_60| |v_ULTIMATE.start_main_~#t1~0#1.base_21|) 1) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_17|) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_17|) (select |v_#length_35| |v_ULTIMATE.start_main_~#t1~0#1.base_21|)) (= (select (select |v_#memory_int_29| |v_ULTIMATE.start_main_~#t1~0#1.base_21|) |v_ULTIMATE.start_main_~#t1~0#1.offset_17|) |v_ULTIMATE.start_main_#t~mem9#1_12|)) InVars {#valid=|v_#valid_60|, #memory_int=|v_#memory_int_29|, #length=|v_#length_35|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_21|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_17|} OutVars{ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_7|, #valid=|v_#valid_60|, #memory_int=|v_#memory_int_29|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_12|, #length=|v_#length_35|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_15|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_21|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~mem9#1, ULTIMATE.start_main_#t~pre7#1] 352#[L41-1, L66-1, L49-1]don't care [2022-07-22 12:51:55,300 INFO L750 eck$LassoCheckResult]: Loop: 352#[L41-1, L66-1, L49-1]don't care [260] L49-1-->L49-1: Formula: (and (= (+ v_~x2~0_32 1) v_~x2~0_31) (< v_~x2~0_32 10000)) InVars {~x2~0=v_~x2~0_32} OutVars{~x2~0=v_~x2~0_31, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_15|} AuxVars[] AssignedVars[~x2~0, thread2Thread1of1ForFork1_#t~post2] 352#[L41-1, L66-1, L49-1]don't care [2022-07-22 12:51:55,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:55,301 INFO L85 PathProgramCache]: Analyzing trace with hash 298115539, now seen corresponding path program 1 times [2022-07-22 12:51:55,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:55,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517683106] [2022-07-22 12:51:55,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:55,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:55,338 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:55,355 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:55,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:55,355 INFO L85 PathProgramCache]: Analyzing trace with hash 291, now seen corresponding path program 2 times [2022-07-22 12:51:55,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:55,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017356191] [2022-07-22 12:51:55,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:55,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:55,360 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:55,363 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:55,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:55,363 INFO L85 PathProgramCache]: Analyzing trace with hash 651647377, now seen corresponding path program 1 times [2022-07-22 12:51:55,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:55,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804797313] [2022-07-22 12:51:55,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:55,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:55,380 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:55,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:55,407 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:51:55,407 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:51:55,407 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:51:55,407 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:51:55,408 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:51:55,408 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:55,408 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:51:55,408 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:51:55,408 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration4_Loop [2022-07-22 12:51:55,408 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:51:55,408 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:51:55,409 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 12:51:55,411 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 12:51:55,413 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 12:51:55,415 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 12:51:55,423 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 12:51:55,427 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 12:51:55,469 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:51:55,469 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:51:55,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:55,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:55,472 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 12:51:55,478 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 12:51:55,479 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:55,479 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:55,501 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:55,502 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_7=-1} Honda state: {v_rep#funAddr~thread2.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:51:55,539 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 12:51:55,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:55,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:55,541 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 12:51:55,543 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:55,543 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:55,558 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 12:51:55,564 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:55,564 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_7=-1} Honda state: {v_rep#funAddr~thread1.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:51:55,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:55,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:55,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:55,595 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 12:51:55,596 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 12:51:55,597 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:55,597 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:55,611 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:55,611 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_7=0} Honda state: {v_rep#funAddr~thread1.offset_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:51:55,632 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-07-22 12:51:55,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:55,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:55,634 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 12:51:55,640 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:55,640 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:55,655 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 12:51:55,657 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:55,657 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_7=1} Honda state: {v_rep#funAddr~thread2.offset_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:51:55,678 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 12:51:55,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:55,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:55,680 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 12:51:55,681 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 12:51:55,681 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:55,682 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:55,736 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 12:51:55,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:55,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:55,737 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 12:51:55,739 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:51:55,739 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:55,755 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 12:51:55,799 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:51:55,804 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 12:51:55,805 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:51:55,805 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:51:55,805 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:51:55,805 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:51:55,805 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:51:55,805 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:55,805 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:51:55,805 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:51:55,805 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration4_Loop [2022-07-22 12:51:55,805 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:51:55,806 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:51:55,807 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 12:51:55,810 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 12:51:55,814 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 12:51:55,816 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 12:51:55,819 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 12:51:55,822 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 12:51:55,866 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:51:55,867 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:51:55,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:55,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:55,868 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 12:51:55,877 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 12:51:55,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:55,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:55,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:55,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:55,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:51:55,889 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:51:55,893 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 12:51:55,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:55,939 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 12:51:55,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:55,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:55,941 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 12:51:55,946 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 12:51:55,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:55,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:55,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:55,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:55,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:51:55,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:51:55,962 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 12:51:55,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:56,014 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 12:51:56,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:56,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:56,016 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:56,019 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 12:51:56,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:56,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:56,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:56,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:56,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:51:56,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:51:56,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-22 