./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5adc3402a12b42bc2aef7c382784898827eb467d1d3955bed162b3bd231708de --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:44:35,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:44:35,282 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:44:35,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:44:35,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:44:35,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:44:35,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:44:35,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:44:35,332 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:44:35,333 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:44:35,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:44:35,333 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:44:35,333 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:44:35,334 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:44:35,334 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:44:35,334 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:44:35,334 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:44:35,335 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:44:35,335 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:44:35,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:44:35,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:44:35,336 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:44:35,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:44:35,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:44:35,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:44:35,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:44:35,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:44:35,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:44:35,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:44:35,338 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:44:35,338 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:44:35,338 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:44:35,338 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:44:35,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:44:35,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:44:35,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:44:35,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:44:35,339 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:44:35,339 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:44:35,340 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5adc3402a12b42bc2aef7c382784898827eb467d1d3955bed162b3bd231708de [2024-11-12 21:44:35,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:44:35,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:44:35,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:44:35,567 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:44:35,567 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:44:35,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2024-11-12 21:44:36,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:44:36,969 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:44:36,969 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2024-11-12 21:44:36,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a29bfa5e/3f1af5633c4f415c9cf166e7b2c5af72/FLAG6b2feba43 [2024-11-12 21:44:37,379 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a29bfa5e/3f1af5633c4f415c9cf166e7b2c5af72 [2024-11-12 21:44:37,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:44:37,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:44:37,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:44:37,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:44:37,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:44:37,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:44:37" (1/1) ... [2024-11-12 21:44:37,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d19251d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:44:37, skipping insertion in model container [2024-11-12 21:44:37,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:44:37" (1/1) ... [2024-11-12 21:44:37,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:44:37,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:44:37,586 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:44:37,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:44:37,635 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:44:37,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:44:37 WrapperNode [2024-11-12 21:44:37,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:44:37,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:44:37,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:44:37,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:44:37,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:44:37" (1/1) ... [2024-11-12 21:44:37,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:44:37" (1/1) ... [2024-11-12 21:44:37,663 INFO L138 Inliner]: procedures = 29, calls = 33, calls flagged for inlining = 28, calls inlined = 31, statements flattened = 313 [2024-11-12 21:44:37,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:44:37,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:44:37,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:44:37,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:44:37,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:44:37" (1/1) ... [2024-11-12 21:44:37,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:44:37" (1/1) ... [2024-11-12 21:44:37,676 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:44:37" (1/1) ... [2024-11-12 21:44:37,685 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 21:44:37,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:44:37" (1/1) ... [2024-11-12 21:44:37,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:44:37" (1/1) ... [2024-11-12 21:44:37,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:44:37" (1/1) ... [2024-11-12 21:44:37,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:44:37" (1/1) ... [2024-11-12 21:44:37,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:44:37" (1/1) ... [2024-11-12 21:44:37,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:44:37" (1/1) ... [2024-11-12 21:44:37,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:44:37,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:44:37,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:44:37,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:44:37,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:44:37" (1/1) ... [2024-11-12 21:44:37,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:37,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:37,733 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) [2024-11-12 21:44:37,737 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 [2024-11-12 21:44:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 21:44:37,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 21:44:37,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:44:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:44:37,835 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:44:37,836 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:44:38,054 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-12 21:44:38,054 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:44:38,063 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:44:38,064 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-12 21:44:38,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:44:38 BoogieIcfgContainer [2024-11-12 21:44:38,064 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:44:38,065 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:44:38,065 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:44:38,068 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:44:38,068 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:44:38,068 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:44:37" (1/3) ... [2024-11-12 21:44:38,069 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36762e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:44:38, skipping insertion in model container [2024-11-12 21:44:38,069 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:44:38,069 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:44:37" (2/3) ... [2024-11-12 21:44:38,069 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36762e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:44:38, skipping insertion in model container [2024-11-12 21:44:38,070 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:44:38,070 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:44:38" (3/3) ... [2024-11-12 21:44:38,071 INFO L332 chiAutomizerObserver]: Analyzing ICFG pc_sfifo_2.cil-2.c [2024-11-12 21:44:38,106 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:44:38,106 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:44:38,106 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:44:38,106 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:44:38,106 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:44:38,106 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:44:38,107 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:44:38,107 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:44:38,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.514018691588785) internal successors, (162), 107 states have internal predecessors, (162), 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) [2024-11-12 21:44:38,127 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2024-11-12 21:44:38,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:44:38,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:44:38,133 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:38,133 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:38,133 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 21:44:38,134 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.514018691588785) internal successors, (162), 107 states have internal predecessors, (162), 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) [2024-11-12 21:44:38,137 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2024-11-12 21:44:38,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:44:38,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:44:38,138 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:38,138 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:38,143 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret13#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~4#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~4#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0;" "assume !(1 == ~c_dr_i~0);~c_dr_st~0 := 2;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume 1 == ~c_dr_pc~0;" "assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2;" "assume { :end_inline_reset_delta_events } true;" [2024-11-12 21:44:38,144 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume false;" "havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1;" "assume 0 == ~q_write_ev~0;~q_write_ev~0 := 1;" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0;" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume 1 == ~c_dr_pc~0;" "assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0;" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2;" "assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2;" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~3#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "stop_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~3#1 := stop_simulation_#t~ret12#1;havoc stop_simulation_#t~ret12#1;" "assume !(0 != stop_simulation_~tmp~3#1);stop_simulation_~__retres2~0#1 := 1;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp~4#1 := start_simulation_#t~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp~4#1);" [2024-11-12 21:44:38,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:38,148 INFO L85 PathProgramCache]: Analyzing trace with hash -239976594, now seen corresponding path program 1 times [2024-11-12 21:44:38,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:38,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539937220] [2024-11-12 21:44:38,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:38,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:38,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:44:38,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539937220] [2024-11-12 21:44:38,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539937220] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:44:38,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108849390] [2024-11-12 21:44:38,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:38,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:44:38,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:38,332 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:44:38,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 21:44:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:38,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:44:38,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:38,446 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:44:38,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108849390] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:44:38,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:44:38,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2024-11-12 21:44:38,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545592292] [2024-11-12 21:44:38,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:44:38,501 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:44:38,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:38,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1757542019, now seen corresponding path program 1 times [2024-11-12 21:44:38,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:38,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700957400] [2024-11-12 21:44:38,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:38,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:38,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:44:38,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700957400] [2024-11-12 21:44:38,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700957400] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:44:38,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526758089] [2024-11-12 21:44:38,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:38,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:44:38,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:38,522 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:44:38,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 21:44:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:38,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-12 21:44:38,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:38,581 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:44:38,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526758089] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:44:38,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:44:38,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-12 21:44:38,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474760457] [2024-11-12 21:44:38,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:44:38,590 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:44:38,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:44:38,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 21:44:38,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 21:44:38,619 INFO L87 Difference]: Start difference. First operand has 108 states, 107 states have (on average 1.514018691588785) internal successors, (162), 107 states have internal predecessors, (162), 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) Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2024-11-12 21:44:38,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:44:38,686 INFO L93 Difference]: Finished difference Result 199 states and 275 transitions. [2024-11-12 21:44:38,688 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 199 states and 275 transitions. [2024-11-12 21:44:38,692 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 126 [2024-11-12 21:44:38,696 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 199 states to 185 states and 261 transitions. [2024-11-12 21:44:38,697 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 185 [2024-11-12 21:44:38,698 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 185 [2024-11-12 21:44:38,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 185 states and 261 transitions. [2024-11-12 21:44:38,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:44:38,699 INFO L218 hiAutomatonCegarLoop]: Abstraction has 185 states and 261 transitions. [2024-11-12 21:44:38,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states and 261 transitions. [2024-11-12 21:44:38,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2024-11-12 21:44:38,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 185 states have (on average 1.4108108108108108) internal successors, (261), 184 states have internal predecessors, (261), 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) [2024-11-12 21:44:38,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 261 transitions. [2024-11-12 21:44:38,723 INFO L240 hiAutomatonCegarLoop]: Abstraction has 185 states and 261 transitions. [2024-11-12 21:44:38,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 21:44:38,727 INFO L426 stractBuchiCegarLoop]: Abstraction has 185 states and 261 transitions. [2024-11-12 21:44:38,727 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 21:44:38,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 185 states and 261 transitions. [2024-11-12 21:44:38,728 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 126 [2024-11-12 21:44:38,729 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:44:38,729 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:44:38,729 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:38,729 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:38,730 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret13#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~4#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~4#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0;" "assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;" [2024-11-12 21:44:38,730 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume !(0 != eval_~tmp___1~0#1);" "havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1;" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume 1 == ~p_dw_pc~0;" "assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0;" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0;" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2;" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~3#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "stop_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~3#1 := stop_simulation_#t~ret12#1;havoc stop_simulation_#t~ret12#1;" "assume !(0 != stop_simulation_~tmp~3#1);stop_simulation_~__retres2~0#1 := 1;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp~4#1 := start_simulation_#t~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp~4#1);" [2024-11-12 21:44:38,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:38,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1617647313, now seen corresponding path program 1 times [2024-11-12 21:44:38,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:38,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042507998] [2024-11-12 21:44:38,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:38,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:38,750 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:44:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:38,777 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:44:38,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:38,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1301507987, now seen corresponding path program 1 times [2024-11-12 21:44:38,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:38,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061256585] [2024-11-12 21:44:38,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:38,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:38,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:44:38,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061256585] [2024-11-12 21:44:38,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061256585] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:44:38,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943636841] [2024-11-12 21:44:38,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:38,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:44:38,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:38,855 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:44:38,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 21:44:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:38,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 21:44:38,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:38,922 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:44:38,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943636841] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:44:38,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:44:38,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-11-12 21:44:38,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732399722] [2024-11-12 21:44:38,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:44:38,952 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:44:38,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:44:38,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 21:44:38,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 21:44:38,953 INFO L87 Difference]: Start difference. First operand 185 states and 261 transitions. cyclomatic complexity: 77 Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2024-11-12 21:44:38,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:44:38,997 INFO L93 Difference]: Finished difference Result 195 states and 271 transitions. [2024-11-12 21:44:38,997 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 195 states and 271 transitions. [2024-11-12 21:44:38,999 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 136 [2024-11-12 21:44:39,000 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 195 states to 195 states and 271 transitions. [2024-11-12 21:44:39,000 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 195 [2024-11-12 21:44:39,001 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 195 [2024-11-12 21:44:39,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 195 states and 271 transitions. [2024-11-12 21:44:39,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:44:39,001 INFO L218 hiAutomatonCegarLoop]: Abstraction has 195 states and 271 transitions. [2024-11-12 21:44:39,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states and 271 transitions. [2024-11-12 21:44:39,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 191. [2024-11-12 21:44:39,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 191 states have (on average 1.3979057591623036) internal successors, (267), 190 states have internal predecessors, (267), 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) [2024-11-12 21:44:39,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 267 transitions. [2024-11-12 21:44:39,010 INFO L240 hiAutomatonCegarLoop]: Abstraction has 191 states and 267 transitions. [2024-11-12 21:44:39,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 21:44:39,015 INFO L426 stractBuchiCegarLoop]: Abstraction has 191 states and 267 transitions. [2024-11-12 21:44:39,015 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 21:44:39,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 191 states and 267 transitions. [2024-11-12 21:44:39,016 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 132 [2024-11-12 21:44:39,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:44:39,016 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:44:39,018 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:39,018 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:39,018 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret13#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~4#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~4#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0;" "assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;" [2024-11-12 21:44:39,019 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume !(0 == ~p_dw_st~0);" "assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume !(0 != eval_~tmp___1~0#1);" "havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1;" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume 1 == ~p_dw_pc~0;" "assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0;" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0;" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2;" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~3#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "stop_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~3#1 := stop_simulation_#t~ret12#1;havoc stop_simulation_#t~ret12#1;" "assume !