./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/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-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:44:04,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:44:04,279 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-13 17:44:04,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:44:04,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:44:04,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:44:04,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:44:04,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:44:04,320 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:44:04,320 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:44:04,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:44:04,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:44:04,322 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:44:04,322 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:44:04,323 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:44:04,323 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:44:04,325 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:44:04,325 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:44:04,326 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:44:04,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:44:04,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:44:04,328 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 17:44:04,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:44:04,329 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 17:44:04,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:44:04,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:44:04,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:44:04,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:44:04,330 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:44:04,330 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:44:04,331 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 17:44:04,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:44:04,331 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:44:04,332 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:44:04,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:44:04,332 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:44:04,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:44:04,333 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:44:04,334 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:44:04,334 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5adc3402a12b42bc2aef7c382784898827eb467d1d3955bed162b3bd231708de [2024-10-13 17:44:04,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:44:04,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:44:04,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:44:04,613 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:44:04,614 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:44:04,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2024-10-13 17:44:06,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:44:06,264 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:44:06,264 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2024-10-13 17:44:06,273 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eba83438/95587fad9e28494d87d70e0905e60549/FLAG891f9b2a4 [2024-10-13 17:44:06,628 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eba83438/95587fad9e28494d87d70e0905e60549 [2024-10-13 17:44:06,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:44:06,632 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:44:06,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:44:06,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:44:06,641 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:44:06,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:44:06" (1/1) ... [2024-10-13 17:44:06,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79cd330e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:06, skipping insertion in model container [2024-10-13 17:44:06,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:44:06" (1/1) ... [2024-10-13 17:44:06,674 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:44:06,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:44:06,876 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:44:06,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:44:06,922 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:44:06,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:06 WrapperNode [2024-10-13 17:44:06,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:44:06,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:44:06,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:44:06,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:44:06,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:06" (1/1) ... [2024-10-13 17:44:06,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:06" (1/1) ... [2024-10-13 17:44:06,962 INFO L138 Inliner]: procedures = 29, calls = 33, calls flagged for inlining = 28, calls inlined = 31, statements flattened = 313 [2024-10-13 17:44:06,962 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:44:06,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:44:06,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:44:06,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:44:06,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:06" (1/1) ... [2024-10-13 17:44:06,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:06" (1/1) ... [2024-10-13 17:44:06,975 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:06" (1/1) ... [2024-10-13 17:44:06,987 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]. [2024-10-13 17:44:06,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:06" (1/1) ... [2024-10-13 17:44:06,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:06" (1/1) ... [2024-10-13 17:44:06,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:06" (1/1) ... [2024-10-13 17:44:06,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:06" (1/1) ... [2024-10-13 17:44:06,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:06" (1/1) ... [2024-10-13 17:44:07,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:06" (1/1) ... [2024-10-13 17:44:07,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:44:07,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:44:07,004 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:44:07,004 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:44:07,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:06" (1/1) ... [2024-10-13 17:44:07,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:07,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:07,039 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) [2024-10-13 17:44:07,046 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 [2024-10-13 17:44:07,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 17:44:07,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 17:44:07,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:44:07,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:44:07,253 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:44:07,255 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:44:07,535 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-10-13 17:44:07,536 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:44:07,551 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:44:07,553 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-13 17:44:07,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:44:07 BoogieIcfgContainer [2024-10-13 17:44:07,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:44:07,555 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:44:07,555 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:44:07,559 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:44:07,559 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:44:07,560 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:44:06" (1/3) ... [2024-10-13 17:44:07,561 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41a891fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:44:07, skipping insertion in model container [2024-10-13 17:44:07,561 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:44:07,561 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:06" (2/3) ... [2024-10-13 17:44:07,562 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41a891fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:44:07, skipping insertion in model container [2024-10-13 17:44:07,562 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:44:07,562 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:44:07" (3/3) ... [2024-10-13 17:44:07,563 INFO L332 chiAutomizerObserver]: Analyzing ICFG pc_sfifo_2.cil-2.c [2024-10-13 17:44:07,622 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:44:07,622 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:44:07,622 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:44:07,623 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:44:07,623 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:44:07,623 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:44:07,624 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:44:07,624 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:44:07,628 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) [2024-10-13 17:44:07,649 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2024-10-13 17:44:07,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:44:07,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:44:07,656 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] [2024-10-13 17:44:07,656 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] [2024-10-13 17:44:07,656 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:44:07,657 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) [2024-10-13 17:44:07,663 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2024-10-13 17:44:07,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:44:07,663 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:44:07,664 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] [2024-10-13 17:44:07,665 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] [2024-10-13 17:44:07,673 INFO L745 eck$LassoCheckResult]: Stem: 19#$Ultimate##0true 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; 31#L-1true 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; 104#init_model_returnLabel#1true 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; 65#L222true assume !