12:51:56,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:56,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:56,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:56,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:56,094 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:56,096 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 12:51:56,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-07-22 12:51:56,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:56,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:51:56,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:56,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:56,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:56,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:51:56,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:51:56,121 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:51:56,124 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:51:56,124 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:51:56,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:56,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:56,131 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:56,132 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:51:56,132 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:51:56,132 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:51:56,132 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x2~0) = -2*~x2~0 + 19999 Supporting invariants [] [2022-07-22 12:51:56,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-07-22 12:51:56,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:56,171 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:51:56,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:56,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:51:56,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:56,257 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:51:56,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:56,258 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 12:51:56,259 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 12:51:56,259 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 49 transitions. cyclomatic complexity: 41 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 12:51:56,289 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 49 transitions. cyclomatic complexity: 41. 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 29 states and 71 transitions. Complement of second has 3 states. [2022-07-22 12:51:56,290 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 12:51:56,291 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 12:51:56,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 10 transitions. [2022-07-22 12:51:56,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 12:51:56,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:56,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-22 12:51:56,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:56,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-22 12:51:56,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:56,295 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 71 transitions. [2022-07-22 12:51:56,297 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-22 12:51:56,300 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 71 transitions. [2022-07-22 12:51:56,300 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-07-22 12:51:56,301 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-07-22 12:51:56,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 71 transitions. [2022-07-22 12:51:56,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:51:56,302 INFO L220 hiAutomatonCegarLoop]: Abstraction has 29 states and 71 transitions. [2022-07-22 12:51:56,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 71 transitions. [2022-07-22 12:51:56,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 24. [2022-07-22 12:51:56,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 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 12:51:56,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 61 transitions. [2022-07-22 12:51:56,306 INFO L242 hiAutomatonCegarLoop]: Abstraction has 24 states and 61 transitions. [2022-07-22 12:51:56,306 INFO L425 stractBuchiCegarLoop]: Abstraction has 24 states and 61 transitions. [2022-07-22 12:51:56,307 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-22 12:51:56,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 61 transitions. [2022-07-22 12:51:56,308 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-22 12:51:56,308 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:51:56,308 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:51:56,308 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 12:51:56,308 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:51:56,309 INFO L748 eck$LassoCheckResult]: Stem: 441#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, 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, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 443#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 463#[L41-1, L64-4]don't care [269] L64-4-->L65-3: Formula: (and (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= (store |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre7#1_19|)) |v_#memory_int_41|) (= |v_ULTIMATE.start_main_#t~pre7#1_19| |v_#pthreadsForks_32|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_32|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_42|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_19|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet6#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 445#[L41-1, L65-3]don't care [205] L65-3-->L49-1: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre7#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_8|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~post2, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 451#[L41-1, L49-1, L65-4]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 453#[L41-1, L49-1, L65-4]don't care [2022-07-22 12:51:56,309 INFO L750 eck$LassoCheckResult]: Loop: 453#[L41-1, L49-1, L65-4]don't care [260] L49-1-->L49-1: Formula: (and (= (+ v_~x2~0_32 1) v_~x2~0_31) (< v_~x2~0_32 10000)) InVars {~x2~0=v_~x2~0_32} OutVars{~x2~0=v_~x2~0_31, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_15|} AuxVars[] AssignedVars[~x2~0, thread2Thread1of1ForFork1_#t~post2] 453#[L41-1, L49-1, L65-4]don't care [2022-07-22 12:51:56,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:56,310 INFO L85 PathProgramCache]: Analyzing trace with hash 298115545, now seen corresponding path program 1 times [2022-07-22 12:51:56,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:56,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590139506] [2022-07-22 12:51:56,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:56,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:56,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:56,330 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:56,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:56,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:56,343 INFO L85 PathProgramCache]: Analyzing trace with hash 291, now seen corresponding path program 3 times [2022-07-22 12:51:56,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:56,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138931528] [2022-07-22 12:51:56,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:56,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:56,346 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:56,349 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:56,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:56,350 INFO L85 PathProgramCache]: Analyzing trace with hash 651647563, now seen corresponding path program 1 times [2022-07-22 12:51:56,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:56,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567691289] [2022-07-22 12:51:56,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:56,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:56,366 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:56,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:56,391 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:51:56,391 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:51:56,391 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:51:56,391 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:51:56,391 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:51:56,391 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:56,391 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:51:56,392 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:51:56,392 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration5_Loop [2022-07-22 12:51:56,392 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:51:56,392 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:51:56,393 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 12:51:56,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:51:56,396 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 12:51:56,413 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 12:51:56,417 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 12:51:56,423 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 12:51:56,426 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 12:51:56,468 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:51:56,468 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:51:56,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:56,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:56,469 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:56,473 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 12:51:56,488 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:56,488 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:56,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-07-22 12:51:56,508 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:56,508 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_9=0} Honda state: {v_rep#funAddr~thread1.offset_9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:51:56,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:56,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:56,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:56,544 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:56,547 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:56,547 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:56,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-07-22 12:51:56,569 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:56,570 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_9=-1} Honda state: {v_rep#funAddr~thread2.base_9=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:51:56,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:56,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:56,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:56,606 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:56,608 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:56,608 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:56,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-07-22 12:51:56,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:56,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:56,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:56,664 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:56,667 