(0 != stop_simulation_~tmp~3#1);stop_simulation_~__retres2~0#1 := 1;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp~4#1 := start_simulation_#t~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp~4#1);" [2024-11-12 21:44:39,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:39,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1617647313, now seen corresponding path program 2 times [2024-11-12 21:44:39,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:39,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179573371] [2024-11-12 21:44:39,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:39,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:39,032 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:44:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:39,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:44:39,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:39,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1662361745, now seen corresponding path program 1 times [2024-11-12 21:44:39,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:39,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629488287] [2024-11-12 21:44:39,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:39,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:39,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:44:39,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629488287] [2024-11-12 21:44:39,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629488287] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:44:39,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438238693] [2024-11-12 21:44:39,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:39,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:44:39,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:39,106 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:44:39,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 21:44:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:39,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 21:44:39,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:39,169 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:44:39,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438238693] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:44:39,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:44:39,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-11-12 21:44:39,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277471548] [2024-11-12 21:44:39,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:44:39,185 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:44:39,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:44:39,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 21:44:39,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 21:44:39,186 INFO L87 Difference]: Start difference. First operand 191 states and 267 transitions. cyclomatic complexity: 77 Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2024-11-12 21:44:39,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:44:39,235 INFO L93 Difference]: Finished difference Result 197 states and 273 transitions. [2024-11-12 21:44:39,235 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 197 states and 273 transitions. [2024-11-12 21:44:39,238 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 138 [2024-11-12 21:44:39,240 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 197 states to 197 states and 273 transitions. [2024-11-12 21:44:39,240 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 197 [2024-11-12 21:44:39,241 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 197 [2024-11-12 21:44:39,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 197 states and 273 transitions. [2024-11-12 21:44:39,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:44:39,244 INFO L218 hiAutomatonCegarLoop]: Abstraction has 197 states and 273 transitions. [2024-11-12 21:44:39,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states and 273 transitions. [2024-11-12 21:44:39,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2024-11-12 21:44:39,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 197 states have (on average 1.385786802030457) internal successors, (273), 196 states have internal predecessors, (273), 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) [2024-11-12 21:44:39,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 273 transitions. [2024-11-12 21:44:39,253 INFO L240 hiAutomatonCegarLoop]: Abstraction has 197 states and 273 transitions. [2024-11-12 21:44:39,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 21:44:39,254 INFO L426 stractBuchiCegarLoop]: Abstraction has 197 states and 273 transitions. [2024-11-12 21:44:39,254 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-12 21:44:39,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 197 states and 273 transitions. [2024-11-12 21:44:39,255 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 138 [2024-11-12 21:44:39,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:44:39,256 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:44:39,256 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:39,256 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:39,256 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret13#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~4#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~4#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0;" "assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;" [2024-11-12 21:44:39,257 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume !(0 == ~p_dw_st~0);" "assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume !(0 != eval_~tmp___1~0#1);" "havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1;" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume 1 == ~p_dw_pc~0;" "assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0;" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0;" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2;" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~3#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "stop_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~3#1 := stop_simulation_#t~ret12#1;havoc stop_simulation_#t~ret12#1;" "assume 0 != stop_simulation_~tmp~3#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp~4#1 := start_simulation_#t~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp~4#1);" [2024-11-12 21:44:39,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:39,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1617647313, now seen corresponding path program 3 times [2024-11-12 21:44:39,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:39,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533292873] [2024-11-12 21:44:39,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:39,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:39,266 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:44:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:39,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:44:39,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:39,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1662302163, now seen corresponding path program 1 times [2024-11-12 21:44:39,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:39,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952257055] [2024-11-12 21:44:39,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:39,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:39,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:44:39,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952257055] [2024-11-12 21:44:39,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952257055] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:44:39,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074356017] [2024-11-12 21:44:39,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:39,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:44:39,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:39,347 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:44:39,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 21:44:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:39,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 21:44:39,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:39,410 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:44:39,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074356017] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:44:39,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:44:39,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-11-12 21:44:39,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31572278] [2024-11-12 21:44:39,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:44:39,420 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:44:39,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:44:39,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 21:44:39,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 21:44:39,421 INFO L87 Difference]: Start difference. First operand 197 states and 273 transitions. cyclomatic complexity: 77 Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2024-11-12 21:44:39,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:44:39,455 INFO L93 Difference]: Finished difference Result 203 states and 277 transitions. [2024-11-12 21:44:39,455 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 203 states and 277 transitions. [2024-11-12 21:44:39,457 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 141 [2024-11-12 21:44:39,457 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 203 states to 203 states and 277 transitions. [2024-11-12 21:44:39,458 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 203 [2024-11-12 21:44:39,458 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 203 [2024-11-12 21:44:39,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 203 states and 277 transitions. [2024-11-12 21:44:39,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:44:39,461 INFO L218 hiAutomatonCegarLoop]: Abstraction has 203 states and 277 transitions. [2024-11-12 21:44:39,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states and 277 transitions. [2024-11-12 21:44:39,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-12 21:44:39,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 203 states have (on average 1.3645320197044335) internal successors, (277), 202 states have internal predecessors, (277), 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) [2024-11-12 21:44:39,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 277 transitions. [2024-11-12 21:44:39,469 INFO L240 hiAutomatonCegarLoop]: Abstraction has 203 states and 277 transitions. [2024-11-12 21:44:39,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 21:44:39,472 INFO L426 stractBuchiCegarLoop]: Abstraction has 203 states and 277 transitions. [2024-11-12 21:44:39,473 INFO L333 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-12 21:44:39,473 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 203 states and 277 transitions. [2024-11-12 21:44:39,474 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 141 [2024-11-12 21:44:39,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:44:39,475 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:44:39,476 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:39,476 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:39,476 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret13#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~4#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~4#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0;" "assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;" [2024-11-12 21:44:39,477 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume !(0 == ~p_dw_st~0);" "assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume !(0 != eval_~tmp___1~0#1);" "havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1;" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume 1 == ~p_dw_pc~0;" "assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0;" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2;" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~3#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "stop_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~3#1 := stop_simulation_#t~ret12#1;havoc stop_simulation_#t~ret12#1;" "assume 0 != stop_simulation_~tmp~3#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp~4#1 := start_simulation_#t~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp~4#1);" [2024-11-12 21:44:39,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:39,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1617647313, now seen corresponding path program 4 times [2024-11-12 21:44:39,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:39,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786292105] [2024-11-12 21:44:39,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:39,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:39,488 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:44:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:39,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:44:39,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:39,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1920467601, now seen corresponding path program 1 times [2024-11-12 21:44:39,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:39,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517743751] [2024-11-12 21:44:39,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:39,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:39,506 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:44:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:39,515 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:44:39,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:39,515 INFO L85 PathProgramCache]: Analyzing trace with hash -979296733, now seen corresponding path program 1 times [2024-11-12 21:44:39,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:39,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411943250] [2024-11-12 21:44:39,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:39,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:39,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:44:39,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411943250] [2024-11-12 21:44:39,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411943250] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:44:39,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217891876] [2024-11-12 21:44:39,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:39,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:44:39,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:39,565 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:44:39,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 21:44:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:39,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:44:39,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:39,688 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:44:39,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217891876] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:44:39,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:44:39,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2024-11-12 21:44:39,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353729136] [2024-11-12 21:44:39,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:44:39,924 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:44:39,925 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:44:39,925 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:44:39,925 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:44:39,925 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 21:44:39,925 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:39,925 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:44:39,925 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:44:39,925 INFO L132 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_2.cil-2.c_Iteration5_Loop [2024-11-12 21:44:39,925 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:44:39,925 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:44:39,937 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,942 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,943 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,945 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,946 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,950 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,952 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,955 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,956 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,962 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,972 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,983 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,985 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,991 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,993 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,995 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:39,997 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,136 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:44:40,137 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 21:44:40,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,140 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) [2024-11-12 21:44:40,142 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 [2024-11-12 21:44:40,148 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:44:40,148 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:44:40,167 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 21:44:40,167 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_is_do_write_p_triggered_#res#1=0} Honda state: {ULTIMATE.start_is_do_write_p_triggered_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 21:44:40,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-12 21:44:40,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,190 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) [2024-11-12 21:44:40,191 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 [2024-11-12 21:44:40,192 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:44:40,192 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:44:40,207 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 21:44:40,208 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_activate_threads_~tmp~1#1=0} Honda state: {ULTIMATE.start_activate_threads_~tmp~1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 21:44:40,219 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 [2024-11-12 21:44:40,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,221 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) [2024-11-12 21:44:40,221 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 [2024-11-12 21:44:40,223 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:44:40,223 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:44:40,235 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 21:44:40,235 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_is_do_read_c_triggered_#res#1=0} Honda state: {ULTIMATE.start_is_do_read_c_triggered_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 21:44:40,246 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 [2024-11-12 21:44:40,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,248 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) [2024-11-12 21:44:40,250 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 [2024-11-12 21:44:40,255 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:44:40,255 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:44:40,266 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 21:44:40,267 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet11#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet11#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 21:44:40,277 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 [2024-11-12 21:44:40,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,278 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) [2024-11-12 21:44:40,279 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 [2024-11-12 21:44:40,280 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:44:40,280 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:44:40,300 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 21:44:40,300 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c_dr_pc~0=4} Honda state: {~c_dr_pc~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 21:44:40,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-12 21:44:40,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,311 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) [2024-11-12 21:44:40,312 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 [2024-11-12 21:44:40,313 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:44:40,313 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:44:40,324 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 21:44:40,324 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stop_simulation_#res#1=0} Honda state: {ULTIMATE.start_stop_simulation_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 21:44:40,334 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 [2024-11-12 21:44:40,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,335 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) [2024-11-12 21:44:40,336 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 [2024-11-12 21:44:40,337 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:44:40,337 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:44:40,348 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 21:44:40,348 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~p_dw_pc~0=1} Honda state: {~p_dw_pc~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 21:44:40,358 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 [2024-11-12 21:44:40,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,361 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) [2024-11-12 21:44:40,361 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 [2024-11-12 21:44:40,362 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:44:40,362 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:44:40,372 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 21:44:40,373 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stop_simulation_#t~ret12#1=0} Honda state: {ULTIMATE.start_stop_simulation_#t~ret12#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 21:44:40,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-12 21:44:40,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,385 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) [2024-11-12 21:44:40,386 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 [2024-11-12 21:44:40,387 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:44:40,387 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:44:40,398 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 21:44:40,398 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___0~2#1=0} Honda state: {ULTIMATE.start_eval_~tmp___0~2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 21:44:40,408 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 [2024-11-12 21:44:40,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,409 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) [2024-11-12 21:44:40,410 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 [2024-11-12 21:44:40,411 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:44:40,411 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:44:40,425 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 21:44:40,425 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_activate_threads_~tmp___0~1#1=0} Honda state: {ULTIMATE.start_activate_threads_~tmp___0~1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 21:44:40,435 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 [2024-11-12 21:44:40,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,437 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) [2024-11-12 21:44:40,438 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 [2024-11-12 21:44:40,439 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:44:40,439 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:44:40,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-12 21:44:40,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,470 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) [2024-11-12 21:44:40,472 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 [2024-11-12 21:44:40,472 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 21:44:40,472 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:44:40,510 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 21:44:40,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-12 21:44:40,515 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:44:40,515 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:44:40,515 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:44:40,515 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:44:40,515 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 21:44:40,515 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,515 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:44:40,515 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:44:40,515 INFO L132 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_2.cil-2.c_Iteration5_Loop [2024-11-12 21:44:40,515 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:44:40,516 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:44:40,517 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,523 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,526 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,527 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,535 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,556 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,565 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,569 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,572 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:40,681 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:44:40,684 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 21:44:40,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,687 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) [2024-11-12 21:44:40,689 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 [2024-11-12 21:44:40,690 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 [2024-11-12 21:44:40,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:40,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:40,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:40,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:40,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:40,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:40,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:40,707 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:40,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-12 21:44:40,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,728 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) [2024-11-12 21:44:40,731 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 [2024-11-12 21:44:40,732 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 [2024-11-12 21:44:40,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:40,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:40,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:40,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:40,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:40,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:40,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:40,745 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:40,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-12 21:44:40,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,758 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) [2024-11-12 21:44:40,759 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 [2024-11-12 21:44:40,760 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 [2024-11-12 21:44:40,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:40,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:40,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:40,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:40,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:40,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:40,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:40,772 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:40,783 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 [2024-11-12 21:44:40,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,784 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) [2024-11-12 21:44:40,785 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 [2024-11-12 21:44:40,786 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 [2024-11-12 21:44:40,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:40,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:40,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:40,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:40,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:40,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:40,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:40,797 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:40,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-12 21:44:40,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,809 