(1 == ~q_req_up~0); 9#L222-2true assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 82#L237true assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 32#L237-2true assume !(1 == ~c_dr_i~0);~c_dr_st~0 := 2; 39#L242-1true assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 89#L275true assume !(0 == ~q_read_ev~0); 96#L275-2true assume !(0 == ~q_write_ev~0); 23#L280-1true 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; 109#L65true assume !(1 == ~p_dw_pc~0); 30#L65-2true is_do_write_p_triggered_~__retres1~0#1 := 0; 56#L76true is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 76#is_do_write_p_triggered_returnLabel#1true 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; 36#L315true assume !(0 != activate_threads_~tmp~1#1); 63#L315-2true 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; 99#L84true assume 1 == ~c_dr_pc~0; 25#L85true assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1; 69#L95true is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 21#is_do_read_c_triggered_returnLabel#1true 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; 4#L323true assume !(0 != activate_threads_~tmp___0~1#1); 47#L323-2true 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; 100#L293true assume !(1 == ~q_read_ev~0); 2#L293-2true assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 37#L298-1true assume { :end_inline_reset_delta_events } true; 11#L419-2true [2024-10-13 17:44:07,674 INFO L747 eck$LassoCheckResult]: Loop: 11#L419-2true assume !false; 27#L420true 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; 105#L364true assume false; 66#eval_returnLabel#1true 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; 85#L222-3true assume !(1 == ~q_req_up~0); 33#L222-5true assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 81#L275-3true assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1; 41#L275-5true assume 0 == ~q_write_ev~0;~q_write_ev~0 := 1; 54#L280-3true 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; 61#L65-3true assume !(1 == ~p_dw_pc~0); 17#L65-5true is_do_write_p_triggered_~__retres1~0#1 := 0; 97#L76-1true is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 55#is_do_write_p_triggered_returnLabel#2true 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; 42#L315-3true assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0; 86#L315-5true 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; 59#L84-3true assume 1 == ~c_dr_pc~0; 44#L85-1true assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1; 80#L95-1true is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 29#is_do_read_c_triggered_returnLabel#2true 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; 107#L323-3true assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0; 79#L323-5true 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; 93#L293-3true assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2; 5#L293-5true assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 53#L298-3true 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; 24#L255-1true assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 26#L267-1true exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 77#exists_runnable_thread_returnLabel#2true 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; 13#L394true assume !(0 != stop_simulation_~tmp~3#1);stop_simulation_~__retres2~0#1 := 1; 7#L401true stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 106#stop_simulation_returnLabel#1true 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; 28#L436true assume !(0 != start_simulation_~tmp~4#1); 11#L419-2true [2024-10-13 17:44:07,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:07,680 INFO L85 PathProgramCache]: Analyzing trace with hash -239976594, now seen corresponding path program 1 times [2024-10-13 17:44:07,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:07,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599881085] [2024-10-13 17:44:07,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:07,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:07,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:07,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:07,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599881085] [2024-10-13 17:44:07,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599881085] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:07,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:07,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 17:44:07,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584539713] [2024-10-13 17:44:07,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:07,905 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:44:07,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:07,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1757542019, now seen corresponding path program 1 times [2024-10-13 17:44:07,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:07,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466911541] [2024-10-13 17:44:07,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:07,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:07,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:07,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:07,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466911541] [2024-10-13 17:44:07,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466911541] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:07,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:07,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 17:44:07,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059558294] [2024-10-13 17:44:07,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:07,941 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-13 17:44:07,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:44:07,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 17:44:07,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 17:44:07,975 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 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-10-13 17:44:07,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:44:07,997 INFO L93 Difference]: Finished difference Result 102 states and 144 transitions. [2024-10-13 17:44:07,999 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 144 transitions. [2024-10-13 17:44:08,002 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2024-10-13 17:44:08,007 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 95 states and 137 transitions. [2024-10-13 17:44:08,011 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2024-10-13 17:44:08,012 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2024-10-13 17:44:08,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 137 transitions. [2024-10-13 17:44:08,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:44:08,014 INFO L218 hiAutomatonCegarLoop]: Abstraction has 95 states and 137 transitions. [2024-10-13 17:44:08,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 137 transitions. [2024-10-13 17:44:08,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-10-13 17:44:08,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 95 states have (on average 1.4421052631578948) internal successors, (137), 94 states have internal predecessors, (137), 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) [2024-10-13 17:44:08,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2024-10-13 17:44:08,047 INFO L240 hiAutomatonCegarLoop]: Abstraction has 95 states and 137 transitions. [2024-10-13 17:44:08,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 17:44:08,054 INFO L425 stractBuchiCegarLoop]: Abstraction has 95 states and 137 transitions. [2024-10-13 17:44:08,054 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 17:44:08,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 137 transitions. [2024-10-13 17:44:08,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2024-10-13 17:44:08,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:44:08,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:44:08,063 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] [2024-10-13 17:44:08,064 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] [2024-10-13 17:44:08,064 INFO L745 eck$LassoCheckResult]: Stem: 276#$Ultimate##0 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; 277#L-1 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; 301#init_model_returnLabel#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; 254#L222 assume !(1 == ~q_req_up~0); 243#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 244#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 284#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 305#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 303#L275 assume !(0 == ~q_read_ev~0); 304#L275-2 assume !(0 == ~q_write_ev~0); 290#L280-1 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; 291#L65 assume !(1 == ~p_dw_pc~0); 287#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 286#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 271#is_do_write_p_triggered_returnLabel#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; 272#L315 assume !