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:51:56,667 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:56,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-07-22 12:51:56,714 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:51:56,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:56,717 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:51:56,718 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:51:56,718 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:51:56,718 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:51:56,718 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:51:56,718 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:56,718 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:51:56,718 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:51:56,718 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration5_Loop [2022-07-22 12:51:56,719 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:51:56,719 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:51:56,720 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 12:51:56,725 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 12:51:56,730 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 12:51:56,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:51:56,735 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 12:51:56,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:51:56,783 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:51:56,784 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:51:56,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:56,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:56,785 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:56,790 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 12:51:56,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:56,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:51:56,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:56,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:56,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:56,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:51:56,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:51:56,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-07-22 12:51:56,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:56,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:56,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:56,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:56,847 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:56,850 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 12:51:56,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:56,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:51:56,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:56,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:56,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:56,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:51:56,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:51:56,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-07-22 12:51:56,871 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:51:56,876 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:51:56,876 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:51:56,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:56,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:56,877 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:56,885 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:51:56,885 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:51:56,886 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:51:56,886 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x2~0) = -2*~x2~0 + 19999 Supporting invariants [] [2022-07-22 12:51:56,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-07-22 12:51:56,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-07-22 12:51:56,921 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:51:56,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:56,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:51:56,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:56,971 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:51:56,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:56,972 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 12:51:56,972 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 12:51:56,973 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 61 transitions. cyclomatic complexity: 51 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 12:51:57,025 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 61 transitions. cyclomatic complexity: 51. 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 56 states and 149 transitions. Complement of second has 3 states. [2022-07-22 12:51:57,026 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 12:51:57,030 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 12:51:57,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 12 transitions. [2022-07-22 12:51:57,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 12:51:57,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:57,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-22 12:51:57,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:57,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-22 12:51:57,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:57,032 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 149 transitions. [2022-07-22 12:51:57,043 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 12 [2022-07-22 12:51:57,046 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 56 states and 149 transitions. [2022-07-22 12:51:57,047 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2022-07-22 12:51:57,048 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2022-07-22 12:51:57,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 149 transitions. [2022-07-22 12:51:57,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:51:57,051 INFO L220 hiAutomatonCegarLoop]: Abstraction has 56 states and 149 transitions. [2022-07-22 12:51:57,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 149 transitions. [2022-07-22 12:51:57,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 31. [2022-07-22 12:51:57,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 2.967741935483871) internal successors, (92), 30 states have internal predecessors, (92), 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 12:51:57,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 92 transitions. [2022-07-22 12:51:57,063 INFO L242 hiAutomatonCegarLoop]: Abstraction has 31 states and 92 transitions. [2022-07-22 12:51:57,063 INFO L425 stractBuchiCegarLoop]: Abstraction has 31 states and 92 transitions. [2022-07-22 12:51:57,063 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-22 12:51:57,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 92 transitions. [2022-07-22 12:51:57,067 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-22 12:51:57,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:51:57,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:51:57,068 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 12:51:57,068 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:51:57,069 INFO L748 eck$LassoCheckResult]: Stem: 587#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, 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, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 589#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 603#[L41-1, L64-4]don't care [269] L64-4-->L65-3: Formula: (and (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= (store |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre7#1_19|)) |v_#memory_int_41|) (= |v_ULTIMATE.start_main_#t~pre7#1_19| |v_#pthreadsForks_32|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_32|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_42|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_19|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet6#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 609#[L41-1, L65-3]don't care [205] L65-3-->L49-1: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre7#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_8|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~post2, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 629#[L41-1, L49-1, L65-4]don't care [247] L49-1-->thread2EXIT: Formula: (and (not (< v_~x2~0_23 10000)) (= |v_thread2Thread1of1ForFork1_#res.base_9| 0) (= |v_thread2Thread1of1ForFork1_#res.offset_9| 0)) InVars {~x2~0=v_~x2~0_23} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_9|, ~x2~0=v_~x2~0_23, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#res.base] 595#[L41-1, thread2EXIT, L65-4]don't care [2022-07-22 12:51:57,069 INFO L750 eck$LassoCheckResult]: Loop: 595#[L41-1, thread2EXIT, L65-4]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 595#[L41-1, thread2EXIT, L65-4]don't care [2022-07-22 12:51:57,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:57,069 INFO L85 PathProgramCache]: Analyzing trace with hash 298115529, now seen corresponding path program 1 times [2022-07-22 12:51:57,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:57,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913904500] [2022-07-22 12:51:57,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:57,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:57,086 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:57,099 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:57,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:57,100 INFO L85 PathProgramCache]: Analyzing trace with hash 294, now seen corresponding path program 3 times [2022-07-22 12:51:57,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:57,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574113398] [2022-07-22 12:51:57,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:57,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:57,104 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:57,107 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:57,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:57,107 INFO L85 PathProgramCache]: Analyzing trace with hash 651647070, now seen corresponding path program 1 times [2022-07-22 12:51:57,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:57,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299508201] [2022-07-22 12:51:57,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:57,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:57,182 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 12:51:57,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:51:57,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299508201] [2022-07-22 12:51:57,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299508201] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:51:57,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:51:57,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:51:57,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51896596] [2022-07-22 12:51:57,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:51:57,205 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:51:57,205 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:51:57,205 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:51:57,205 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:51:57,205 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:51:57,205 