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) [2024-11-12 21:44:40,810 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 [2024-11-12 21:44:40,811 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 [2024-11-12 21:44:40,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:40,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:40,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:40,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:40,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:40,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:40,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:40,822 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:40,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-12 21:44:40,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,838 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) [2024-11-12 21:44:40,842 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 [2024-11-12 21:44:40,842 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 [2024-11-12 21:44:40,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:40,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:40,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:40,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:40,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:40,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:40,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:40,854 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:40,864 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 [2024-11-12 21:44:40,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,865 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) [2024-11-12 21:44:40,867 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 [2024-11-12 21:44:40,867 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 [2024-11-12 21:44:40,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:40,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:40,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:40,877 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-12 21:44:40,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:40,877 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-12 21:44:40,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:40,879 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:40,889 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 [2024-11-12 21:44:40,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,890 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) [2024-11-12 21:44:40,891 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 [2024-11-12 21:44:40,891 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 [2024-11-12 21:44:40,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:40,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:40,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:40,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:40,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:40,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:40,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:40,903 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:40,913 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 [2024-11-12 21:44:40,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,915 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) [2024-11-12 21:44:40,916 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 [2024-11-12 21:44:40,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 21:44:40,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:40,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:40,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:40,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:40,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:40,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:40,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:40,931 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:40,943 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 [2024-11-12 21:44:40,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,945 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) [2024-11-12 21:44:40,946 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 [2024-11-12 21:44:40,946 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 [2024-11-12 21:44:40,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:40,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:40,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:40,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:40,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:40,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:40,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:40,957 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:40,969 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 [2024-11-12 21:44:40,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,970 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) [2024-11-12 21:44:40,971 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 [2024-11-12 21:44:40,972 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 [2024-11-12 21:44:40,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:40,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:40,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:40,982 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-12 21:44:40,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:40,983 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-12 21:44:40,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:40,985 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:40,995 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 [2024-11-12 21:44:40,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:40,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:40,997 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) [2024-11-12 21:44:40,998 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 [2024-11-12 21:44:40,999 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 [2024-11-12 21:44:41,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:41,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:41,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:41,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:41,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:41,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:41,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:41,014 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:41,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-12 21:44:41,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:41,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:41,027 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) [2024-11-12 21:44:41,028 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 [2024-11-12 21:44:41,029 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 [2024-11-12 21:44:41,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:41,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:41,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:41,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:41,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:41,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:41,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:41,041 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:41,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-12 21:44:41,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:41,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:41,053 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) [2024-11-12 21:44:41,054 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 [2024-11-12 21:44:41,055 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 [2024-11-12 21:44:41,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:41,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:41,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:41,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:41,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:41,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:41,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:41,066 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:41,077 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 [2024-11-12 21:44:41,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:41,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:41,078 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) [2024-11-12 21:44:41,079 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 [2024-11-12 21:44:41,080 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 [2024-11-12 21:44:41,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:41,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:41,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:41,089 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-12 21:44:41,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:41,090 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-12 21:44:41,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:41,092 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:41,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-12 21:44:41,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:41,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:41,103 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) [2024-11-12 21:44:41,103 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 [2024-11-12 21:44:41,104 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 [2024-11-12 21:44:41,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:41,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:41,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:41,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:41,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:41,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:41,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:41,116 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:41,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:41,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:41,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:41,135 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) [2024-11-12 21:44:41,136 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 [2024-11-12 21:44:41,137 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 [2024-11-12 21:44:41,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:41,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:41,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:41,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:41,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:41,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:41,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:41,150 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:41,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:41,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:41,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:41,164 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) [2024-11-12 21:44:41,165 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 [2024-11-12 21:44:41,166 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 [2024-11-12 21:44:41,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:41,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:41,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:41,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:41,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:41,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:41,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:41,177 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:41,188 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 [2024-11-12 21:44:41,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:41,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:41,189 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) [2024-11-12 21:44:41,190 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 [2024-11-12 21:44:41,191 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 [2024-11-12 21:44:41,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:41,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:41,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:41,201 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-12 21:44:41,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:41,201 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-12 21:44:41,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:41,203 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:41,213 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 [2024-11-12 21:44:41,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:41,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:41,214 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) [2024-11-12 21:44:41,215 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 [2024-11-12 21:44:41,215 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 [2024-11-12 21:44:41,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:41,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:41,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:41,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:41,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:41,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:41,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:41,228 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 21:44:41,230 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 21:44:41,230 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-12 21:44:41,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:41,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:41,232 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) [2024-11-12 21:44:41,234 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 [2024-11-12 21:44:41,235 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 21:44:41,235 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 21:44:41,235 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 21:44:41,236 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~q_read_ev~0) = -1*~q_read_ev~0 + 1 Supporting invariants [] [2024-11-12 21:44:41,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-12 21:44:41,248 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 21:44:41,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:41,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:44:41,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:41,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 21:44:41,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:41,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 21:44:41,417 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-12 21:44:41,418 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 203 states and 277 transitions. cyclomatic complexity: 75 Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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) [2024-11-12 21:44:41,461 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 203 states and 277 transitions. cyclomatic complexity: 75. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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 497 states and 679 transitions. Complement of second has 5 states. [2024-11-12 21:44:41,462 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 [2024-11-12 21:44:41,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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) [2024-11-12 21:44:41,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 141 transitions. [2024-11-12 21:44:41,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 141 transitions. Stem has 26 letters. Loop has 37 letters. [2024-11-12 21:44:41,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:44:41,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 141 transitions. Stem has 63 letters. Loop has 37 letters. [2024-11-12 21:44:41,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:44:41,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 141 transitions. Stem has 26 letters. Loop has 74 letters. [2024-11-12 21:44:41,470 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:44:41,470 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 497 states and 679 transitions. [2024-11-12 21:44:41,473 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 282 [2024-11-12 21:44:41,474 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 497 states to 497 states and 679 transitions. [2024-11-12 21:44:41,474 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 346 [2024-11-12 21:44:41,475 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 352 [2024-11-12 21:44:41,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 497 states and 679 transitions. [2024-11-12 21:44:41,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:44:41,475 INFO L218 hiAutomatonCegarLoop]: Abstraction has 497 states and 679 transitions. [2024-11-12 21:44:41,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states and 679 transitions. [2024-11-12 21:44:41,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 491. [2024-11-12 21:44:41,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 491 states have (on average 1.370672097759674) internal successors, (673), 490 states have internal predecessors, (673), 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) [2024-11-12 21:44:41,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 673 transitions. [2024-11-12 21:44:41,486 INFO L240 hiAutomatonCegarLoop]: Abstraction has 491 states and 673 transitions. [2024-11-12 21:44:41,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:44:41,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 21:44:41,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 21:44:41,486 INFO L87 Difference]: Start difference. First operand 491 states and 673 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:44:41,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:44:41,540 INFO L93 Difference]: Finished difference Result 1297 states and 1675 transitions. [2024-11-12 21:44:41,541 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1297 states and 1675 transitions. [2024-11-12 21:44:41,546 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 658 [2024-11-12 21:44:41,551 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1297 states to 1297 states and 1675 transitions. [2024-11-12 21:44:41,551 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 893 [2024-11-12 21:44:41,552 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 893 [2024-11-12 21:44:41,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1297 states and 1675 transitions. [2024-11-12 21:44:41,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:44:41,552 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1297 states and 1675 transitions. [2024-11-12 21:44:41,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states and 1675 transitions. [2024-11-12 21:44:41,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1279. [2024-11-12 21:44:41,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1279 states, 1279 states have (on average 1.290852228303362) internal successors, (1651), 1278 states have internal predecessors, (1651), 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) [2024-11-12 21:44:41,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1651 transitions. [2024-11-12 21:44:41,567 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1279 states and 1651 transitions. [2024-11-12 21:44:41,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 21:44:41,569 INFO L426 stractBuchiCegarLoop]: Abstraction has 1279 states and 1651 transitions. [2024-11-12 21:44:41,569 INFO L333 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-12 21:44:41,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1279 states and 1651 transitions. [2024-11-12 21:44:41,573 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 646 [2024-11-12 21:44:41,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:44:41,573 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:44:41,574 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:41,574 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:41,575 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret13#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~4#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~4#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume !(1 == ~p_dw_i~0);~p_dw_st~0 := 2;" "assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;" "assume !false;" [2024-11-12 21:44:41,575 INFO L749 eck$LassoCheckResult]: Loop: "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume !(0 == ~p_dw_st~0);" "assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume !(0 != eval_~tmp___1~0#1);" "havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~3#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume !(0 == ~p_dw_st~0);" "assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "stop_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~3#1 := stop_simulation_#t~ret12#1;havoc stop_simulation_#t~ret12#1;" "assume 0 != stop_simulation_~tmp~3#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp~4#1 := start_simulation_#t~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp~4#1);" "assume !false;" [2024-11-12 21:44:41,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:41,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1611395692, now seen corresponding path program 1 times [2024-11-12 21:44:41,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:41,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510497223] [2024-11-12 21:44:41,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:41,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:41,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:44:41,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510497223] [2024-11-12 21:44:41,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510497223] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:44:41,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483137246] [2024-11-12 21:44:41,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:41,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:44:41,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:41,603 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:44:41,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-12 21:44:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:41,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:44:41,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:41,647 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:44:41,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483137246] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:44:41,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:44:41,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-12 21:44:41,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754457934] [2024-11-12 21:44:41,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:44:41,652 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:44:41,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:41,652 INFO L85 PathProgramCache]: Analyzing trace with hash 222923094, now seen corresponding path program 1 times [2024-11-12 21:44:41,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:41,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603572822] [2024-11-12 21:44:41,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:41,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:41,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:44:41,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603572822] [2024-11-12 21:44:41,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603572822] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:44:41,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45683889] [2024-11-12 21:44:41,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:41,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:44:41,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:41,696 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:44:41,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-12 21:44:41,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-12 21:44:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:41,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:44:41,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:41,763 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:44:41,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45683889] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:44:41,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:44:41,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-12 21:44:41,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941985888] [2024-11-12 21:44:41,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:44:41,791 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:44:41,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:44:41,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 21:44:41,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 21:44:41,792 INFO L87 Difference]: Start difference. First operand 1279 states and 1651 transitions. cyclomatic complexity: 378 Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-12 21:44:41,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:44:41,796 INFO L93 Difference]: Finished difference Result 706 states and 909 transitions. [2024-11-12 21:44:41,797 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 706 states and 909 transitions. [2024-11-12 21:44:41,799 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 396 [2024-11-12 21:44:41,801 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 706 states to 706 states and 909 transitions. [2024-11-12 21:44:41,801 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 480 [2024-11-12 21:44:41,802 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 480 [2024-11-12 21:44:41,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 706 states and 909 transitions. [2024-11-12 21:44:41,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:44:41,802 INFO L218 hiAutomatonCegarLoop]: Abstraction has 706 states and 909 transitions. [2024-11-12 21:44:41,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states and 909 transitions. [2024-11-12 21:44:41,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2024-11-12 21:44:41,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 706 states have (on average 1.2875354107648724) internal successors, (909), 705 states have internal predecessors, (909), 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) [2024-11-12 21:44:41,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 909 transitions. [2024-11-12 21:44:41,809 INFO L240 hiAutomatonCegarLoop]: Abstraction has 706 states and 909 transitions. [2024-11-12 21:44:41,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 21:44:41,810 INFO L426 stractBuchiCegarLoop]: Abstraction has 706 states and 909 transitions. [2024-11-12 21:44:41,810 INFO L333 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-12 21:44:41,810 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 706 states and 909 transitions. [2024-11-12 21:44:41,812 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 396 [2024-11-12 21:44:41,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:44:41,812 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:44:41,812 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:41,812 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-12 21:44:41,812 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret13#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~4#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~4#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0;" "assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;" "assume !false;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume 0 != eval_~tmp___1~0#1;" "assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1;" "assume 0 != eval_~tmp~2#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1;" "assume 0 == ~p_dw_pc~0;" [2024-11-12 21:44:41,812 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume !(0 == ~q_free~0);" "havoc do_write_p_#t~nondet6#1;~q_buf_0~0 := do_write_p_#t~nondet6#1;havoc do_write_p_#t~nondet6#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_req_up~0 := 1;" [2024-11-12 21:44:41,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:41,813 INFO L85 PathProgramCache]: Analyzing trace with hash 519638469, now seen corresponding path program 1 times [2024-11-12 21:44:41,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:41,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984956013] [2024-11-12 21:44:41,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:41,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:41,818 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:44:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:41,823 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:44:41,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:41,823 INFO L85 PathProgramCache]: Analyzing trace with hash 211736, now seen corresponding path program 1 times [2024-11-12 21:44:41,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:41,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994100214] [2024-11-12 21:44:41,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:41,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:41,826 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:44:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:41,830 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:44:41,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:41,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1487677140, now seen corresponding path program 1 times [2024-11-12 21:44:41,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:41,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733215601] [2024-11-12 21:44:41,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:41,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:41,838 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:44:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:41,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:44:41,866 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:44:41,867 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:44:41,867 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:44:41,867 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:44:41,867 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 21:44:41,867 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:41,867 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:44:41,867 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:44:41,867 INFO L132 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_2.cil-2.c_Iteration7_Loop [2024-11-12 21:44:41,867 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:44:41,867 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:44:41,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:41,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:41,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:41,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:41,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:41,918 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:44:41,918 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 21:44:41,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:41,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:41,920 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) [2024-11-12 21:44:41,921 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 [2024-11-12 21:44:41,922 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:44:41,922 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:44:41,940 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 21:44:41,941 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~p_last_write~0=-8, ~q_buf_0~0=-8} Honda state: {~p_last_write~0=-8, ~q_buf_0~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 21:44:41,951 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 [2024-11-12 21:44:41,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:41,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:41,953 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) [2024-11-12 21:44:41,955 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 [2024-11-12 21:44:41,956 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:44:41,956 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:44:41,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-11-12 21:44:41,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:41,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:41,981 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) [2024-11-12 21:44:41,982 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 [2024-11-12 21:44:41,984 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 21:44:41,984 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:44:42,009 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 21:44:42,009 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~p_num_write~0=0} Honda state: {~p_num_write~0=0} Generalized eigenvectors: [{~p_num_write~0=-4}, {~p_num_write~0=1}, {~p_num_write~0=4}] Lambdas: [1, 1, 1] Nus: [0, 0] [2024-11-12 21:44:42,019 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 [2024-11-12 21:44:42,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,021 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) [2024-11-12 21:44:42,022 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 [2024-11-12 21:44:42,023 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:44:42,023 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:44:42,034 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-12 21:44:42,034 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_do_write_p_#t~nondet6#1=0} Honda state: {ULTIMATE.start_do_write_p_#t~nondet6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-12 21:44:42,044 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 [2024-11-12 21:44:42,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,045 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) [2024-11-12 21:44:42,045 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 [2024-11-12 21:44:42,047 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:44:42,047 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:44:42,074 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 [2024-11-12 21:44:42,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,075 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) [2024-11-12 21:44:42,077 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 [2024-11-12 21:44:42,077 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 21:44:42,077 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:44:42,107 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 21:44:42,111 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 [2024-11-12 21:44:42,111 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:44:42,111 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:44:42,111 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:44:42,111 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:44:42,111 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 21:44:42,111 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,111 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:44:42,111 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:44:42,111 INFO L132 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_2.cil-2.c_Iteration7_Loop [2024-11-12 21:44:42,111 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:44:42,111 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:44:42,112 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:42,115 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:42,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:42,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:42,126 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:42,172 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:44:42,172 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 21:44:42,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,174 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) [2024-11-12 21:44:42,175 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 [2024-11-12 21:44:42,175 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 [2024-11-12 21:44:42,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:42,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:42,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,187 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:42,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,199 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) [2024-11-12 21:44:42,200 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 [2024-11-12 21:44:42,201 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 [2024-11-12 21:44:42,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:42,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:42,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,213 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-12 21:44:42,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,224 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) [2024-11-12 21:44:42,226 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 [2024-11-12 21:44:42,227 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 [2024-11-12 21:44:42,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:42,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:42,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,238 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,249 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 [2024-11-12 21:44:42,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,250 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) [2024-11-12 21:44:42,251 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 [2024-11-12 21:44:42,251 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 [2024-11-12 21:44:42,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,261 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-12 21:44:42,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:42,263 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-12 21:44:42,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,265 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-11-12 21:44:42,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,276 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) [2024-11-12 21:44:42,276 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 [2024-11-12 21:44:42,277 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 [2024-11-12 21:44:42,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:42,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:42,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,288 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,298 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 [2024-11-12 21:44:42,298 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-12 21:44:42,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,299 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) [2024-11-12 21:44:42,300 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 [2024-11-12 21:44:42,300 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 [2024-11-12 21:44:42,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,311 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-12 21:44:42,312 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-12 21:44:42,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,313 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,323 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 [2024-11-12 21:44:42,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,326 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) [2024-11-12 21:44:42,327 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 [2024-11-12 21:44:42,327 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 [2024-11-12 21:44:42,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,338 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-12 21:44:42,338 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-12 21:44:42,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,342 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,352 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 [2024-11-12 21:44:42,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,353 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) [2024-11-12 21:44:42,354 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 [2024-11-12 21:44:42,355 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 [2024-11-12 21:44:42,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,365 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-12 21:44:42,366 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-12 21:44:42,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,367 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:42,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,378 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) [2024-11-12 21:44:42,378 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 [2024-11-12 21:44:42,379 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 [2024-11-12 21:44:42,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,388 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-12 21:44:42,388 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-12 21:44:42,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:44:42,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,393 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,402 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 [2024-11-12 21:44:42,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,403 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) [2024-11-12 21:44:42,404 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 [2024-11-12 21:44:42,404 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 [2024-11-12 21:44:42,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,414 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-12 21:44:42,415 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-12 21:44:42,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,416 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,426 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 [2024-11-12 21:44:42,426 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-11-12 21:44:42,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,443 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) [2024-11-12 21:44:42,443 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 [2024-11-12 21:44:42,444 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 [2024-11-12 21:44:42,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,454 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-12 21:44:42,455 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-12 21:44:42,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,457 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:42,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,469 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) [2024-11-12 21:44:42,470 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 [2024-11-12 21:44:42,471 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 [2024-11-12 21:44:42,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,481 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-12 21:44:42,482 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-12 21:44:42,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,484 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:42,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,495 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) [2024-11-12 21:44:42,496 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 [2024-11-12 21:44:42,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 21:44:42,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,507 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-12 21:44:42,508 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-12 21:44:42,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,509 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-11-12 21:44:42,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,520 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) [2024-11-12 21:44:42,520 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 [2024-11-12 21:44:42,521 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 [2024-11-12 21:44:42,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,531 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-12 21:44:42,531 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-12 21:44:42,533 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-12 21:44:42,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,536 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,547 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 [2024-11-12 21:44:42,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,548 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) [2024-11-12 21:44:42,550 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 [2024-11-12 21:44:42,551 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 [2024-11-12 21:44:42,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,563 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-12 21:44:42,564 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-12 21:44:42,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,566 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,576 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 [2024-11-12 21:44:42,576 INFO L451 LassoAnalysis]: Using template '4-nested'. [2024-11-12 21:44:42,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,578 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) [2024-11-12 21:44:42,579 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 [2024-11-12 21:44:42,580 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 [2024-11-12 21:44:42,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,593 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-12 21:44:42,593 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-12 21:44:42,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,595 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,605 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 [2024-11-12 21:44:42,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,607 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) [2024-11-12 21:44:42,607 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 [2024-11-12 21:44:42,609 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 [2024-11-12 21:44:42,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,620 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-12 21:44:42,620 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-12 21:44:42,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,623 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,632 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 [2024-11-12 21:44:42,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,634 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) [2024-11-12 21:44:42,634 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 [2024-11-12 21:44:42,636 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 [2024-11-12 21:44:42,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,646 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-12 21:44:42,647 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-12 21:44:42,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,648 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,657 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 [2024-11-12 21:44:42,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,659 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) [2024-11-12 21:44:42,659 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 [2024-11-12 21:44:42,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-12 21:44:42,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,670 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-12 21:44:42,670 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-12 21:44:42,671 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2024-11-12 21:44:42,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,675 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,688 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-11-12 21:44:42,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,690 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) [2024-11-12 21:44:42,691 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 [2024-11-12 21:44:42,691 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 [2024-11-12 21:44:42,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:42,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,702 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-12 21:44:42,702 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-12 21:44:42,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,705 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,714 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 [2024-11-12 21:44:42,715 INFO L451 LassoAnalysis]: Using template '2-phase'. [2024-11-12 21:44:42,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,716 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) [2024-11-12 21:44:42,717 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 [2024-11-12 21:44:42,719 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 [2024-11-12 21:44:42,729 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:42,729 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-12 21:44:42,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,730 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-12 21:44:42,730 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-12 21:44:42,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,732 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:42,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,744 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) [2024-11-12 21:44:42,745 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 [2024-11-12 21:44:42,746 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 [2024-11-12 21:44:42,758 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:42,758 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-12 21:44:42,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,759 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-12 21:44:42,759 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-12 21:44:42,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,762 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,772 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 [2024-11-12 21:44:42,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,773 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) [2024-11-12 21:44:42,774 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 [2024-11-12 21:44:42,775 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 [2024-11-12 21:44:42,785 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:42,785 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-12 21:44:42,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,785 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-12 21:44:42,786 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-12 21:44:42,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,788 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,797 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 [2024-11-12 21:44:42,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,798 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) [2024-11-12 21:44:42,799 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 [2024-11-12 21:44:42,800 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 [2024-11-12 21:44:42,809 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:42,809 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-12 21:44:42,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,810 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-12 21:44:42,810 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-12 21:44:42,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:44:42,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,815 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2024-11-12 21:44:42,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,826 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) [2024-11-12 21:44:42,826 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 [2024-11-12 21:44:42,827 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 [2024-11-12 21:44:42,836 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:42,837 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-12 21:44:42,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,837 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-12 21:44:42,837 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-12 21:44:42,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,840 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,850 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 [2024-11-12 21:44:42,850 INFO L451 LassoAnalysis]: Using template '3-phase'. [2024-11-12 21:44:42,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,851 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) [2024-11-12 21:44:42,852 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 [2024-11-12 21:44:42,852 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 [2024-11-12 21:44:42,862 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:42,863 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-12 21:44:42,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,863 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-12 21:44:42,864 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-12 21:44:42,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,867 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2024-11-12 21:44:42,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,880 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) [2024-11-12 21:44:42,881 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 [2024-11-12 21:44:42,881 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 [2024-11-12 21:44:42,891 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:42,892 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-12 21:44:42,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,892 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-12 21:44:42,893 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-12 21:44:42,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,897 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,906 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 [2024-11-12 