(0 != activate_threads_~tmp~1#1); 249#L315-2 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; 250#L84 assume 1 == ~c_dr_pc~0; 296#L85 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1; 263#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 264#is_do_read_c_triggered_returnLabel#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; 226#L323 assume !(0 != activate_threads_~tmp___0~1#1); 227#L323-2 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; 312#L293 assume !(1 == ~q_read_ev~0); 219#L293-2 assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 220#L298-1 assume { :end_inline_reset_delta_events } true; 245#L419-2 [2024-10-13 17:44:08,064 INFO L747 eck$LassoCheckResult]: Loop: 245#L419-2 assume !false; 246#L420 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; 261#L364 assume !false; 292#L340 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; 256#L255 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 222#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 241#exists_runnable_thread_returnLabel#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; 242#L344 assume !(0 != eval_~tmp___1~0#1); 257#eval_returnLabel#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; 258#L222-3 assume !(1 == ~q_req_up~0); 289#L222-5 assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 282#L275-3 assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1; 283#L275-5 assume 0 == ~q_write_ev~0;~q_write_ev~0 := 1; 310#L280-3 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; 232#L65-3 assume 1 == ~p_dw_pc~0; 233#L66-1 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; 267#L76-1 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 309#is_do_write_p_triggered_returnLabel#2 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; 311#L315-3 assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0; 299#L315-5 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; 223#L84-3 assume !(1 == ~c_dr_pc~0); 224#L84-5 is_do_read_c_triggered_~__retres1~1#1 := 0; 280#L95-1 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 281#is_do_read_c_triggered_returnLabel#2 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; 298#L323-3 assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0; 278#L323-5 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; 279#L293-3 assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2; 230#L293-5 assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 231#L298-3 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; 293#L255-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 294#L267-1 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 273#exists_runnable_thread_returnLabel#2 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; 251#L394 assume !(0 != stop_simulation_~tmp~3#1);stop_simulation_~__retres2~0#1 := 1; 237#L401 stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 238#stop_simulation_returnLabel#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; 297#L436 assume !(0 != start_simulation_~tmp~4#1); 245#L419-2 [2024-10-13 17:44:08,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:08,066 INFO L85 PathProgramCache]: Analyzing trace with hash 577671856, now seen corresponding path program 1 times [2024-10-13 17:44:08,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:08,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509087245] [2024-10-13 17:44:08,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:08,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:08,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:08,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:08,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509087245] [2024-10-13 17:44:08,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509087245] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:08,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:08,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 17:44:08,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321911576] [2024-10-13 17:44:08,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:08,201 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:44:08,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:08,201 INFO L85 PathProgramCache]: Analyzing trace with hash 755463123, now seen corresponding path program 1 times [2024-10-13 17:44:08,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:08,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277373509] [2024-10-13 17:44:08,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:08,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:08,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:08,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:08,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277373509] [2024-10-13 17:44:08,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277373509] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:08,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:08,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 17:44:08,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870017047] [2024-10-13 17:44:08,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:08,290 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-13 17:44:08,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:44:08,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 17:44:08,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 17:44:08,290 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. cyclomatic complexity: 43 Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-10-13 17:44:08,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:44:08,415 INFO L93 Difference]: Finished difference Result 211 states and 296 transitions. [2024-10-13 17:44:08,415 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 296 transitions. [2024-10-13 17:44:08,421 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 176 [2024-10-13 17:44:08,425 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 296 transitions. [2024-10-13 17:44:08,425 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2024-10-13 17:44:08,427 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2024-10-13 17:44:08,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 296 transitions. [2024-10-13 17:44:08,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:44:08,428 INFO L218 hiAutomatonCegarLoop]: Abstraction has 211 states and 296 transitions. [2024-10-13 17:44:08,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 296 transitions. [2024-10-13 17:44:08,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 196. [2024-10-13 17:44:08,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 196 states have (on average 1.413265306122449) internal successors, (277), 195 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) [2024-10-13 17:44:08,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 277 transitions. [2024-10-13 17:44:08,450 INFO L240 hiAutomatonCegarLoop]: Abstraction has 196 states and 277 transitions. [2024-10-13 17:44:08,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 17:44:08,451 INFO L425 stractBuchiCegarLoop]: Abstraction has 196 states and 277 transitions. [2024-10-13 17:44:08,451 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-13 17:44:08,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 196 states and 277 transitions. [2024-10-13 17:44:08,453 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 163 [2024-10-13 17:44:08,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:44:08,453 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:44:08,454 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] [2024-10-13 17:44:08,454 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] [2024-10-13 17:44:08,456 INFO L745 eck$LassoCheckResult]: Stem: 594#$Ultimate##0 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; 595#L-1 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; 619#init_model_returnLabel#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; 571#L222 assume !(1 == ~q_req_up~0); 558#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 559#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 605#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 625#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 622#L275 assume !(0 == ~q_read_ev~0); 623#L275-2 assume !(0 == ~q_write_ev~0); 608#L280-1 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; 609#L65 assume !(1 == ~p_dw_pc~0); 616#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 617#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 592#is_do_write_p_triggered_returnLabel#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; 593#L315 assume !(0 != activate_threads_~tmp~1#1); 566#L315-2 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; 567#L84 assume !(1 == ~c_dr_pc~0); 587#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 581#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 582#is_do_read_c_triggered_returnLabel#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; 544#L323 assume !(0 != activate_threads_~tmp___0~1#1); 545#L323-2 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; 634#L293 assume !(1 == ~q_read_ev~0); 538#L293-2 assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 539#L298-1 assume { :end_inline_reset_delta_events } true; 562#L419-2 [2024-10-13 17:44:08,456 INFO L747 eck$LassoCheckResult]: Loop: 562#L419-2 assume !false; 563#L420 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; 578#L364 assume !false; 610#L340 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; 573#L255 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 541#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 560#exists_runnable_thread_returnLabel#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; 561#L344 assume !(0 != eval_~tmp___1~0#1); 574#eval_returnLabel#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; 575#L222-3 assume !(1 == ~q_req_up~0); 607#L222-5 assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 603#L275-3 assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1; 604#L275-5 assume 0 == ~q_write_ev~0;~q_write_ev~0 := 1; 631#L280-3 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; 550#L65-3 assume !