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:57,205 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:51:57,205 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:51:57,205 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration6_Loop [2022-07-22 12:51:57,206 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:51:57,206 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:51:57,207 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 12:51:57,214 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 12:51:57,216 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 12:51:57,218 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 12:51:57,225 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 12:51:57,227 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 12:51:57,269 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:51:57,269 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:51:57,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:57,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:57,270 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:57,277 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:57,278 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:57,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-07-22 12:51:57,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:57,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:57,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:57,319 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:57,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-07-22 12:51:57,321 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:51:57,322 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:57,362 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:51:57,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:57,365 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:51:57,365 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:51:57,365 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:51:57,365 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:51:57,365 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:51:57,365 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:57,365 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:51:57,366 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:51:57,366 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration6_Loop [2022-07-22 12:51:57,366 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:51:57,366 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:51:57,367 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 12:51:57,377 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 12:51:57,379 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 12:51:57,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:51:57,383 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 12:51:57,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:51:57,434 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:51:57,434 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:51:57,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:57,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:57,436 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:57,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-07-22 12:51:57,445 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 12:51:57,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:57,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:51:57,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:57,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:57,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:57,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:51:57,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:51:57,464 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:51:57,467 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:51:57,467 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:51:57,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:57,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:57,468 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:57,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-07-22 12:51:57,470 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:51:57,470 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:51:57,470 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:51:57,470 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x1~0) = -2*~x1~0 + 19999 Supporting invariants [] [2022-07-22 12:51:57,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-07-22 12:51:57,496 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:51:57,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:57,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:51:57,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:57,543 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:51:57,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:57,544 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 12:51:57,545 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 12:51:57,545 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 92 transitions. cyclomatic complexity: 78 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 12:51:57,570 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 92 transitions. cyclomatic complexity: 78. 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 35 states and 97 transitions. Complement of second has 3 states. [2022-07-22 12:51:57,570 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 12:51:57,571 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 12:51:57,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 12 transitions. [2022-07-22 12:51:57,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 12:51:57,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:57,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-22 12:51:57,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:57,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-22 12:51:57,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:57,572 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 97 transitions. [2022-07-22 12:51:57,574 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 7 [2022-07-22 12:51:57,574 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 33 states and 90 transitions. [2022-07-22 12:51:57,575 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2022-07-22 12:51:57,575 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-07-22 12:51:57,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 90 transitions. [2022-07-22 12:51:57,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:51:57,576 INFO L220 hiAutomatonCegarLoop]: Abstraction has 33 states and 90 transitions. [2022-07-22 12:51:57,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 90 transitions. [2022-07-22 12:51:57,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2022-07-22 12:51:57,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 2.78125) internal successors, (89), 31 states have internal predecessors, (89), 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 12:51:57,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 89 transitions. [2022-07-22 12:51:57,581 INFO L242 hiAutomatonCegarLoop]: Abstraction has 32 states and 89 transitions. [2022-07-22 12:51:57,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:51:57,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:51:57,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:51:57,587 INFO L87 Difference]: Start difference. First operand 32 states and 89 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 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 12:51:57,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:51:57,649 INFO L93 Difference]: Finished difference Result 43 states and 100 transitions. [2022-07-22 12:51:57,649 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 100 transitions. [2022-07-22 12:51:57,653 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 7 [2022-07-22 12:51:57,654 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 33 states and 87 transitions. [2022-07-22 12:51:57,654 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-07-22 12:51:57,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-07-22 12:51:57,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 87 transitions. [2022-07-22 12:51:57,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:51:57,656 INFO L220 hiAutomatonCegarLoop]: Abstraction has 33 states and 87 transitions. [2022-07-22 12:51:57,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 87 transitions. [2022-07-22 12:51:57,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-07-22 12:51:57,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 2.6363636363636362) internal successors, (87), 32 states have internal predecessors, (87), 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 12:51:57,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 87 transitions. [2022-07-22 12:51:57,666 INFO L242 hiAutomatonCegarLoop]: Abstraction has 33 states and 87 transitions. [2022-07-22 12:51:57,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 12:51:57,667 INFO L425 stractBuchiCegarLoop]: Abstraction has 33 states and 87 transitions. [2022-07-22 12:51:57,667 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-07-22 12:51:57,667 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 87 transitions. [2022-07-22 12:51:57,668 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 7 [2022-07-22 12:51:57,668 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:51:57,668 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:51:57,668 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2022-07-22 12:51:57,669 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:51:57,669 INFO L748 eck$LassoCheckResult]: Stem: 831#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, 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, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 833#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 851#[L41-1, L64-4]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 853#[L41-1, L64-4]don't care [269] L64-4-->L65-3: Formula: (and (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= (store |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre7#1_19|)) |v_#memory_int_41|) (= |v_ULTIMATE.start_main_#t~pre7#1_19| |v_#pthreadsForks_32|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_32|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_42|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_19|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet6#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 857#[L41-1, L65-3]don't care [205] L65-3-->L49-1: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre7#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_8|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~post2, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 829#[L41-1, L49-1, L65-4]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 845#[L41-1, L49-1, L65-4]don't care [2022-07-22 12:51:57,669 INFO L750 eck$LassoCheckResult]: Loop: 845#[L41-1, L49-1, L65-4]don't care [260] L49-1-->L49-1: Formula: (and (= (+ v_~x2~0_32 1) v_~x2~0_31) (< v_~x2~0_32 10000)) InVars {~x2~0=v_~x2~0_32} OutVars{~x2~0=v_~x2~0_31, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_15|} AuxVars[] AssignedVars[~x2~0, thread2Thread1of1ForFork1_#t~post2] 845#[L41-1, L49-1, L65-4]don't care [2022-07-22 12:51:57,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:57,670 INFO L85 PathProgramCache]: Analyzing trace with hash 651528526, now seen corresponding path program 2 times [2022-07-22 12:51:57,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:57,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848154780] [2022-07-22 12:51:57,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:57,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:57,687 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:57,700 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:57,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:57,701 INFO L85 PathProgramCache]: Analyzing trace with hash 291, now seen corresponding path program 4 times [2022-07-22 12:51:57,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:57,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683769477] [2022-07-22 12:51:57,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:57,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:57,704 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:57,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:57,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:57,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1277451914, now seen corresponding path program 2 times [2022-07-22 12:51:57,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:57,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554274615] [2022-07-22 12:51:57,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:57,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:57,747 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:57,778 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:57,790 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:51:57,790 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:51:57,791 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:51:57,791 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:51:57,791 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:51:57,791 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:57,791 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:51:57,791 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:51:57,791 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration7_Loop [2022-07-22 12:51:57,791 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:51:57,791 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:51:57,792 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 12:51:57,797 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 12:51:57,798 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 12:51:57,800 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 12:51:57,802 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 12:51:57,804 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 12:51:57,844 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:51:57,845 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:51:57,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:57,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:57,846 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:57,855 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:57,855 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:57,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-07-22 12:51:57,880 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:57,880 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_13=1} Honda state: {v_rep#funAddr~thread2.offset_13=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:51:57,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:57,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:57,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:57,917 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:57,919 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:57,920 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:57,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-07-22 12:51:57,942 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:57,942 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_#t~post2=0} Honda state: {thread2Thread1of1ForFork1_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:51:57,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-07-22 12:51:57,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:57,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:57,967 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:57,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-07-22 12:51:57,969 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:57,969 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:57,983 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:57,983 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_13=0} Honda state: {v_rep#funAddr~thread1.offset_13=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:51:58,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2022-07-22 12:51:58,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:58,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:58,007 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:58,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-07-22 12:51:58,009 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:58,009 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:58,023 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:58,023 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_13=-1} Honda state: {v_rep#funAddr~thread1.base_13=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:51:58,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-07-22 12:51:58,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:58,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:58,046 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:58,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-07-22 12:51:58,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:58,048 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:58,062 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:58,062 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_13=-1} Honda state: {v_rep#funAddr~thread2.base_13=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:51:58,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-07-22 12:51:58,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:58,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:58,085 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:58,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-07-22 12:51:58,087 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:58,087 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:58,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-07-22 12:51:58,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:58,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:58,119 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:58,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-07-22 12:51:58,120 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:51:58,120 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:58,182 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:51:58,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:58,186 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:51:58,186 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:51:58,186 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:51:58,186 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:51:58,186 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:51:58,186 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:58,186 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:51:58,187 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:51:58,187 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration7_Loop [2022-07-22 12:51:58,187 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:51:58,187 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:51:58,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:51:58,191 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 12:51:58,194 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 12:51:58,196 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 12:51:58,199 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 12:51:58,203 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 12:51:58,244 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:51:58,244 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:51:58,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:58,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:58,246 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:58,255 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 12:51:58,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:58,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:58,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:58,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:58,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:51:58,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:51:58,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-07-22 12:51:58,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:58,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:58,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:58,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:58,315 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:58,317 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 12:51:58,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:58,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:58,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:58,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:58,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:51:58,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:51:58,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-07-22 12:51:58,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:58,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:58,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:58,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:58,372 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:58,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-07-22 12:51:58,376 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 12:51:58,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:58,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:58,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:58,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:58,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:51:58,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:51:58,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:58,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2022-07-22 12:51:58,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:58,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:58,413 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:58,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-07-22 12:51:58,415 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 12:51:58,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:58,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:58,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:58,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:58,423 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:51:58,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:51:58,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:58,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:58,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:58,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:58,480 