21:44:42,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,908 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) [2024-11-12 21:44:42,908 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 [2024-11-12 21:44:42,909 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 [2024-11-12 21:44:42,919 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:42,919 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-12 21:44:42,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,919 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-12 21:44:42,920 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-12 21:44:42,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,922 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,931 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 [2024-11-12 21:44:42,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,933 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) [2024-11-12 21:44:42,933 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 [2024-11-12 21:44:42,934 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 [2024-11-12 21:44:42,943 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:42,943 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-12 21:44:42,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,944 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-12 21:44:42,944 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-12 21:44:42,945 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-12 21:44:42,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,951 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,963 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 [2024-11-12 21:44:42,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,965 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) [2024-11-12 21:44:42,966 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 [2024-11-12 21:44:42,966 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 [2024-11-12 21:44:42,976 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:42,976 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-11-12 21:44:42,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:42,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:42,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:42,976 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-12 21:44:42,977 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-12 21:44:42,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:42,980 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:42,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:42,990 INFO L451 LassoAnalysis]: Using template '4-phase'. [2024-11-12 21:44:42,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:42,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:42,992 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) [2024-11-12 21:44:42,992 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 [2024-11-12 21:44:42,993 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 [2024-11-12 21:44:43,003 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:43,003 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-12 21:44:43,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:43,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:43,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:43,004 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-12 21:44:43,005 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-12 21:44:43,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:43,009 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:43,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2024-11-12 21:44:43,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:43,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:43,022 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) [2024-11-12 21:44:43,023 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 [2024-11-12 21:44:43,024 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 [2024-11-12 21:44:43,035 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:43,035 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-12 21:44:43,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:43,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:43,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:43,035 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-12 21:44:43,036 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-12 21:44:43,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:43,043 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:43,053 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 [2024-11-12 21:44:43,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:43,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:43,055 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) [2024-11-12 21:44:43,056 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 [2024-11-12 21:44:43,057 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 [2024-11-12 21:44:43,067 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:43,067 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-12 21:44:43,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:43,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:43,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:43,067 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-12 21:44:43,068 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-12 21:44:43,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:43,073 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:43,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:43,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:43,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:43,085 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) [2024-11-12 21:44:43,086 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 [2024-11-12 21:44:43,087 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 [2024-11-12 21:44:43,098 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:43,098 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-12 21:44:43,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:43,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:43,098 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-12 21:44:43,098 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-12 21:44:43,100 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2024-11-12 21:44:43,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:43,109 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:43,119 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 [2024-11-12 21:44:43,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:43,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:43,121 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) [2024-11-12 21:44:43,121 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 [2024-11-12 21:44:43,123 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 [2024-11-12 21:44:43,133 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:43,133 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-12 21:44:43,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:43,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:43,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:43,134 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-11-12 21:44:43,135 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-11-12 21:44:43,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:43,158 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:43,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:43,169 INFO L451 LassoAnalysis]: Using template '2-lex'. [2024-11-12 21:44:43,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:43,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:43,170 INFO L229 MonitoredProcess]: Starting monitored process 84 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) [2024-11-12 21:44:43,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2024-11-12 21:44:43,172 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 [2024-11-12 21:44:43,182 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:43,182 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-12 21:44:43,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:43,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:43,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:43,183 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-12 21:44:43,184 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-12 21:44:43,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:43,187 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:43,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:43,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:43,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:43,198 INFO L229 MonitoredProcess]: Starting monitored process 85 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) [2024-11-12 21:44:43,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2024-11-12 21:44:43,200 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 [2024-11-12 21:44:43,211 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:43,211 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-12 21:44:43,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:43,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:43,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:43,211 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-12 21:44:43,212 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-12 21:44:43,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:43,214 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:43,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:43,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:43,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:43,226 INFO L229 MonitoredProcess]: Starting monitored process 86 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) [2024-11-12 21:44:43,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2024-11-12 21:44:43,229 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 [2024-11-12 21:44:43,239 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:43,239 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-12 21:44:43,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:43,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:43,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:43,239 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-12 21:44:43,239 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-12 21:44:43,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:43,241 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:43,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:43,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:43,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:43,252 INFO L229 MonitoredProcess]: Starting monitored process 87 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) [2024-11-12 21:44:43,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2024-11-12 21:44:43,253 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 [2024-11-12 21:44:43,263 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:43,263 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-12 21:44:43,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:43,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:43,263 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-12 21:44:43,263 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-12 21:44:43,264 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-12 21:44:43,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:43,268 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:43,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:43,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:43,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:43,279 INFO L229 MonitoredProcess]: Starting monitored process 88 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) [2024-11-12 21:44:43,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2024-11-12 21:44:43,280 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 [2024-11-12 21:44:43,291 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:43,291 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-11-12 21:44:43,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:43,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:43,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:43,291 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-12 21:44:43,292 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-12 21:44:43,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:43,294 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:43,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2024-11-12 21:44:43,304 INFO L451 LassoAnalysis]: Using template '3-lex'. [2024-11-12 21:44:43,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:43,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:43,305 INFO L229 MonitoredProcess]: Starting monitored process 89 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) [2024-11-12 21:44:43,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2024-11-12 21:44:43,306 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 [2024-11-12 21:44:43,316 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:43,316 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-12 21:44:43,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:43,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:43,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:43,317 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-12 21:44:43,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:44:43,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:43,321 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:43,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2024-11-12 21:44:43,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:43,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:43,332 INFO L229 MonitoredProcess]: Starting monitored process 90 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) [2024-11-12 21:44:43,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2024-11-12 21:44:43,333 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 [2024-11-12 21:44:43,344 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:43,344 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-12 21:44:43,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:43,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:43,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:43,344 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-12 21:44:43,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:44:43,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:43,348 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:43,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2024-11-12 21:44:43,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:43,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:43,359 INFO L229 MonitoredProcess]: Starting monitored process 91 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) [2024-11-12 21:44:43,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2024-11-12 21:44:43,360 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 [2024-11-12 21:44:43,370 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:43,370 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-12 21:44:43,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:43,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:43,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:43,370 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-12 21:44:43,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:44:43,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:43,374 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:43,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2024-11-12 21:44:43,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:43,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:43,385 INFO L229 MonitoredProcess]: Starting monitored process 92 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) [2024-11-12 21:44:43,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2024-11-12 21:44:43,386 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 [2024-11-12 21:44:43,395 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:43,396 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-12 21:44:43,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:43,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:43,396 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-12 21:44:43,396 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-12 21:44:43,399 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-12 21:44:43,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:43,406 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:43,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:43,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:43,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:43,418 INFO L229 MonitoredProcess]: Starting monitored process 93 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) [2024-11-12 21:44:43,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2024-11-12 21:44:43,419 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 [2024-11-12 21:44:43,429 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-11-12 21:44:43,429 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-11-12 21:44:43,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:43,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:43,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:43,429 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-11-12 21:44:43,430 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:44:43,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:43,433 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:43,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2024-11-12 21:44:43,784 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:44:43,784 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:44:43,784 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:44:43,785 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:44:43,785 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 21:44:43,785 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:43,785 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:44:43,785 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:44:43,785 INFO L132 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_2.cil-2.c_Iteration7_Lasso [2024-11-12 21:44:43,785 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:44:43,785 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:44:43,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,830 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,835 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,846 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,850 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,851 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,855 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,872 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,892 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:43,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:44:44,083 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:44:44,083 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 21:44:44,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:44,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:44,085 INFO L229 MonitoredProcess]: Starting monitored process 94 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) [2024-11-12 21:44:44,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2024-11-12 21:44:44,087 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 [2024-11-12 21:44:44,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:44,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:44,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:44,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:44,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:44,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:44,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:44,104 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:44,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2024-11-12 21:44:44,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:44,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:44,117 INFO L229 MonitoredProcess]: Starting monitored process 95 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) [2024-11-12 21:44:44,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2024-11-12 21:44:44,119 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 [2024-11-12 21:44:44,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:44,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:44,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:44,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:44,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:44,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:44,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:44,130 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:44,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:44,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:44,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:44,142 INFO L229 MonitoredProcess]: Starting monitored process 96 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) [2024-11-12 21:44:44,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2024-11-12 21:44:44,143 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 [2024-11-12 21:44:44,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:44,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:44,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:44,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:44,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:44,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:44,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:44,155 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:44,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2024-11-12 21:44:44,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:44,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:44,167 INFO L229 MonitoredProcess]: Starting monitored process 97 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) [2024-11-12 21:44:44,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2024-11-12 21:44:44,168 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 [2024-11-12 21:44:44,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:44,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:44,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:44,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:44,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:44,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:44,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:44,181 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:44,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2024-11-12 21:44:44,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:44,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:44,193 INFO L229 MonitoredProcess]: Starting monitored process 98 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) [2024-11-12 21:44:44,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2024-11-12 21:44:44,195 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 [2024-11-12 21:44:44,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:44,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:44,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:44,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:44,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-12 21:44:44,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-12 21:44:44,209 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:44,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2024-11-12 21:44:44,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:44,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:44,221 INFO L229 MonitoredProcess]: Starting monitored process 99 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) [2024-11-12 21:44:44,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2024-11-12 21:44:44,222 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 [2024-11-12 21:44:44,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:44,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:44:44,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:44,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:44:44,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:44,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:44:44,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:44:44,233 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:44:44,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:44,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:44,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:44,245 INFO L229 MonitoredProcess]: Starting monitored process 100 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) [2024-11-12 21:44:44,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2024-11-12 21:44:44,246 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 [2024-11-12 21:44:44,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:44:44,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:44:44,256 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-12 21:44:44,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:44:44,259 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-11-12 21:44:44,259 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-12 21:44:44,267 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 21:44:44,284 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2024-11-12 21:44:44,284 INFO L444 ModelExtractionUtils]: 0 out of 11 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-12 21:44:44,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:44:44,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:44,287 INFO L229 MonitoredProcess]: Starting monitored process 101 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) [2024-11-12 21:44:44,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2024-11-12 21:44:44,288 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 21:44:44,300 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2024-11-12 21:44:44,300 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 21:44:44,300 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~q_free~0) = 1*~q_free~0 Supporting invariants [1*~q_free~0 >= 0] [2024-11-12 21:44:44,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2024-11-12 21:44:44,314 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-11-12 21:44:44,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:44,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:44:44,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:44,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 21:44:44,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:44,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 21:44:44,494 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-12 21:44:44,494 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 706 states and 909 transitions. cyclomatic complexity: 206 Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2024-11-12 21:44:44,626 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 706 states and 909 transitions. cyclomatic complexity: 206. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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 5108 states and 6659 transitions. Complement of second has 10 states. [2024-11-12 21:44:44,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-12 21:44:44,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2024-11-12 21:44:44,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 523 transitions. [2024-11-12 21:44:44,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 523 transitions. Stem has 37 letters. Loop has 3 letters. [2024-11-12 21:44:44,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:44:44,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 523 transitions. Stem has 40 letters. Loop has 3 letters. [2024-11-12 21:44:44,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:44:44,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 523 transitions. Stem has 37 letters. Loop has 6 letters. [2024-11-12 21:44:44,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:44:44,628 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5108 states and 6659 transitions. [2024-11-12 21:44:44,649 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 1780 [2024-11-12 21:44:44,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5108 states to 3995 states and 5197 transitions. [2024-11-12 21:44:44,661 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1867 [2024-11-12 21:44:44,662 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1882 [2024-11-12 21:44:44,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3995 states and 5197 transitions. [2024-11-12 21:44:44,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:44:44,663 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3995 states and 5197 transitions. [2024-11-12 21:44:44,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3995 states and 5197 transitions. [2024-11-12 21:44:44,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3995 to 3920. [2024-11-12 21:44:44,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3920 states, 3920 states have (on average 1.3) internal successors, (5096), 3919 states have internal predecessors, (5096), 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) [2024-11-12 21:44:44,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 5096 transitions. [2024-11-12 21:44:44,708 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3920 states and 5096 transitions. [2024-11-12 21:44:44,708 INFO L426 stractBuchiCegarLoop]: Abstraction has 3920 states and 5096 transitions. [2024-11-12 21:44:44,708 INFO L333 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-12 21:44:44,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3920 states and 5096 transitions. [2024-11-12 21:44:44,718 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 1752 [2024-11-12 21:44:44,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:44:44,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:44:44,718 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:44,719 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:44,719 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret13#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~4#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~4#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0;" "assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;" "assume !false;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume 0 != eval_~tmp___1~0#1;" "assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1;" "assume 0 != eval_~tmp~2#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1;" "assume 0 == ~p_dw_pc~0;" "assume !false;" [2024-11-12 21:44:44,719 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1;" "havoc do_write_p_#t~nondet6#1;assume { :end_inline_do_write_p } true;" "assume !(0 == ~c_dr_st~0);" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume 0 != eval_~tmp___1~0#1;" "assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1;" "assume 0 != eval_~tmp~2#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1;" "assume 0 == ~p_dw_pc~0;" "assume !false;" [2024-11-12 21:44:44,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:44,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1071076462, now seen corresponding path program 1 times [2024-11-12 21:44:44,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:44,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819818932] [2024-11-12 21:44:44,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:44,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:44,726 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:44:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:44,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:44:44,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:44,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1381315252, now seen corresponding path program 1 times [2024-11-12 21:44:44,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:44,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152207152] [2024-11-12 21:44:44,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:44,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:44,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:44:44,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152207152] [2024-11-12 21:44:44,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152207152] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:44:44,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558990189] [2024-11-12 21:44:44,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:44,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:44:44,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:44,745 INFO L229 MonitoredProcess]: Starting monitored process 102 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:44:44,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (102)] Waiting until timeout for monitored process [2024-11-12 21:44:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:44,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:44:44,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:44,788 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:44:44,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558990189] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:44:44,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:44:44,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 3 [2024-11-12 21:44:44,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970112800] [2024-11-12 21:44:44,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:44:44,797 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:44:44,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:44:44,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 21:44:44,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 21:44:44,798 INFO L87 Difference]: Start difference. First operand 3920 states and 5096 transitions. cyclomatic complexity: 1194 Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-12 21:44:44,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:44:44,839 INFO L93 Difference]: Finished difference Result 3935 states and 4970 transitions. [2024-11-12 21:44:44,839 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3935 states and 4970 transitions. [2024-11-12 21:44:44,851 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 1755 [2024-11-12 21:44:44,862 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3935 states to 3935 states and 4970 transitions. [2024-11-12 21:44:44,863 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1830 [2024-11-12 21:44:44,864 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1830 [2024-11-12 21:44:44,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3935 states and 4970 transitions. [2024-11-12 21:44:44,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:44:44,864 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3935 states and 4970 transitions. [2024-11-12 21:44:44,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3935 states and 4970 transitions. [2024-11-12 21:44:44,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3935 to 3917. [2024-11-12 21:44:44,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3917 states, 3917 states have (on average 1.2627010467194282) internal successors, (4946), 3916 states have internal predecessors, (4946), 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) [2024-11-12 21:44:44,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3917 states to 3917 states and 4946 transitions. [2024-11-12 21:44:44,951 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3917 states and 4946 transitions. [2024-11-12 21:44:44,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 21:44:44,951 INFO L426 stractBuchiCegarLoop]: Abstraction has 3917 states and 4946 transitions. [2024-11-12 21:44:44,951 INFO L333 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-12 21:44:44,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3917 states and 4946 transitions. [2024-11-12 21:44:44,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2024-11-12 21:44:44,959 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 1752 [2024-11-12 21:44:44,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:44:44,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:44:44,960 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:44,960 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:44,960 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret13#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~4#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~4#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0;" "assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;" "assume !false;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume 0 != eval_~tmp___1~0#1;" "assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1;" "assume 0 != eval_~tmp~2#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1;" "assume 0 == ~p_dw_pc~0;" "assume !false;" [2024-11-12 21:44:44,960 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1;" "havoc do_write_p_#t~nondet6#1;assume { :end_inline_do_write_p } true;" "assume !(0 == ~c_dr_st~0);" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume !(0 == ~p_dw_st~0);" "assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume !(0 != eval_~tmp___1~0#1);" "havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume 1 == ~p_dw_pc~0;" "assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0;" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~3#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "stop_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~3#1 := stop_simulation_#t~ret12#1;havoc stop_simulation_#t~ret12#1;" "assume 0 != stop_simulation_~tmp~3#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp~4#1 := start_simulation_#t~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp~4#1);" "assume !false;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume 0 != eval_~tmp___1~0#1;" "assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1;" "assume 0 != eval_~tmp~2#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1;" "assume !(0 == ~p_dw_pc~0);" "assume !(1 == ~p_dw_pc~0);" "assume !false;" [2024-11-12 21:44:44,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:44,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1071076462, now seen corresponding path program 2 times [2024-11-12 21:44:44,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:44,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184097953] [2024-11-12 21:44:44,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:44,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:44,965 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:44:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:44,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:44:44,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:44,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1455322966, now seen corresponding path program 1 times [2024-11-12 21:44:44,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:44,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807645681] [2024-11-12 21:44:44,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:44,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:44,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:44:44,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807645681] [2024-11-12 21:44:44,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807645681] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:44:44,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647728153] [2024-11-12 21:44:44,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:44,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:44:44,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:44,991 INFO L229 MonitoredProcess]: Starting monitored process 103 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:44:44,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (103)] Waiting until timeout for monitored process [2024-11-12 21:44:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:45,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:44:45,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:45,044 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:44:45,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647728153] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:44:45,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:44:45,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-12 21:44:45,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767924368] [2024-11-12 21:44:45,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:44:45,055 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:44:45,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:44:45,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 21:44:45,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 21:44:45,056 INFO L87 Difference]: Start difference. First operand 3917 states and 4946 transitions. cyclomatic complexity: 1047 Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-11-12 21:44:45,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:44:45,083 INFO L93 Difference]: Finished difference Result 5056 states and 6302 transitions. [2024-11-12 21:44:45,083 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5056 states and 6302 transitions. [2024-11-12 21:44:45,095 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 2021 [2024-11-12 21:44:45,112 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5056 states to 4685 states and 5844 transitions. [2024-11-12 21:44:45,112 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2105 [2024-11-12 21:44:45,113 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2105 [2024-11-12 21:44:45,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4685 states and 5844 transitions. [2024-11-12 21:44:45,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:44:45,113 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4685 states and 5844 transitions. [2024-11-12 21:44:45,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4685 states and 5844 transitions. [2024-11-12 21:44:45,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4685 to 4685. [2024-11-12 21:44:45,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4685 states, 4685 states have (on average 1.2473852721451442) internal successors, (5844), 4684 states have internal predecessors, (5844), 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) [2024-11-12 21:44:45,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4685 states to 4685 states and 5844 transitions. [2024-11-12 21:44:45,167 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4685 states and 5844 transitions. [2024-11-12 21:44:45,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 21:44:45,168 INFO L426 stractBuchiCegarLoop]: Abstraction has 4685 states and 5844 transitions. [2024-11-12 21:44:45,169 INFO L333 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-12 21:44:45,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4685 states and 5844 transitions. [2024-11-12 21:44:45,176 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 2021 [2024-11-12 21:44:45,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:44:45,176 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:44:45,176 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:45,176 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:45,177 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret13#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~4#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~4#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0;" "assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1;" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2;" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;" "assume !false;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume 0 != eval_~tmp___1~0#1;" "assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1;" "assume 0 != eval_~tmp~2#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1;" "assume 0 == ~p_dw_pc~0;" "assume !false;" [2024-11-12 21:44:45,177 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1;" "havoc do_write_p_#t~nondet6#1;assume { :end_inline_do_write_p } true;" "assume !(0 == ~c_dr_st~0);" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume !(0 == ~p_dw_st~0);" "assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume !(0 != eval_~tmp___1~0#1);" "havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0;" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~3#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "stop_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~3#1 := stop_simulation_#t~ret12#1;havoc stop_simulation_#t~ret12#1;" "assume 0 != stop_simulation_~tmp~3#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp~4#1 := start_simulation_#t~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp~4#1);" "assume !false;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume 0 != eval_~tmp___1~0#1;" "assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1;" "assume 0 != eval_~tmp~2#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1;" "assume !(0 == ~p_dw_pc~0);" "assume !(1 == ~p_dw_pc~0);" "assume !false;" [2024-11-12 21:44:45,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:45,177 INFO L85 PathProgramCache]: Analyzing trace with hash 186154962, now seen corresponding path program 1 times [2024-11-12 21:44:45,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:45,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360067797] [2024-11-12 21:44:45,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:45,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:45,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:44:45,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360067797] [2024-11-12 21:44:45,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360067797] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:44:45,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863447979] [2024-11-12 21:44:45,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:45,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:44:45,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:45,213 INFO L229 MonitoredProcess]: Starting monitored process 104 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:44:45,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (104)] Waiting until timeout for monitored process [2024-11-12 21:44:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:45,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:44:45,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:45,274 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:44:45,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863447979] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:44:45,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:44:45,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-12 21:44:45,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861903285] [2024-11-12 21:44:45,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:44:45,287 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:44:45,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:45,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1788195241, now seen corresponding path program 1 times [2024-11-12 21:44:45,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:45,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390587540] [2024-11-12 21:44:45,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:45,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:45,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:44:45,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390587540] [2024-11-12 21:44:45,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390587540] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:44:45,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414691552] [2024-11-12 21:44:45,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:45,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:44:45,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:45,323 INFO L229 MonitoredProcess]: Starting monitored process 105 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:44:45,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (105)] Waiting until timeout for monitored process [2024-11-12 21:44:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:45,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:44:45,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:45,378 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:44:45,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414691552] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:44:45,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:44:45,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-12 21:44:45,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836431791] [2024-11-12 21:44:45,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:44:45,393 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:44:45,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:44:45,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 21:44:45,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 21:44:45,393 INFO L87 Difference]: Start difference. First operand 4685 states and 5844 transitions. cyclomatic complexity: 1177 Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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) [2024-11-12 21:44:45,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:44:45,435 INFO L93 Difference]: Finished difference Result 8544 states and 10526 transitions. [2024-11-12 21:44:45,435 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8544 states and 10526 transitions. [2024-11-12 21:44:45,505 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 3715 [2024-11-12 21:44:45,528 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8544 states to 7263 states and 8941 transitions. [2024-11-12 21:44:45,528 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3911 [2024-11-12 21:44:45,531 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4322 [2024-11-12 21:44:45,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7263 states and 8941 transitions. [2024-11-12 21:44:45,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:44:45,531 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7263 states and 8941 transitions. [2024-11-12 21:44:45,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7263 states and 8941 transitions. [2024-11-12 21:44:45,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7263 to 4424. [2024-11-12 21:44:45,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4424 states, 4424 states have (on average 1.238245931283906) internal successors, (5478), 4423 states have internal predecessors, (5478), 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) [2024-11-12 21:44:45,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4424 states to 4424 states and 5478 transitions. [2024-11-12 21:44:45,592 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4424 states and 5478 transitions. [2024-11-12 21:44:45,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 21:44:45,592 INFO L426 stractBuchiCegarLoop]: Abstraction has 4424 states and 5478 transitions. [2024-11-12 21:44:45,592 INFO L333 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-12 21:44:45,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4424 states and 5478 transitions. [2024-11-12 21:44:45,599 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1963 [2024-11-12 21:44:45,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:44:45,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:44:45,599 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:45,599 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:45,599 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret13#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~4#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~4#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0;" "assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;" "assume !false;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume 0 != eval_~tmp___1~0#1;" "assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1;" "assume 0 != eval_~tmp~2#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1;" "assume 0 == ~p_dw_pc~0;" "assume !false;" [2024-11-12 21:44:45,600 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1;" "havoc do_write_p_#t~nondet6#1;assume { :end_inline_do_write_p } true;" "assume !(0 == ~c_dr_st~0);" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume !(0 == ~p_dw_st~0);" "assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume !(0 != eval_~tmp___1~0#1);" "havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0;" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~3#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "stop_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~3#1 := stop_simulation_#t~ret12#1;havoc stop_simulation_#t~ret12#1;" "assume 0 != stop_simulation_~tmp~3#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp~4#1 := start_simulation_#t~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp~4#1);" "assume !false;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume 0 != eval_~tmp___1~0#1;" "assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1;" "assume 0 != eval_~tmp~2#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1;" "assume !(0 == ~p_dw_pc~0);" "assume !