(1 == ~p_dw_pc~0); 551#L65-5 is_do_write_p_triggered_~__retres1~0#1 := 0; 721#L76-1 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 719#is_do_write_p_triggered_returnLabel#2 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; 717#L315-3 assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0; 618#L315-5 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; 542#L84-3 assume !(1 == ~c_dr_pc~0); 543#L84-5 is_do_read_c_triggered_~__retres1~1#1 := 0; 601#L95-1 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 602#is_do_read_c_triggered_returnLabel#2 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; 615#L323-3 assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0; 599#L323-5 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; 600#L293-3 assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2; 730#L293-5 assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 729#L298-3 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; 727#L255-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 726#L267-1 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 725#exists_runnable_thread_returnLabel#2 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; 568#L394 assume !(0 != stop_simulation_~tmp~3#1);stop_simulation_~__retres2~0#1 := 1; 552#L401 stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 553#stop_simulation_returnLabel#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; 614#L436 assume !(0 != start_simulation_~tmp~4#1); 562#L419-2 [2024-10-13 17:44:08,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:08,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1617647375, now seen corresponding path program 1 times [2024-10-13 17:44:08,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:08,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506906646] [2024-10-13 17:44:08,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:08,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:08,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:08,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:08,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506906646] [2024-10-13 17:44:08,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506906646] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:08,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:08,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 17:44:08,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781660201] [2024-10-13 17:44:08,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:08,578 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:44:08,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:08,579 INFO L85 PathProgramCache]: Analyzing trace with hash 642076466, now seen corresponding path program 1 times [2024-10-13 17:44:08,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:08,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435139130] [2024-10-13 17:44:08,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:08,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:08,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:08,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:08,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435139130] [2024-10-13 17:44:08,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435139130] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:08,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:08,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 17:44:08,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739164409] [2024-10-13 17:44:08,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:08,656 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-13 17:44:08,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:44:08,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 17:44:08,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 17:44:08,657 INFO L87 Difference]: Start difference. First operand 196 states and 277 transitions. cyclomatic complexity: 83 Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-10-13 17:44:08,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:44:08,782 INFO L93 Difference]: Finished difference Result 449 states and 615 transitions. [2024-10-13 17:44:08,782 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 449 states and 615 transitions. [2024-10-13 17:44:08,788 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 373 [2024-10-13 17:44:08,792 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 449 states to 449 states and 615 transitions. [2024-10-13 17:44:08,793 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 449 [2024-10-13 17:44:08,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 449 [2024-10-13 17:44:08,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 449 states and 615 transitions. [2024-10-13 17:44:08,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:44:08,798 INFO L218 hiAutomatonCegarLoop]: Abstraction has 449 states and 615 transitions. [2024-10-13 17:44:08,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states and 615 transitions. [2024-10-13 17:44:08,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2024-10-13 17:44:08,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 449 states have (on average 1.3697104677060135) internal successors, (615), 448 states have internal predecessors, (615), 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) [2024-10-13 17:44:08,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 615 transitions. [2024-10-13 17:44:08,821 INFO L240 hiAutomatonCegarLoop]: Abstraction has 449 states and 615 transitions. [2024-10-13 17:44:08,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 17:44:08,823 INFO L425 stractBuchiCegarLoop]: Abstraction has 449 states and 615 transitions. [2024-10-13 17:44:08,823 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-13 17:44:08,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 449 states and 615 transitions. [2024-10-13 17:44:08,825 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 373 [2024-10-13 17:44:08,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:44:08,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:44:08,827 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] [2024-10-13 17:44:08,827 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] [2024-10-13 17:44:08,827 INFO L745 eck$LassoCheckResult]: Stem: 1257#$Ultimate##0 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; 1258#L-1 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; 1286#init_model_returnLabel#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; 1231#L222 assume !(1 == ~q_req_up~0); 1233#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 1270#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 1271#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 1303#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 1304#L275 assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1; 1291#L275-2 assume 0 == ~q_write_ev~0;~q_write_ev~0 := 1; 1307#L280-1 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; 1356#L65 assume !(1 == ~p_dw_pc~0); 1355#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 1354#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 1353#is_do_write_p_triggered_returnLabel#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; 1352#L315 assume !(0 != activate_threads_~tmp~1#1); 1351#L315-2 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; 1350#L84 assume !(1 == ~c_dr_pc~0); 1349#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 1348#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 1347#is_do_read_c_triggered_returnLabel#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; 1346#L323 assume !(0 != activate_threads_~tmp___0~1#1); 1345#L323-2 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; 1344#L293 assume !(1 == ~q_read_ev~0); 1342#L293-2 assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 1343#L298-1 assume { :end_inline_reset_delta_events } true; 1510#L419-2 [2024-10-13 17:44:08,828 INFO L747 eck$LassoCheckResult]: Loop: 1510#L419-2 assume !false; 1507#L420 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; 1239#L364 assume !false; 1506#L340 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; 1502#L255 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 1500#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 1499#exists_runnable_thread_returnLabel#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; 1382#L344 assume !(0 != eval_~tmp___1~0#1); 1383#eval_returnLabel#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; 1642#L222-3 assume !(1 == ~q_req_up~0); 1297#L222-5 assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 1268#L275-3 assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1; 1269#L275-5 assume 0 == ~q_write_ev~0;~q_write_ev~0 := 1; 1309#L280-3 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; 1626#L65-3 assume !(1 == ~p_dw_pc~0); 1625#L65-5 is_do_write_p_triggered_~__retres1~0#1 := 0; 1624#L76-1 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 1623#is_do_write_p_triggered_returnLabel#2 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; 1622#L315-3 assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0; 1621#L315-5 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; 1620#L84-3 assume !(1 == ~c_dr_pc~0); 1619#L84-5 is_do_read_c_triggered_~__retres1~1#1 := 0; 1618#L95-1 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 1617#is_do_read_c_triggered_returnLabel#2 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; 1615#L323-3 assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0; 1613#L323-5 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; 1611#L293-3 assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2; 1609#L293-5 assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 1205#L298-3 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; 1277#L255-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 1278#L267-1 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 1252#exists_runnable_thread_returnLabel#2 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; 1227#L394 assume !