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:58,511 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 12:51:58,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:58,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:51:58,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:58,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:58,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:58,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:51:58,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:51:58,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-07-22 12:51:58,544 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:51:58,552 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:51:58,552 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:51:58,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:58,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:58,553 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:58,560 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:51:58,560 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:51:58,561 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:51:58,561 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x2~0) = -2*~x2~0 + 19999 Supporting invariants [] [2022-07-22 12:51:58,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:58,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-07-22 12:51:58,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:58,606 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:51:58,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:58,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:58,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:51:58,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:58,651 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:51:58,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:58,652 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 12:51:58,652 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 12:51:58,653 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 87 transitions. cyclomatic complexity: 71 Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 12:51:58,698 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 87 transitions. cyclomatic complexity: 71. Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 54 states and 134 transitions. Complement of second has 3 states. [2022-07-22 12:51:58,699 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 12:51:58,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 12:51:58,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 12 transitions. [2022-07-22 12:51:58,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-22 12:51:58,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:58,700 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:51:58,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:58,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:51:58,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:58,740 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:51:58,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:58,740 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 12:51:58,741 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:51:58,741 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 87 transitions. cyclomatic complexity: 71 Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 12:51:58,773 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 87 transitions. cyclomatic complexity: 71. Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 54 states and 134 transitions. Complement of second has 3 states. [2022-07-22 12:51:58,773 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 12:51:58,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 12:51:58,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 12 transitions. [2022-07-22 12:51:58,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-22 12:51:58,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:58,774 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:51:58,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:58,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:51:58,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:58,817 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:51:58,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:58,818 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 12:51:58,818 INFO L142 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:51:58,819 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 87 transitions. cyclomatic complexity: 71 Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 12:51:58,855 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 87 transitions. cyclomatic complexity: 71. Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 49 states and 131 transitions. Complement of second has 3 states. [2022-07-22 12:51:58,855 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 12:51:58,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 12:51:58,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 13 transitions. [2022-07-22 12:51:58,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-22 12:51:58,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:58,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 7 letters. Loop has 1 letters. [2022-07-22 12:51:58,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:58,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 6 letters. Loop has 2 letters. [2022-07-22 12:51:58,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:58,857 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 131 transitions. [2022-07-22 12:51:58,859 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 12 [2022-07-22 12:51:58,860 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 49 states and 131 transitions. [2022-07-22 12:51:58,860 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2022-07-22 12:51:58,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2022-07-22 12:51:58,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 131 transitions. [2022-07-22 12:51:58,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:51:58,861 INFO L220 hiAutomatonCegarLoop]: Abstraction has 49 states and 131 transitions. [2022-07-22 12:51:58,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 131 transitions. [2022-07-22 12:51:58,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 32. [2022-07-22 12:51:58,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 2.5625) internal successors, (82), 31 states have internal predecessors, (82), 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 12:51:58,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 82 transitions. [2022-07-22 12:51:58,865 INFO L242 hiAutomatonCegarLoop]: Abstraction has 32 states and 82 transitions. [2022-07-22 12:51:58,865 INFO L425 stractBuchiCegarLoop]: Abstraction has 32 states and 82 transitions. [2022-07-22 12:51:58,865 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-07-22 12:51:58,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 82 transitions. [2022-07-22 12:51:58,866 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 11 [2022-07-22 12:51:58,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:51:58,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:51:58,867 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 12:51:58,867 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 12:51:58,867 INFO L748 eck$LassoCheckResult]: Stem: 1135#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, 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, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 1137#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 1161#[L41-1, L64-4]don't care [269] L64-4-->L65-3: Formula: (and (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= (store |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre7#1_19|)) |v_#memory_int_41|) (= |v_ULTIMATE.start_main_#t~pre7#1_19| |v_#pthreadsForks_32|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_32|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_42|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_19|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet6#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 1125#[L41-1, L65-3]don't care [205] L65-3-->L49-1: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre7#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_8|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~post2, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 1129#[L41-1, L49-1, L65-4]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 1143#[L41-1, L49-1, L65-4]don't care [2022-07-22 12:51:58,868 INFO L750 eck$LassoCheckResult]: Loop: 1143#[L41-1, L49-1, L65-4]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 1149#[L41-1, L49-1, L65-4]don't care [260] L49-1-->L49-1: Formula: (and (= (+ v_~x2~0_32 1) v_~x2~0_31) (< v_~x2~0_32 10000)) InVars {~x2~0=v_~x2~0_32} OutVars{~x2~0=v_~x2~0_31, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_15|} AuxVars[] AssignedVars[~x2~0, thread2Thread1of1ForFork1_#t~post2] 1143#[L41-1, L49-1, L65-4]don't care [2022-07-22 12:51:58,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:58,868 INFO L85 PathProgramCache]: Analyzing trace with hash 298115545, now seen corresponding path program 3 times [2022-07-22 12:51:58,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:58,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884615806] [2022-07-22 12:51:58,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:58,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:58,882 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:58,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:58,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:58,894 INFO L85 PathProgramCache]: Analyzing trace with hash 9374, now seen corresponding path program 1 times [2022-07-22 12:51:58,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:58,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715111703] [2022-07-22 12:51:58,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:58,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:58,898 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:58,901 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:58,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:58,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1273761674, now seen corresponding path program 3 times [2022-07-22 12:51:58,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:58,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631994643] [2022-07-22 12:51:58,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:58,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:58,929 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:58,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:58,981 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:51:58,981 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:51:58,981 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:51:58,982 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:51:58,982 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:51:58,982 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:58,982 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:51:58,982 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:51:58,982 