(1 == ~p_dw_pc~0);" "assume !false;" [2024-11-12 21:44:45,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:45,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1071076462, now seen corresponding path program 3 times [2024-11-12 21:44:45,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:45,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228326799] [2024-11-12 21:44:45,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:45,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:45,606 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:44:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:45,610 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:44:45,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:45,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1788195241, now seen corresponding path program 2 times [2024-11-12 21:44:45,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:45,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382497369] [2024-11-12 21:44:45,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:45,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:45,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:44:45,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382497369] [2024-11-12 21:44:45,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382497369] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:44:45,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479303491] [2024-11-12 21:44:45,638 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 21:44:45,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:44:45,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:45,645 INFO L229 MonitoredProcess]: Starting monitored process 106 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:44:45,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (106)] Waiting until timeout for monitored process [2024-11-12 21:44:45,680 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 21:44:45,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 21:44:45,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2024-11-12 21:44:45,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843707372] [2024-11-12 21:44:45,681 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 21:44:45,681 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:44:45,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:44:45,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 21:44:45,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 21:44:45,681 INFO L87 Difference]: Start difference. First operand 4424 states and 5478 transitions. cyclomatic complexity: 1067 Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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) [2024-11-12 21:44:45,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:44:45,702 INFO L93 Difference]: Finished difference Result 4394 states and 5346 transitions. [2024-11-12 21:44:45,702 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4394 states and 5346 transitions. [2024-11-12 21:44:45,711 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 1950 [2024-11-12 21:44:45,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4394 states to 4394 states and 5346 transitions. [2024-11-12 21:44:45,736 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2239 [2024-11-12 21:44:45,737 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2239 [2024-11-12 21:44:45,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4394 states and 5346 transitions. [2024-11-12 21:44:45,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:44:45,737 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4394 states and 5346 transitions. [2024-11-12 21:44:45,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states and 5346 transitions. [2024-11-12 21:44:45,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 4170. [2024-11-12 21:44:45,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4170 states, 4170 states have (on average 1.2213429256594723) internal successors, (5093), 4169 states have internal predecessors, (5093), 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) [2024-11-12 21:44:45,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4170 states to 4170 states and 5093 transitions. [2024-11-12 21:44:45,776 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4170 states and 5093 transitions. [2024-11-12 21:44:45,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 21:44:45,776 INFO L426 stractBuchiCegarLoop]: Abstraction has 4170 states and 5093 transitions. [2024-11-12 21:44:45,777 INFO L333 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-11-12 21:44:45,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4170 states and 5093 transitions. [2024-11-12 21:44:45,783 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1800 [2024-11-12 21:44:45,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:44:45,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:44:45,785 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:45,785 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:45,786 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret13#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~4#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~4#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0;" "assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;" "assume !false;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume 0 != eval_~tmp___1~0#1;" "assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1;" "assume 0 != eval_~tmp~2#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1;" "assume 0 == ~p_dw_pc~0;" "assume !false;" [2024-11-12 21:44:45,786 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1;" "havoc do_write_p_#t~nondet6#1;assume { :end_inline_do_write_p } true;" "assume !(0 == ~c_dr_st~0);" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume !(0 == ~p_dw_st~0);" "assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume !(0 != eval_~tmp___1~0#1);" "havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume 1 == ~p_dw_pc~0;" "assume !(1 == ~q_read_ev~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0;" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~3#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "stop_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~3#1 := stop_simulation_#t~ret12#1;havoc stop_simulation_#t~ret12#1;" "assume 0 != stop_simulation_~tmp~3#1;stop_simulation_~__retres2~0#1 := 0;" "stop_simulation_#res#1 := stop_simulation_~__retres2~0#1;" "start_simulation_#t~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret12#1, stop_simulation_~tmp~3#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp~4#1 := start_simulation_#t~ret13#1;havoc start_simulation_#t~ret13#1;" "assume !(0 != start_simulation_~tmp~4#1);" "assume !false;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume 0 != eval_~tmp___1~0#1;" "assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1;" "assume 0 != eval_~tmp~2#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1;" "assume !(0 == ~p_dw_pc~0);" "assume 1 == ~p_dw_pc~0;" "havoc do_write_p_#t~nondet6#1;~q_buf_0~0 := do_write_p_#t~nondet6#1;havoc do_write_p_#t~nondet6#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_req_up~0 := 1;" "assume !false;" [2024-11-12 21:44:45,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:45,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1071076462, now seen corresponding path program 4 times [2024-11-12 21:44:45,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:45,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033727902] [2024-11-12 21:44:45,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:45,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:45,791 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:44:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:45,795 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:44:45,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:45,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1551565263, now seen corresponding path program 1 times [2024-11-12 21:44:45,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:45,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023026269] [2024-11-12 21:44:45,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:45,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:45,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:44:45,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023026269] [2024-11-12 21:44:45,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023026269] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:44:45,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79574653] [2024-11-12 21:44:45,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:45,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:44:45,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:45,835 INFO L229 MonitoredProcess]: Starting monitored process 107 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:44:45,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (107)] Waiting until timeout for monitored process [2024-11-12 21:44:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:45,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 21:44:45,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:45,882 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:44:45,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79574653] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:44:45,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:44:45,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-11-12 21:44:45,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791021248] [2024-11-12 21:44:45,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:44:45,887 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:44:45,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:44:45,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 21:44:45,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 21:44:45,887 INFO L87 Difference]: Start difference. First operand 4170 states and 5093 transitions. cyclomatic complexity: 936 Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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) [2024-11-12 21:44:45,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:44:45,931 INFO L93 Difference]: Finished difference Result 3264 states and 4015 transitions. [2024-11-12 21:44:45,931 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3264 states and 4015 transitions. [2024-11-12 21:44:45,936 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1330 [2024-11-12 21:44:45,942 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3264 states to 3264 states and 4015 transitions. [2024-11-12 21:44:45,942 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1703 [2024-11-12 21:44:45,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1703 [2024-11-12 21:44:45,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3264 states and 4015 transitions. [2024-11-12 21:44:45,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:44:45,943 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3264 states and 4015 transitions. [2024-11-12 21:44:45,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3264 states and 4015 transitions. [2024-11-12 21:44:45,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3264 to 3264. [2024-11-12 21:44:45,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3264 states, 3264 states have (on average 1.2300857843137254) internal successors, (4015), 3263 states have internal predecessors, (4015), 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) [2024-11-12 21:44:45,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3264 states to 3264 states and 4015 transitions. [2024-11-12 21:44:45,966 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3264 states and 4015 transitions. [2024-11-12 21:44:45,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 21:44:45,971 INFO L426 stractBuchiCegarLoop]: Abstraction has 3264 states and 4015 transitions. [2024-11-12 21:44:45,971 INFO L333 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2024-11-12 21:44:45,971 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3264 states and 4015 transitions. [2024-11-12 21:44:45,976 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1330 [2024-11-12 21:44:45,976 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:44:45,976 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:44:45,976 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:45,976 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:45,976 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret13#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~4#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~4#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0;" "assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;" "assume !false;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume 0 != eval_~tmp___1~0#1;" "assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1;" "assume 0 != eval_~tmp~2#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1;" "assume 0 == ~p_dw_pc~0;" "assume !false;" "assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1;" "havoc do_write_p_#t~nondet6#1;assume { :end_inline_do_write_p } true;" [2024-11-12 21:44:45,977 INFO L749 eck$LassoCheckResult]: Loop: "assume !(0 == ~c_dr_st~0);" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume !(0 == ~p_dw_st~0);" "assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume 0 != eval_~tmp___1~0#1;" "assume !(0 == ~p_dw_st~0);" [2024-11-12 21:44:45,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:45,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1487677052, now seen corresponding path program 1 times [2024-11-12 21:44:45,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:45,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990887206] [2024-11-12 21:44:45,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:45,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:46,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:44:46,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990887206] [2024-11-12 21:44:46,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990887206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:44:46,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956725456] [2024-11-12 21:44:46,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:46,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:44:46,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:46,016 INFO L229 MonitoredProcess]: Starting monitored process 108 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:44:46,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (108)] Waiting until timeout for monitored process [2024-11-12 21:44:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:46,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:44:46,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:46,099 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:44:46,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956725456] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:44:46,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:44:46,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 5 [2024-11-12 21:44:46,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183703358] [2024-11-12 21:44:46,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:44:46,138 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:44:46,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:46,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1496917773, now seen corresponding path program 1 times [2024-11-12 21:44:46,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:46,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438123661] [2024-11-12 21:44:46,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:46,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:46,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:44:46,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438123661] [2024-11-12 21:44:46,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438123661] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:44:46,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880721508] [2024-11-12 21:44:46,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:46,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:44:46,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:46,159 INFO L229 MonitoredProcess]: Starting monitored process 109 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:44:46,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (109)] Waiting until timeout for monitored process [2024-11-12 21:44:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:46,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 21:44:46,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:46,194 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:44:46,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880721508] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:44:46,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:44:46,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-11-12 21:44:46,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318827907] [2024-11-12 21:44:46,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:44:46,197 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:44:46,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:44:46,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 21:44:46,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 21:44:46,198 INFO L87 Difference]: Start difference. First operand 3264 states and 4015 transitions. cyclomatic complexity: 768 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2024-11-12 21:44:46,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:44:46,223 INFO L93 Difference]: Finished difference Result 3264 states and 3975 transitions. [2024-11-12 21:44:46,223 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3264 states and 3975 transitions. [2024-11-12 21:44:46,229 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1330 [2024-11-12 21:44:46,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3264 states to 3264 states and 3975 transitions. [2024-11-12 21:44:46,234 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1703 [2024-11-12 21:44:46,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1703 [2024-11-12 21:44:46,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3264 states and 3975 transitions. [2024-11-12 21:44:46,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:44:46,235 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3264 states and 3975 transitions. [2024-11-12 21:44:46,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3264 states and 3975 transitions. [2024-11-12 21:44:46,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3264 to 3264. [2024-11-12 21:44:46,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3264 states, 3264 states have (on average 1.2178308823529411) internal successors, (3975), 3263 states have internal predecessors, (3975), 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) [2024-11-12 21:44:46,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3264 states to 3264 states and 3975 transitions. [2024-11-12 21:44:46,260 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3264 states and 3975 transitions. [2024-11-12 21:44:46,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 21:44:46,260 INFO L426 stractBuchiCegarLoop]: Abstraction has 3264 states and 3975 transitions. [2024-11-12 21:44:46,260 INFO L333 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2024-11-12 21:44:46,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3264 states and 3975 transitions. [2024-11-12 21:44:46,264 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1330 [2024-11-12 21:44:46,265 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:44:46,265 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:44:46,265 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:46,265 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:46,265 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret13#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~4#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~4#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0;" "assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;" "assume !false;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume 0 != eval_~tmp___1~0#1;" "assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1;" "assume 0 != eval_~tmp~2#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1;" "assume 0 == ~p_dw_pc~0;" "assume !false;" "assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1;" "havoc do_write_p_#t~nondet6#1;assume { :end_inline_do_write_p } true;" [2024-11-12 21:44:46,265 INFO L749 eck$LassoCheckResult]: Loop: "assume !(0 == ~c_dr_st~0);" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume !(0 == ~p_dw_st~0);" "assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume 0 != eval_~tmp___1~0#1;" "assume !(0 == ~p_dw_st~0);" [2024-11-12 21:44:46,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:46,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1487677052, now seen corresponding path program 2 times [2024-11-12 21:44:46,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:46,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703809625] [2024-11-12 21:44:46,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:46,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:46,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:44:46,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703809625] [2024-11-12 21:44:46,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703809625] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:44:46,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706994841] [2024-11-12 21:44:46,293 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 21:44:46,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:44:46,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:46,295 INFO L229 MonitoredProcess]: Starting monitored process 110 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:44:46,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (110)] Waiting until timeout for monitored process [2024-11-12 21:44:46,328 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 21:44:46,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 21:44:46,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-12 21:44:46,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941706757] [2024-11-12 21:44:46,329 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 21:44:46,329 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:44:46,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:46,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1498764815, now seen corresponding path program 1 times [2024-11-12 21:44:46,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:46,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210840551] [2024-11-12 21:44:46,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:46,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:46,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:44:46,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210840551] [2024-11-12 21:44:46,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210840551] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:44:46,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188464638] [2024-11-12 21:44:46,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:46,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:44:46,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:46,338 INFO L229 MonitoredProcess]: Starting monitored process 111 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:44:46,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (111)] Waiting until timeout for monitored process [2024-11-12 21:44:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:46,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:44:46,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:44:46,371 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:44:46,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188464638] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:44:46,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:44:46,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-12 21:44:46,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583343362] [2024-11-12 21:44:46,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:44:46,377 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:44:46,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:44:46,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 21:44:46,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 21:44:46,377 INFO L87 Difference]: Start difference. First operand 3264 states and 3975 transitions. cyclomatic complexity: 728 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-12 21:44:46,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:44:46,401 INFO L93 Difference]: Finished difference Result 4097 states and 4858 transitions. [2024-11-12 21:44:46,401 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4097 states and 4858 transitions. [2024-11-12 21:44:46,422 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 1655 [2024-11-12 21:44:46,427 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4097 states to 4097 states and 4858 transitions. [2024-11-12 21:44:46,427 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2135 [2024-11-12 21:44:46,428 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2135 [2024-11-12 21:44:46,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4097 states and 4858 transitions. [2024-11-12 21:44:46,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:44:46,429 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4097 states and 4858 transitions. [2024-11-12 21:44:46,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4097 states and 4858 transitions. [2024-11-12 21:44:46,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4097 to 4097. [2024-11-12 21:44:46,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4097 states, 4097 states have (on average 1.1857456675616305) internal successors, (4858), 4096 states have internal predecessors, (4858), 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) [2024-11-12 21:44:46,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4097 states to 4097 states and 4858 transitions. [2024-11-12 21:44:46,460 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4097 states and 4858 transitions. [2024-11-12 21:44:46,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 21:44:46,461 INFO L426 stractBuchiCegarLoop]: Abstraction has 4097 states and 4858 transitions. [2024-11-12 21:44:46,461 INFO L333 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2024-11-12 21:44:46,461 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4097 states and 4858 transitions. [2024-11-12 21:44:46,466 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 1655 [2024-11-12 21:44:46,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:44:46,466 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:44:46,466 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:46,466 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:46,466 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret13#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~4#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~4#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0;" "assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;" "assume !false;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume 0 != eval_~tmp___1~0#1;" "assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1;" "assume 0 != eval_~tmp~2#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1;" "assume 0 == ~p_dw_pc~0;" "assume !false;" "assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1;" "havoc do_write_p_#t~nondet6#1;assume { :end_inline_do_write_p } true;" [2024-11-12 21:44:46,466 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 == ~c_dr_st~0;havoc eval_#t~nondet11#1;eval_~tmp___0~2#1 := eval_#t~nondet11#1;havoc eval_#t~nondet11#1;" "assume !(0 != eval_~tmp___0~2#1);" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume !(0 == ~p_dw_st~0);" "assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume 0 != eval_~tmp___1~0#1;" "assume !