(0 != stop_simulation_~tmp~3#1);stop_simulation_~__retres2~0#1 := 1; 1210#L401 stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 1211#stop_simulation_returnLabel#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; 1329#L436 assume !(0 != start_simulation_~tmp~4#1); 1510#L419-2 [2024-10-13 17:44:08,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:08,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1964845233, now seen corresponding path program 1 times [2024-10-13 17:44:08,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:08,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489510181] [2024-10-13 17:44:08,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:08,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:08,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:08,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:08,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489510181] [2024-10-13 17:44:08,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489510181] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:08,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:08,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 17:44:08,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569103450] [2024-10-13 17:44:08,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:08,895 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:44:08,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:08,895 INFO L85 PathProgramCache]: Analyzing trace with hash 642076466, now seen corresponding path program 2 times [2024-10-13 17:44:08,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:08,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316457297] [2024-10-13 17:44:08,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:08,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:08,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:08,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:08,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316457297] [2024-10-13 17:44:08,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316457297] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:08,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:08,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 17:44:08,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569566367] [2024-10-13 17:44:08,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:08,953 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-13 17:44:08,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:44:08,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 17:44:08,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 17:44:08,954 INFO L87 Difference]: Start difference. First operand 449 states and 615 transitions. cyclomatic complexity: 170 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-10-13 17:44:08,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:44:08,992 INFO L93 Difference]: Finished difference Result 701 states and 942 transitions. [2024-10-13 17:44:08,992 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 701 states and 942 transitions. [2024-10-13 17:44:08,999 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 583 [2024-10-13 17:44:09,003 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 701 states to 701 states and 942 transitions. [2024-10-13 17:44:09,004 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 701 [2024-10-13 17:44:09,005 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 701 [2024-10-13 17:44:09,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 701 states and 942 transitions. [2024-10-13 17:44:09,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:44:09,008 INFO L218 hiAutomatonCegarLoop]: Abstraction has 701 states and 942 transitions. [2024-10-13 17:44:09,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states and 942 transitions. [2024-10-13 17:44:09,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 510. [2024-10-13 17:44:09,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 510 states have (on average 1.3470588235294119) internal successors, (687), 509 states have internal predecessors, (687), 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) [2024-10-13 17:44:09,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 687 transitions. [2024-10-13 17:44:09,037 INFO L240 hiAutomatonCegarLoop]: Abstraction has 510 states and 687 transitions. [2024-10-13 17:44:09,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 17:44:09,040 INFO L425 stractBuchiCegarLoop]: Abstraction has 510 states and 687 transitions. [2024-10-13 17:44:09,040 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-13 17:44:09,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 510 states and 687 transitions. [2024-10-13 17:44:09,043 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 420 [2024-10-13 17:44:09,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:44:09,043 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:44:09,047 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] [2024-10-13 17:44:09,047 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] [2024-10-13 17:44:09,048 INFO L745 eck$LassoCheckResult]: Stem: 2412#$Ultimate##0 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; 2413#L-1 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; 2437#init_model_returnLabel#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; 2389#L222 assume !(1 == ~q_req_up~0); 2375#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 2376#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 2421#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 2442#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 2439#L275 assume !(0 == ~q_read_ev~0); 2440#L275-2 assume 0 == ~q_write_ev~0;~q_write_ev~0 := 1; 2449#L280-1 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; 2490#L65 assume !(1 == ~p_dw_pc~0); 2488#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 2486#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 2484#is_do_write_p_triggered_returnLabel#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; 2482#L315 assume !(0 != activate_threads_~tmp~1#1); 2480#L315-2 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; 2478#L84 assume !(1 == ~c_dr_pc~0); 2476#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 2474#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 2472#is_do_read_c_triggered_returnLabel#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; 2470#L323 assume !(0 != activate_threads_~tmp___0~1#1); 2468#L323-2 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; 2466#L293 assume !(1 == ~q_read_ev~0); 2463#L293-2 assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 2356#L298-1 assume { :end_inline_reset_delta_events } true; 2381#L419-2 [2024-10-13 17:44:09,049 INFO L747 eck$LassoCheckResult]: Loop: 2381#L419-2 assume !false; 2382#L420 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; 2396#L364 assume !false; 2426#L340 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; 2391#L255 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 2360#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 2377#exists_runnable_thread_returnLabel#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; 2378#L344 assume !(0 != eval_~tmp___1~0#1); 2392#eval_returnLabel#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; 2393#L222-3 assume !(1 == ~q_req_up~0); 2423#L222-5 assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 2419#L275-3 assume !(0 == ~q_read_ev~0); 2420#L275-5 assume 0 == ~q_write_ev~0;~q_write_ev~0 := 1; 2450#L280-3 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; 2840#L65-3 assume !(1 == ~p_dw_pc~0); 2839#L65-5 is_do_write_p_triggered_~__retres1~0#1 := 0; 2838#L76-1 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 2837#is_do_write_p_triggered_returnLabel#2 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; 2836#L315-3 assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0; 2835#L315-5 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; 2834#L84-3 assume !(1 == ~c_dr_pc~0); 2833#L84-5 is_do_read_c_triggered_~__retres1~1#1 := 0; 2832#L95-1 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 2831#is_do_read_c_triggered_returnLabel#2 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; 2830#L323-3 assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0; 2829#L323-5 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; 2828#L293-3 assume !(1 == ~q_read_ev~0); 2718#L293-5 assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 2364#L298-3 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; 2427#L255-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 2428#L267-1 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 2407#exists_runnable_thread_returnLabel#2 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; 2385#L394 assume !(0 != stop_simulation_~tmp~3#1);stop_simulation_~__retres2~0#1 := 1; 2371#L401 stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 2372#stop_simulation_returnLabel#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; 2431#L436 assume !