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration8_Loop [2022-07-22 12:51:58,982 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:51:58,982 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:51:58,984 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 12:51:58,986 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 12:51:58,991 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 12:51:58,993 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 12:51:58,997 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 12:51:59,001 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 12:51:59,002 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 12:51:59,004 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 12:51:59,058 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:51:59,059 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:51:59,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:59,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:59,064 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:51:59,073 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:59,073 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:59,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-07-22 12:51:59,093 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:59,094 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_15=-1} Honda state: {v_rep#funAddr~thread2.base_15=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:51:59,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:59,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:59,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:59,127 INFO L229 MonitoredProcess]: Starting monitored process 69 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 12:51:59,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-07-22 12:51:59,128 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:59,129 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:59,145 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:59,146 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_15=1} Honda state: {v_rep#funAddr~thread2.offset_15=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:51:59,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2022-07-22 12:51:59,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:59,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:59,172 INFO L229 MonitoredProcess]: Starting monitored process 70 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 12:51:59,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-07-22 12:51:59,173 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:59,173 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:59,182 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:51:59,182 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_#t~post2=0} Honda state: {thread2Thread1of1ForFork1_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:51:59,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:59,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:59,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:59,207 INFO L229 MonitoredProcess]: Starting monitored process 71 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 12:51:59,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-07-22 12:51:59,208 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:51:59,208 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:59,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2022-07-22 12:51:59,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:59,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:59,241 INFO L229 MonitoredProcess]: Starting monitored process 72 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 12:51:59,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-07-22 12:51:59,242 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:51:59,242 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:51:59,278 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:51:59,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:59,280 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:51:59,280 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:51:59,281 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:51:59,281 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:51:59,281 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:51:59,281 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:59,281 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:51:59,281 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:51:59,281 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration8_Loop [2022-07-22 12:51:59,281 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:51:59,281 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:51:59,283 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 12:51:59,290 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 12:51:59,292 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 12:51:59,294 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 12:51:59,296 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 12:51:59,300 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 12:51:59,305 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 12:51:59,307 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 12:51:59,364 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:51:59,364 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:51:59,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:59,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:59,366 INFO L229 MonitoredProcess]: Starting monitored process 73 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 12:51:59,373 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 12:51:59,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:59,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:59,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:59,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:59,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-07-22 12:51:59,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:51:59,383 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:51:59,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:59,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2022-07-22 12:51:59,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:59,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:59,410 INFO L229 MonitoredProcess]: Starting monitored process 74 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 12:51:59,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-07-22 12:51:59,411 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 12:51:59,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:59,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:59,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:59,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:59,423 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:51:59,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:51:59,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:59,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:59,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:59,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:59,474 INFO L229 MonitoredProcess]: Starting monitored process 75 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 12:51:59,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-07-22 12:51:59,475 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 12:51:59,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:59,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:59,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:59,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:59,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:51:59,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:51:59,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:59,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-07-22 12:51:59,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:59,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:59,522 INFO L229 MonitoredProcess]: Starting monitored process 76 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 12:51:59,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-07-22 12:51:59,523 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 12:51:59,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:59,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:51:59,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:59,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:59,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:59,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:51:59,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:51:59,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:51:59,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2022-07-22 12:51:59,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:59,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:59,568 INFO L229 MonitoredProcess]: Starting monitored process 77 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 12:51:59,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-07-22 12:51:59,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:51:59,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:51:59,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:51:59,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:51:59,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:51:59,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:51:59,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:51:59,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:51:59,579 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:51:59,581 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:51:59,581 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:51:59,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:59,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:59,582 INFO L229 MonitoredProcess]: Starting monitored process 78 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 12:51:59,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-07-22 12:51:59,583 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:51:59,583 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:51:59,584 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:51:59,584 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x1~0) = -2*~x1~0 + 19999 Supporting invariants [] [2022-07-22 12:51:59,606 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2022-07-22 12:51:59,607 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:51:59,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:59,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:51:59,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:59,652 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:51:59,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:59,692 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 12:51:59,692 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:51:59,693 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 82 transitions. cyclomatic complexity: 64 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 12:51:59,727 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 82 transitions. cyclomatic complexity: 64. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 168 transitions. Complement of second has 3 states. [2022-07-22 12:51:59,727 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 12:51:59,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 12:51:59,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 12 transitions. [2022-07-22 12:51:59,728 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-22 12:51:59,728 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:59,728 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:51:59,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:59,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:51:59,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:51:59,763 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:51:59,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:51:59,780 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 12:51:59,781 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:51:59,781 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 82 transitions. cyclomatic complexity: 64 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 12:51:59,852 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 82 transitions. cyclomatic complexity: 64. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 126 states and 324 transitions. Complement of second has 5 states. [2022-07-22 12:51:59,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 12:51:59,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 12:51:59,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2022-07-22 12:51:59,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-22 12:51:59,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:59,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-22 12:51:59,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:59,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 5 letters. Loop has 4 letters. [2022-07-22 12:51:59,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:51:59,854 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 324 transitions. [2022-07-22 12:51:59,857 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 20 [2022-07-22 12:51:59,859 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 113 states and 289 transitions. [2022-07-22 12:51:59,860 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2022-07-22 12:51:59,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 62 [2022-07-22 12:51:59,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 289 transitions. [2022-07-22 12:51:59,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:51:59,861 INFO L220 hiAutomatonCegarLoop]: Abstraction has 113 states and 289 transitions. [2022-07-22 12:51:59,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 289 transitions. [2022-07-22 12:51:59,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 65. [2022-07-22 12:51:59,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 2.8461538461538463) internal successors, (185), 64 states have internal predecessors, (185), 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 12:51:59,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 185 transitions. [2022-07-22 12:51:59,868 INFO L242 hiAutomatonCegarLoop]: Abstraction has 65 states and 185 transitions. [2022-07-22 12:51:59,868 INFO L425 stractBuchiCegarLoop]: Abstraction has 65 states and 185 transitions. [2022-07-22 12:51:59,868 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-07-22 12:51:59,868 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 185 transitions. [2022-07-22 12:51:59,870 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 14 [2022-07-22 12:51:59,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:51:59,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:51:59,870 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2022-07-22 12:51:59,870 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [2] [2022-07-22 12:51:59,871 INFO L748 eck$LassoCheckResult]: Stem: 1452#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, 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, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 1454#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 1470#[L41-1, L64-4]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 1472#[L41-1, L64-4]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 1474#[L41-1, L64-4]don't care [269] L64-4-->L65-3: Formula: (and (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= (store |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre7#1_19|)) |v_#memory_int_41|) (= |v_ULTIMATE.start_main_#t~pre7#1_19| |v_#pthreadsForks_32|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_32|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_42|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_19|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet6#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 1476#[L41-1, L65-3]don't care [205] L65-3-->L49-1: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre7#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_8|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~post2, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 1450#[L41-1, L49-1, L65-4]don't care [2022-07-22 12:51:59,871 INFO L750 eck$LassoCheckResult]: Loop: 1450#[L41-1, L49-1, L65-4]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 1456#[L41-1, L49-1, L65-4]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 1450#[L41-1, L49-1, L65-4]don't care [2022-07-22 12:51:59,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:59,872 INFO L85 PathProgramCache]: Analyzing trace with hash 651524686, now seen corresponding path program 4 times [2022-07-22 12:51:59,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:59,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918677762] [2022-07-22 12:51:59,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:59,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:59,889 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:59,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:59,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:59,900 INFO L85 PathProgramCache]: Analyzing trace with hash 9377, now seen corresponding path program 4 times [2022-07-22 12:51:59,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:59,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611814188] [2022-07-22 12:51:59,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:59,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:59,904 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:59,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:59,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:51:59,907 INFO L85 PathProgramCache]: Analyzing trace with hash -949993554, now seen corresponding path program 5 times [2022-07-22 12:51:59,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:51:59,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58753492] [2022-07-22 12:51:59,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:51:59,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:51:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:59,922 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:51:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:51:59,934 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:51:59,950 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:51:59,951 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:51:59,951 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:51:59,951 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:51:59,951 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:51:59,951 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:59,951 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:51:59,951 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:51:59,951 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration9_Loop [2022-07-22 12:51:59,952 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:51:59,952 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:51:59,952 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 12:51:59,954 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 12:51:59,955 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 12:51:59,957 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 12:51:59,961 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 12:51:59,963 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 12:51:59,999 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:52:00,000 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:52:00,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:52:00,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:52:00,001 INFO L229 MonitoredProcess]: Starting monitored process 79 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 12:52:00,008 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:52:00,008 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:52:00,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-07-22 12:52:00,027 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:52:00,027 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_17=-1} Honda state: {v_rep#funAddr~thread2.base_17=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:52:00,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2022-07-22 12:52:00,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:52:00,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:52:00,060 INFO L229 MonitoredProcess]: Starting monitored process 80 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 12:52:00,062 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:52:00,062 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:52:00,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-07-22 12:52:00,080 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:52:00,080 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 12:52:00,109 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2022-07-22 12:52:00,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:52:00,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:52:00,111 INFO L229 MonitoredProcess]: Starting monitored process 81 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 12:52:00,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-07-22 12:52:00,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:52:00,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:52:00,127 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:52:00,127 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_17=-1} Honda state: {v_rep#funAddr~thread1.base_17=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:52:00,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2022-07-22 12:52:00,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:52:00,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:52:00,149 INFO L229 MonitoredProcess]: Starting monitored process 82 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 12:52:00,152 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:52:00,152 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:52:00,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-07-22 12:52:00,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2022-07-22 12:52:00,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:52:00,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:52:00,200 INFO L229 MonitoredProcess]: Starting monitored process 83 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 12:52:00,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-07-22 12:52:00,202 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:52:00,202 INFO L160 nArgumentSynthesizer]: Using integer mode.