(0 == ~p_dw_st~0);" [2024-11-12 21:44:46,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:46,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1487677052, now seen corresponding path program 3 times [2024-11-12 21:44:46,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:46,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234309509] [2024-11-12 21:44:46,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:46,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:44:46,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:44:46,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234309509] [2024-11-12 21:44:46,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234309509] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:44:46,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614659514] [2024-11-12 21:44:46,494 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 21:44:46,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:44:46,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:44:46,496 INFO L229 MonitoredProcess]: Starting monitored process 112 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:44:46,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (112)] Waiting until timeout for monitored process [2024-11-12 21:44:46,528 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 21:44:46,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 21:44:46,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-12 21:44:46,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591346804] [2024-11-12 21:44:46,528 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 21:44:46,528 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-12 21:44:46,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:46,529 INFO L85 PathProgramCache]: Analyzing trace with hash -682996676, now seen corresponding path program 1 times [2024-11-12 21:44:46,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:46,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549420839] [2024-11-12 21:44:46,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:46,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:46,531 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:44:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:46,532 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:44:46,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:44:46,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 21:44:46,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 21:44:46,551 INFO L87 Difference]: Start difference. First operand 4097 states and 4858 transitions. cyclomatic complexity: 786 Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-11-12 21:44:46,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:44:46,577 INFO L93 Difference]: Finished difference Result 2957 states and 3475 transitions. [2024-11-12 21:44:46,577 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2957 states and 3475 transitions. [2024-11-12 21:44:46,583 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 1062 [2024-11-12 21:44:46,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2957 states to 2955 states and 3473 transitions. [2024-11-12 21:44:46,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1492 [2024-11-12 21:44:46,587 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1492 [2024-11-12 21:44:46,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2955 states and 3473 transitions. [2024-11-12 21:44:46,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-12 21:44:46,588 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2955 states and 3473 transitions. [2024-11-12 21:44:46,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2955 states and 3473 transitions. [2024-11-12 21:44:46,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2955 to 2937. [2024-11-12 21:44:46,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2937 states have (on average 1.174327545114062) internal successors, (3449), 2936 states have internal predecessors, (3449), 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) [2024-11-12 21:44:46,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 3449 transitions. [2024-11-12 21:44:46,607 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2937 states and 3449 transitions. [2024-11-12 21:44:46,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 21:44:46,610 INFO L426 stractBuchiCegarLoop]: Abstraction has 2937 states and 3449 transitions. [2024-11-12 21:44:46,610 INFO L333 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2024-11-12 21:44:46,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2937 states and 3449 transitions. [2024-11-12 21:44:46,613 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 1050 [2024-11-12 21:44:46,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:44:46,614 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:44:46,614 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:46,614 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:44:46,614 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~3#1;havoc main_~__retres1~3#1;assume { :begin_inline_init_model } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1;" "assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret13#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~4#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~4#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true;" "assume !(1 == ~q_req_up~0);" "assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true;" "assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0;" "assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0;" "assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true;" "assume !(0 == ~q_read_ev~0);" "assume !(0 == ~q_write_ev~0);" "assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~1#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1;" "assume !(1 == ~p_dw_pc~0);" "is_do_write_p_triggered_~__retres1~0#1 := 0;" "is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1;" "activate_threads_#t~ret7#1 := is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;assume { :end_inline_is_do_write_p_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret7#1;havoc activate_threads_#t~ret7#1;" "assume !(0 != activate_threads_~tmp~1#1);" "assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1;" "assume !(1 == ~c_dr_pc~0);" "is_do_read_c_triggered_~__retres1~1#1 := 0;" "is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1;" "activate_threads_#t~ret8#1 := is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;assume { :end_inline_is_do_read_c_triggered } true;activate_threads_~tmp___0~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1;" "assume !(0 != activate_threads_~tmp___0~1#1);" "havoc activate_threads_#t~ret7#1, activate_threads_#t~ret8#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~1#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true;" "assume !(1 == ~q_read_ev~0);" "assume !(1 == ~q_write_ev~0);" "assume { :end_inline_reset_delta_events } true;" "assume !false;" "start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret9#1, eval_#t~nondet10#1, eval_#t~nondet11#1, eval_~tmp~2#1, eval_~tmp___0~2#1, eval_~tmp___1~0#1;havoc eval_~tmp~2#1;havoc eval_~tmp___0~2#1;havoc eval_~tmp___1~0#1;" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume 0 != eval_~tmp___1~0#1;" "assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1;" "assume 0 != eval_~tmp~2#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet6#1;" "assume 0 == ~p_dw_pc~0;" "assume !false;" "assume !(0 == ~q_free~0);" "havoc do_write_p_#t~nondet6#1;~q_buf_0~0 := do_write_p_#t~nondet6#1;havoc do_write_p_#t~nondet6#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_req_up~0 := 1;" "assume !false;" "assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1;" "havoc do_write_p_#t~nondet6#1;assume { :end_inline_do_write_p } true;" [2024-11-12 21:44:46,614 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 == ~c_dr_st~0;havoc eval_#t~nondet11#1;eval_~tmp___0~2#1 := eval_#t~nondet11#1;havoc eval_#t~nondet11#1;" "assume !(0 != eval_~tmp___0~2#1);" "assume !false;" "assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;havoc exists_runnable_thread_~__retres1~2#1;" "assume !(0 == ~p_dw_st~0);" "assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2#1 := 1;" "exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1;" "eval_#t~ret9#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~2#1;assume { :end_inline_exists_runnable_thread } true;eval_~tmp___1~0#1 := eval_#t~ret9#1;havoc eval_#t~ret9#1;" "assume 0 != eval_~tmp___1~0#1;" "assume !(0 == ~p_dw_st~0);" [2024-11-12 21:44:46,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:46,615 INFO L85 PathProgramCache]: Analyzing trace with hash -377667827, now seen corresponding path program 1 times [2024-11-12 21:44:46,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:46,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761631898] [2024-11-12 21:44:46,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:46,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:46,620 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:44:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:46,624 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:44:46,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:46,624 INFO L85 PathProgramCache]: Analyzing trace with hash -682996676, now seen corresponding path program 2 times [2024-11-12 21:44:46,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:46,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289431219] [2024-11-12 21:44:46,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:46,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:46,626 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:44:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:46,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:44:46,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:44:46,628 INFO L85 PathProgramCache]: Analyzing trace with hash 188558408, now seen corresponding path program 1 times [2024-11-12 21:44:46,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:44:46,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843733719] [2024-11-12 21:44:46,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:44:46,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:44:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:46,632 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:44:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:46,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:44:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:47,074 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:44:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:44:47,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 09:44:47 BoogieIcfgContainer [2024-11-12 21:44:47,165 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 21:44:47,165 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 21:44:47,166 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 21:44:47,166 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 21:44:47,166 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:44:38" (3/4) ... [2024-11-12 21:44:47,169 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-12 21:44:47,223 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 21:44:47,223 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 21:44:47,223 INFO L158 Benchmark]: Toolchain (without parser) took 9839.50ms. Allocated memory was 155.2MB in the beginning and 325.1MB in the end (delta: 169.9MB). Free memory was 98.2MB in the beginning and 194.8MB in the end (delta: -96.6MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2024-11-12 21:44:47,224 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:44:47,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.62ms. Allocated memory is still 155.2MB. Free memory was 98.2MB in the beginning and 83.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 21:44:47,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.34ms. Allocated memory is still 155.2MB. Free memory was 83.1MB in the beginning and 81.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:44:47,225 INFO L158 Benchmark]: Boogie Preprocessor took 31.97ms. Allocated memory is still 155.2MB. Free memory was 81.1MB in the beginning and 78.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:44:47,225 INFO L158 Benchmark]: RCFGBuilder took 365.30ms. Allocated memory is still 155.2MB. Free memory was 78.3MB in the beginning and 57.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-12 21:44:47,225 INFO L158 Benchmark]: BuchiAutomizer took 9100.27ms. Allocated memory was 155.2MB in the beginning and 325.1MB in the end (delta: 169.9MB). Free memory was 57.3MB in the beginning and 201.1MB in the end (delta: -143.8MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-12 21:44:47,225 INFO L158 Benchmark]: Witness Printer took 57.58ms. Allocated memory is still 325.1MB. Free memory was 201.1MB in the beginning and 194.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-12 21:44:47,226 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.62ms. Allocated memory is still 155.2MB. Free memory was 98.2MB in the beginning and 83.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.34ms. Allocated memory is still 155.2MB. Free memory was 83.1MB in the beginning and 81.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.97ms. Allocated memory is still 155.2MB. Free memory was 81.1MB in the beginning and 78.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 365.30ms. Allocated memory is still 155.2MB. Free memory was 78.3MB in the beginning and 57.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 9100.27ms. Allocated memory was 155.2MB in the beginning and 325.1MB in the end (delta: 169.9MB). Free memory was 57.3MB in the beginning and 201.1MB in the end (delta: -143.8MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Witness Printer took 57.58ms. Allocated memory is still 325.1MB. Free memory was 201.1MB in the beginning and 194.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 16 terminating modules (14 trivial, 2 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function (((long long) -1 * q_read_ev) + 1) and consists of 3 locations. One deterministic module has affine ranking function q_free and consists of 7 locations. 14 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 2937 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.0s and 16 iterations. TraceHistogramMax:2. Analysis of lassos took 6.9s. Construction of modules took 0.3s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 12. Automata minimization 0.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 3202 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.3s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1871 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1870 mSDsluCounter, 5808 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3405 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 407 IncrementalHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 2403 mSDtfsCounter, 407 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI7 SFLT0 conc0 concLT1 SILN1 SILU0 SILI5 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital47 mio100 ax100 hnf100 lsp32 ukn92 mio100 lsp95 div100 bol100 ite100 ukn100 eq189 hnf96 smp100 dnf147 smp89 tf107 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 57ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 12 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 364]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L25] int q_buf_0 ; [L26] int q_free ; [L27] int q_read_ev ; [L28] int q_write_ev ; [L29] int q_req_up ; [L30] int q_ev ; [L51] int p_num_write ; [L52] int p_last_write ; [L53] int p_dw_st ; [L54] int p_dw_pc ; [L55] int p_dw_i ; [L56] int c_num_read ; [L57] int c_last_read ; [L58] int c_dr_st ; [L59] int c_dr_pc ; [L60] int c_dr_i ; [L164] static int a_t ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=0, q_read_ev=0, q_req_up=0, q_write_ev=0] [L466] int __retres1 ; [L470] CALL init_model() [L452] q_free = 1 [L453] q_write_ev = 2 [L454] q_read_ev = q_write_ev [L455] p_num_write = 0 [L456] p_dw_pc = 0 [L457] p_dw_i = 1 [L458] c_num_read = 0 [L459] c_dr_pc = 0 [L460] c_dr_i = 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L470] RET init_model() [L471] CALL start_simulation() [L406] int kernel_st ; [L407] int tmp ; [L411] kernel_st = 0 [L412] CALL update_channels() [L222] COND FALSE !((int )q_req_up == 1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L412] RET update_channels() [L413] CALL init_threads() [L237] COND TRUE (int )p_dw_i == 1 [L238] p_dw_st = 0 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L242] COND TRUE (int )c_dr_i == 1 [L243] c_dr_st = 0 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L413] RET init_threads() [L414] CALL fire_delta_events() [L275] COND FALSE !((int )q_read_ev == 0) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L280] COND FALSE !((int )q_write_ev == 0) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L414] RET fire_delta_events() [L415] CALL activate_threads() [L308] int tmp ; [L309] int tmp___0 ; [L313] CALL, EXPR is_do_write_p_triggered() [L62] int __retres1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L65] COND FALSE !((int )p_dw_pc == 1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L75] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L77] return (__retres1); VAL [\result=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L313] RET, EXPR is_do_write_p_triggered() [L313] tmp = is_do_write_p_triggered() [L315] COND FALSE !(\read(tmp)) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L321] CALL, EXPR is_do_read_c_triggered() [L81] int __retres1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L84] COND FALSE !((int )c_dr_pc == 1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L94] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L96] return (__retres1); VAL [\result=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L321] RET, EXPR is_do_read_c_triggered() [L321] tmp___0 = is_do_read_c_triggered() [L323] COND FALSE !(\read(tmp___0)) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L415] RET activate_threads() [L416] CALL reset_delta_events() [L293] COND FALSE !((int )q_read_ev == 1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L298] COND FALSE !((int )q_write_ev == 1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L416] RET reset_delta_events() [L419] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L422] kernel_st = 1 [L423] CALL eval() [L333] int tmp ; [L334] int tmp___0 ; [L335] int tmp___1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L339] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L342] CALL, EXPR exists_runnable_thread() [L252] int __retres1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L255] COND TRUE (int )p_dw_st == 0 [L256] __retres1 = 1 VAL [__retres1=1, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L268] return (__retres1); VAL [\result=1, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L342] RET, EXPR exists_runnable_thread() [L342] tmp___1 = exists_runnable_thread() [L344] COND TRUE \read(tmp___1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L349] COND TRUE (int )p_dw_st == 0 [L351] tmp = __VERIFIER_nondet_int() [L353] COND TRUE \read(tmp) [L355] p_dw_st = 1 [L356] CALL do_write_p() [L128] COND TRUE (int )p_dw_pc == 0 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L139] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L141] COND FALSE !((int )q_free == 0) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L151] q_buf_0 = __VERIFIER_nondet_int() [L152] p_last_write = q_buf_0 [L153] p_num_write += 1 [L154] q_free = 0 [L155] q_req_up = 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=5, p_num_write=1, q_buf_0=5, q_ev=0, q_free=0, q_read_ev=2, q_req_up=1, q_write_ev=2] [L139] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=5, p_num_write=1, q_buf_0=5, q_ev=0, q_free=0, q_read_ev=2, q_req_up=1, q_write_ev=2] [L141] COND TRUE (int )q_free == 0 [L142] p_dw_st = 2 [L143] p_dw_pc = 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=1, p_dw_st=2, p_last_write=5, p_num_write=1, q_buf_0=5, q_ev=0, q_free=0, q_read_ev=2, q_req_up=1, q_write_ev=2] [L356] RET do_write_p() Loop: [L364] COND TRUE (int )c_dr_st == 0 [L366] tmp___0 = __VERIFIER_nondet_int() [L368] COND FALSE !(\read(tmp___0)) [L339] COND TRUE 1 [L342] CALL, EXPR exists_runnable_thread() [L252] int __retres1 ; [L255] COND FALSE !((int )p_dw_st == 0) [L259] COND TRUE (int )c_dr_st == 0 [L260] __retres1 = 1 [L268] return (__retres1); [L342] RET, EXPR exists_runnable_thread() [L342] tmp___1 = exists_runnable_thread() [L344] COND TRUE \read(tmp___1) [L349] COND FALSE !((int )p_dw_st == 0) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 364]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L25] int q_buf_0 ; [L26] int q_free ; [L27] int q_read_ev ; [L28] int q_write_ev ; [L29] int q_req_up ; [L30] int q_ev ; [L51] int p_num_write ; [L52] int p_last_write ; [L53] int p_dw_st ; [L54] int p_dw_pc ; [L55] int p_dw_i ; [L56] int c_num_read ; [L57] int c_last_read ; [L58] int c_dr_st ; [L59] int c_dr_pc ; [L60] int c_dr_i ; [L164] static int a_t ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=0, q_read_ev=0, q_req_up=0, q_write_ev=0] [L466] int __retres1 ; [L470] CALL init_model() [L452] q_free = 1 [L453] q_write_ev = 2 [L454] q_read_ev = q_write_ev [L455] p_num_write = 0 [L456] p_dw_pc = 0 [L457] p_dw_i = 1 [L458] c_num_read = 0 [L459] c_dr_pc = 0 [L460] c_dr_i = 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L470] RET init_model() [L471] CALL start_simulation() [L406] int kernel_st ; [L407] int tmp ; [L411] kernel_st = 0 [L412] CALL update_channels() [L222] COND FALSE !((int )q_req_up == 1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L412] RET update_channels() [L413] CALL init_threads() [L237] COND TRUE (int )p_dw_i == 1 [L238] p_dw_st = 0 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L242] COND TRUE (int )c_dr_i == 1 [L243] c_dr_st = 0 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L413] RET init_threads() [L414] CALL fire_delta_events() [L275] COND FALSE !((int )q_read_ev == 0) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L280] COND FALSE !((int )q_write_ev == 0) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L414] RET fire_delta_events() [L415] CALL activate_threads() [L308] int tmp ; [L309] int tmp___0 ; [L313] CALL, EXPR is_do_write_p_triggered() [L62] int __retres1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L65] COND FALSE !((int )p_dw_pc == 1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L75] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L77] return (__retres1); VAL [\result=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L313] RET, EXPR is_do_write_p_triggered() [L313] tmp = is_do_write_p_triggered() [L315] COND FALSE !(\read(tmp)) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L321] CALL, EXPR is_do_read_c_triggered() [L81] int __retres1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L84] COND FALSE !((int )c_dr_pc == 1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L94] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L96] return (__retres1); VAL [\result=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L321] RET, EXPR is_do_read_c_triggered() [L321] tmp___0 = is_do_read_c_triggered() [L323] COND FALSE !(\read(tmp___0)) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L415] RET activate_threads() [L416] CALL reset_delta_events() [L293] COND FALSE !((int )q_read_ev == 1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L298] COND FALSE !((int )q_write_ev == 1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L416] RET reset_delta_events() [L419] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L422] kernel_st = 1 [L423] CALL eval() [L333] int tmp ; [L334] int tmp___0 ; [L335] int tmp___1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L339] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L342] CALL, EXPR exists_runnable_thread() [L252] int __retres1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L255] COND TRUE (int )p_dw_st == 0 [L256] __retres1 = 1 VAL [__retres1=1, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L268] return (__retres1); VAL [\result=1, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L342] RET, EXPR exists_runnable_thread() [L342] tmp___1 = exists_runnable_thread() [L344] COND TRUE \read(tmp___1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L349] COND TRUE (int )p_dw_st == 0 [L351] tmp = __VERIFIER_nondet_int() [L353] COND TRUE \read(tmp) [L355] p_dw_st = 1 [L356] CALL do_write_p() [L128] COND TRUE (int )p_dw_pc == 0 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L139] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L141] COND FALSE !((int )q_free == 0) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L151] q_buf_0 = __VERIFIER_nondet_int() [L152] p_last_write = q_buf_0 [L153] p_num_write += 1 [L154] q_free = 0 [L155] q_req_up = 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=5, p_num_write=1, q_buf_0=5, q_ev=0, q_free=0, q_read_ev=2, q_req_up=1, q_write_ev=2] [L139] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=5, p_num_write=1, q_buf_0=5, q_ev=0, q_free=0, q_read_ev=2, q_req_up=1, q_write_ev=2] [L141] COND TRUE (int )q_free == 0 [L142] p_dw_st = 2 [L143] p_dw_pc = 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=1, p_dw_st=2, p_last_write=5, p_num_write=1, q_buf_0=5, q_ev=0, q_free=0, q_read_ev=2, q_req_up=1, q_write_ev=2] [L356] RET do_write_p() Loop: [L364] COND TRUE (int )c_dr_st == 0 [L366] tmp___0 = __VERIFIER_nondet_int() [L368] COND FALSE !(\read(tmp___0)) [L339] COND TRUE 1 [L342] CALL, EXPR exists_runnable_thread() [L252] int __retres1 ; [L255] COND FALSE !((int )p_dw_st == 0) [L259] COND TRUE (int )c_dr_st == 0 [L260] __retres1 = 1 [L268] return (__retres1); [L342] RET, EXPR exists_runnable_thread() [L342] tmp___1 = exists_runnable_thread() [L344] COND TRUE \read(tmp___1) [L349] COND FALSE !((int )p_dw_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-12 21:44:47,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (112)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:47,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (111)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:47,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (110)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:47,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (109)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:48,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (108)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:48,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (107)] Ended with exit code 0 [2024-11-12 21:44:48,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (106)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:48,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (105)] Ended with exit code 0 [2024-11-12 21:44:48,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (104)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:49,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (103)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:49,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (102)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:49,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:49,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:49,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:50,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:50,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:50,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-12 21:44:50,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 21:44:50,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 21:44:51,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)