(0 != start_simulation_~tmp~4#1); 2381#L419-2 [2024-10-13 17:44:09,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:09,050 INFO L85 PathProgramCache]: Analyzing trace with hash -29299473, now seen corresponding path program 1 times [2024-10-13 17:44:09,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:09,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38372471] [2024-10-13 17:44:09,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:09,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:09,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:09,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:09,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38372471] [2024-10-13 17:44:09,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38372471] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:09,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:09,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 17:44:09,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071939766] [2024-10-13 17:44:09,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:09,098 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:44:09,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:09,100 INFO L85 PathProgramCache]: Analyzing trace with hash 389598066, now seen corresponding path program 1 times [2024-10-13 17:44:09,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:09,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001091368] [2024-10-13 17:44:09,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:09,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:09,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:09,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:09,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001091368] [2024-10-13 17:44:09,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001091368] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:09,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:09,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 17:44:09,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100435981] [2024-10-13 17:44:09,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:09,156 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-13 17:44:09,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:44:09,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 17:44:09,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 17:44:09,157 INFO L87 Difference]: Start difference. First operand 510 states and 687 transitions. cyclomatic complexity: 179 Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-10-13 17:44:09,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:44:09,234 INFO L93 Difference]: Finished difference Result 745 states and 993 transitions. [2024-10-13 17:44:09,234 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 745 states and 993 transitions. [2024-10-13 17:44:09,239 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 619 [2024-10-13 17:44:09,243 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 745 states to 745 states and 993 transitions. [2024-10-13 17:44:09,243 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 745 [2024-10-13 17:44:09,244 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 745 [2024-10-13 17:44:09,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 745 states and 993 transitions. [2024-10-13 17:44:09,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:44:09,245 INFO L218 hiAutomatonCegarLoop]: Abstraction has 745 states and 993 transitions. [2024-10-13 17:44:09,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states and 993 transitions. [2024-10-13 17:44:09,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 563. [2024-10-13 17:44:09,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 563 states have (on average 1.3374777975133214) internal successors, (753), 562 states have internal predecessors, (753), 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) [2024-10-13 17:44:09,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 753 transitions. [2024-10-13 17:44:09,255 INFO L240 hiAutomatonCegarLoop]: Abstraction has 563 states and 753 transitions. [2024-10-13 17:44:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 17:44:09,258 INFO L425 stractBuchiCegarLoop]: Abstraction has 563 states and 753 transitions. [2024-10-13 17:44:09,258 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-13 17:44:09,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 563 states and 753 transitions. [2024-10-13 17:44:09,260 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 456 [2024-10-13 17:44:09,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:44:09,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:44:09,263 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] [2024-10-13 17:44:09,263 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] [2024-10-13 17:44:09,263 INFO L745 eck$LassoCheckResult]: Stem: 3682#$Ultimate##0 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; 3683#L-1 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; 3707#init_model_returnLabel#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; 3657#L222 assume !(1 == ~q_req_up~0); 3645#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 3646#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 3786#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 3718#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 3709#L275 assume !(0 == ~q_read_ev~0); 3710#L275-2 assume !(0 == ~q_write_ev~0); 3695#L280-1 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; 3696#L65 assume !(1 == ~p_dw_pc~0); 3703#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 3704#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 3677#is_do_write_p_triggered_returnLabel#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; 3678#L315 assume !(0 != activate_threads_~tmp~1#1); 3651#L315-2 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; 3652#L84 assume !(1 == ~c_dr_pc~0); 3673#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 3667#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 3668#is_do_read_c_triggered_returnLabel#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; 3628#L323 assume !(0 != activate_threads_~tmp___0~1#1); 3629#L323-2 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; 3723#L293 assume !(1 == ~q_read_ev~0); 3622#L293-2 assume !(1 == ~q_write_ev~0); 3623#L298-1 assume { :end_inline_reset_delta_events } true; 3649#L419-2 [2024-10-13 17:44:09,263 INFO L747 eck$LassoCheckResult]: Loop: 3649#L419-2 assume !false; 3650#L420 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; 3662#L364 assume !false; 3694#L340 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; 3659#L255 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 3625#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 3827#exists_runnable_thread_returnLabel#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; 3824#L344 assume !(0 != eval_~tmp___1~0#1); 3825#eval_returnLabel#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; 4172#L222-3 assume !(1 == ~q_req_up~0); 4171#L222-5 assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 4169#L275-3 assume !(0 == ~q_read_ev~0); 4167#L275-5 assume !(0 == ~q_write_ev~0); 3735#L280-3 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; 3634#L65-3 assume !(1 == ~p_dw_pc~0); 3635#L65-5 is_do_write_p_triggered_~__retres1~0#1 := 0; 3671#L76-1 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 3719#is_do_write_p_triggered_returnLabel#2 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; 3721#L315-3 assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0; 3705#L315-5 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; 3626#L84-3 assume !(1 == ~c_dr_pc~0); 3627#L84-5 is_do_read_c_triggered_~__retres1~1#1 := 0; 3686#L95-1 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 3687#is_do_read_c_triggered_returnLabel#2 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; 3702#L323-3 assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0; 3684#L323-5 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; 3685#L293-3 assume !(1 == ~q_read_ev~0); 3717#L293-5 assume !(1 == ~q_write_ev~0); 4127#L298-3 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; 4122#L255-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 4120#L267-1 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 4118#exists_runnable_thread_returnLabel#2 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; 4117#L394 assume !(0 != stop_simulation_~tmp~3#1);stop_simulation_~__retres2~0#1 := 1; 4114#L401 stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 4112#stop_simulation_returnLabel#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; 3701#L436 assume !(0 != start_simulation_~tmp~4#1); 3649#L419-2 [2024-10-13 17:44:09,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:09,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1617647313, now seen corresponding path program 1 times [2024-10-13 17:44:09,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:09,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90896579] [2024-10-13 17:44:09,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:09,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:09,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:44:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:09,321 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:44:09,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:09,322 INFO L85 PathProgramCache]: Analyzing trace with hash 935642930, now seen corresponding path program 1 times [2024-10-13 17:44:09,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:09,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676411957] [2024-10-13 17:44:09,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:09,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:09,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:09,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:09,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676411957] [2024-10-13 17:44:09,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676411957] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:09,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:09,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 17:44:09,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239108732] [2024-10-13 17:44:09,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:09,369 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-13 17:44:09,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:44:09,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 17:44:09,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 17:44:09,369 INFO L87 Difference]: Start difference. First operand 563 states and 753 transitions. cyclomatic complexity: 192 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) [2024-10-13 17:44:09,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:44:09,430 INFO L93 Difference]: Finished difference Result 593 states and 783 transitions. [2024-10-13 17:44:09,431 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 593 states and 783 transitions. [2024-10-13 17:44:09,434 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 486 [2024-10-13 17:44:09,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 593 states to 593 states and 783 transitions. [2024-10-13 17:44:09,437 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 593 [2024-10-13 17:44:09,437 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 593 [2024-10-13 17:44:09,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 593 states and 783 transitions. [2024-10-13 17:44:09,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:44:09,438 INFO L218 hiAutomatonCegarLoop]: Abstraction has 593 states and 783 transitions. [2024-10-13 17:44:09,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states and 783 transitions. [2024-10-13 17:44:09,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 581. [2024-10-13 17:44:09,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 581 states have (on average 1.3270223752151462) internal successors, (771), 580 states have internal predecessors, (771), 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) [2024-10-13 17:44:09,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 771 transitions. [2024-10-13 17:44:09,447 INFO L240 hiAutomatonCegarLoop]: Abstraction has 581 states and 771 transitions. [2024-10-13 17:44:09,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 17:44:09,448 INFO L425 stractBuchiCegarLoop]: Abstraction has 581 states and 771 transitions. [2024-10-13 17:44:09,448 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-13 17:44:09,448 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 581 states and 771 transitions. [2024-10-13 17:44:09,451 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 474 [2024-10-13 17:44:09,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:44:09,451 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:44:09,455 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] [2024-10-13 17:44:09,456 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] [2024-10-13 17:44:09,456 INFO L745 eck$LassoCheckResult]: Stem: 4848#$Ultimate##0 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; 4849#L-1 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; 4881#init_model_returnLabel#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; 4822#L222 assume !(1 == ~q_req_up~0); 4824#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 4973#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 4971#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 4969#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 4967#L275 assume !(0 == ~q_read_ev~0); 4901#L275-2 assume !(0 == ~q_write_ev~0); 4902#L280-1 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; 4963#L65 assume !(1 == ~p_dw_pc~0); 4961#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 4959#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 4957#is_do_write_p_triggered_returnLabel#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; 4955#L315 assume !(0 != activate_threads_~tmp~1#1); 4953#L315-2 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; 4951#L84 assume !(1 == ~c_dr_pc~0); 4949#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 4947#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 4945#is_do_read_c_triggered_returnLabel#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; 4943#L323 assume !(0 != activate_threads_~tmp___0~1#1); 4941#L323-2 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; 4939#L293 assume !(1 == ~q_read_ev~0); 4786#L293-2 assume !(1 == ~q_write_ev~0); 4787#L298-1 assume { :end_inline_reset_delta_events } true; 5155#L419-2 [2024-10-13 17:44:09,456 INFO L747 eck$LassoCheckResult]: Loop: 5155#L419-2 assume !false; 5154#L420 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; 5152#L364 assume !false; 5151#L340 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; 5150#L255 assume !(0 == ~p_dw_st~0); 5148#L259 assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0; 5143#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 5144#exists_runnable_thread_returnLabel#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; 5274#L344 assume !(0 != eval_~tmp___1~0#1); 5275#eval_returnLabel#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; 4872#L222-3 assume !(1 == ~q_req_up~0); 4873#L222-5 assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 5328#L275-3 assume !(0 == ~q_read_ev~0); 5326#L275-5 assume !(0 == ~q_write_ev~0); 4927#L280-3 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; 4799#L65-3 assume !(1 == ~p_dw_pc~0); 4800#L65-5 is_do_write_p_triggered_~__retres1~0#1 := 0; 4838#L76-1 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 4903#is_do_write_p_triggered_returnLabel#2 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; 4929#L315-3 assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0; 5364#L315-5 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; 4791#L84-3 assume !(1 == ~c_dr_pc~0); 4792#L84-5 is_do_read_c_triggered_~__retres1~1#1 := 0; 4890#L95-1 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 5363#is_do_read_c_triggered_returnLabel#2 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; 4928#L323-3 assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0; 4853#L323-5 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; 4854#L293-3 assume !(1 == ~q_read_ev~0); 5286#L293-5 assume !(1 == ~q_write_ev~0); 5341#L298-3 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; 4867#L255-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 4868#L267-1 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 5160#exists_runnable_thread_returnLabel#2 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; 5159#L394 assume !(0 != stop_simulation_~tmp~3#1);stop_simulation_~__retres2~0#1 := 1; 5158#L401 stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 5157#stop_simulation_returnLabel#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; 5156#L436 assume !(0 != start_simulation_~tmp~4#1); 5155#L419-2 [2024-10-13 17:44:09,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:09,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1617647313, now seen corresponding path program 2 times [2024-10-13 17:44:09,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:09,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191843479] [2024-10-13 17:44:09,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:09,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:09,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:44:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:09,474 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:44:09,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:09,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1296496688, now seen corresponding path program 1 times [2024-10-13 17:44:09,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:09,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135524335] [2024-10-13 17:44:09,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:09,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:09,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:09,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:09,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135524335] [2024-10-13 17:44:09,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135524335] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:09,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:09,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 17:44:09,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303091988] [2024-10-13 17:44:09,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:09,539 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-13 17:44:09,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:44:09,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 17:44:09,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 17:44:09,540 INFO L87 Difference]: Start difference. First operand 581 states and 771 transitions. cyclomatic complexity: 192 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) [2024-10-13 17:44:09,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:44:09,572 INFO L93 Difference]: Finished difference Result 599 states and 789 transitions. [2024-10-13 17:44:09,572 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 599 states and 789 transitions. [2024-10-13 17:44:09,575 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 492 [2024-10-13 17:44:09,578 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 599 states to 599 states and 789 transitions. [2024-10-13 17:44:09,578 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 599 [2024-10-13 17:44:09,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 599 [2024-10-13 17:44:09,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 599 states and 789 transitions. [2024-10-13 17:44:09,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:44:09,580 INFO L218 hiAutomatonCegarLoop]: Abstraction has 599 states and 789 transitions. [2024-10-13 17:44:09,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states and 789 transitions. [2024-10-13 17:44:09,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2024-10-13 17:44:09,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 599 states have (on average 1.317195325542571) internal successors, (789), 598 states have internal predecessors, (789), 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) [2024-10-13 17:44:09,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 789 transitions. [2024-10-13 17:44:09,590 INFO L240 hiAutomatonCegarLoop]: Abstraction has 599 states and 789 transitions. [2024-10-13 17:44:09,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 17:44:09,592 INFO L425 stractBuchiCegarLoop]: Abstraction has 599 states and 789 transitions. [2024-10-13 17:44:09,592 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-13 17:44:09,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 599 states and 789 transitions. [2024-10-13 17:44:09,595 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 492 [2024-10-13 17:44:09,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:44:09,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:44:09,595 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] [2024-10-13 17:44:09,595 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] [2024-10-13 17:44:09,596 INFO L745 eck$LassoCheckResult]: Stem: 6037#$Ultimate##0 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; 6038#L-1 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; 6066#init_model_returnLabel#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; 6012#L222 assume !(1 == ~q_req_up~0); 6014#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 6155#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 6153#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 6151#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 6149#L275 assume !(0 == ~q_read_ev~0); 6085#L275-2 assume !(0 == ~q_write_ev~0); 6086#L280-1 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; 6145#L65 assume !(1 == ~p_dw_pc~0); 6143#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 6141#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 6139#is_do_write_p_triggered_returnLabel#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; 6137#L315 assume !(0 != activate_threads_~tmp~1#1); 6135#L315-2 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; 6133#L84 assume !(1 == ~c_dr_pc~0); 6131#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 6129#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 6127#is_do_read_c_triggered_returnLabel#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; 6125#L323 assume !(0 != activate_threads_~tmp___0~1#1); 6123#L323-2 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; 6121#L293 assume !(1 == ~q_read_ev~0); 5974#L293-2 assume !(1 == ~q_write_ev~0); 5975#L298-1 assume { :end_inline_reset_delta_events } true; 6370#L419-2 [2024-10-13 17:44:09,596 INFO L747 eck$LassoCheckResult]: Loop: 6370#L419-2 assume !false; 6369#L420 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; 6367#L364 assume !false; 6366#L340 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; 6365#L255 assume !(0 == ~p_dw_st~0); 6363#L259 assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0; 6364#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 6477#exists_runnable_thread_returnLabel#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; 6476#L344 assume !(0 != eval_~tmp___1~0#1); 6472#eval_returnLabel#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; 6460#L222-3 assume !(1 == ~q_req_up~0); 6454#L222-5 assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 6450#L275-3 assume !(0 == ~q_read_ev~0); 6446#L275-5 assume !(0 == ~q_write_ev~0); 6442#L280-3 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; 6438#L65-3 assume !(1 == ~p_dw_pc~0); 6434#L65-5 is_do_write_p_triggered_~__retres1~0#1 := 0; 6430#L76-1 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 6426#is_do_write_p_triggered_returnLabel#2 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; 6422#L315-3 assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0; 6418#L315-5 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; 6414#L84-3 assume !(1 == ~c_dr_pc~0); 6410#L84-5 is_do_read_c_triggered_~__retres1~1#1 := 0; 6406#L95-1 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 6402#is_do_read_c_triggered_returnLabel#2 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; 6398#L323-3 assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0; 6394#L323-5 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; 6390#L293-3 assume !(1 == ~q_read_ev~0); 6384#L293-5 assume !(1 == ~q_write_ev~0); 6382#L298-3 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; 6381#L255-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 6379#L267-1 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 6377#exists_runnable_thread_returnLabel#2 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; 6375#L394 assume 0 != stop_simulation_~tmp~3#1;stop_simulation_~__retres2~0#1 := 0; 6373#L401 stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 6372#stop_simulation_returnLabel#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; 6371#L436 assume !(0 != start_simulation_~tmp~4#1); 6370#L419-2 [2024-10-13 17:44:09,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:09,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1617647313, now seen corresponding path program 3 times [2024-10-13 17:44:09,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:09,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796861557] [2024-10-13 17:44:09,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:09,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:09,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:44:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:09,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:44:09,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:09,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1296437106, now seen corresponding path program 1 times [2024-10-13 17:44:09,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:09,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609455132] [2024-10-13 17:44:09,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:09,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:09,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:09,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:09,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609455132] [2024-10-13 17:44:09,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609455132] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:09,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:09,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 17:44:09,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103242248] [2024-10-13 17:44:09,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:09,696 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-13 17:44:09,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:44:09,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 17:44:09,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 17:44:09,697 INFO L87 Difference]: Start difference. First operand 599 states and 789 transitions. cyclomatic complexity: 192 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) [2024-10-13 17:44:09,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:44:09,730 INFO L93 Difference]: Finished difference Result 611 states and 789 transitions. [2024-10-13 17:44:09,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 611 states and 789 transitions. [2024-10-13 17:44:09,733 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 504 [2024-10-13 17:44:09,736 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 611 states to 611 states and 789 transitions. [2024-10-13 17:44:09,736 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 611 [2024-10-13 17:44:09,736 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 611 [2024-10-13 17:44:09,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 611 states and 789 transitions. [2024-10-13 17:44:09,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:44:09,737 INFO L218 hiAutomatonCegarLoop]: Abstraction has 611 states and 789 transitions. [2024-10-13 17:44:09,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states and 789 transitions. [2024-10-13 17:44:09,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 611. [2024-10-13 17:44:09,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 611 states have (on average 1.2913256955810146) internal successors, (789), 610 states have internal predecessors, (789), 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) [2024-10-13 17:44:09,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 789 transitions. [2024-10-13 17:44:09,746 INFO L240 hiAutomatonCegarLoop]: Abstraction has 611 states and 789 transitions. [2024-10-13 17:44:09,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 17:44:09,749 INFO L425 stractBuchiCegarLoop]: Abstraction has 611 states and 789 transitions. [2024-10-13 17:44:09,749 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-13 17:44:09,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 611 states and 789 transitions. [2024-10-13 17:44:09,751 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 504 [2024-10-13 17:44:09,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:44:09,752 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:44:09,754 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] [2024-10-13 17:44:09,754 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] [2024-10-13 17:44:09,754 INFO L745 eck$LassoCheckResult]: Stem: 7254#$Ultimate##0 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; 7255#L-1 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; 7282#init_model_returnLabel#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; 7229#L222 assume !(1 == ~q_req_up~0); 7231#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 7369#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 7367#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 7365#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 7363#L275 assume !(0 == ~q_read_ev~0); 7300#L275-2 assume !(0 == ~q_write_ev~0); 7301#L280-1 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; 7359#L65 assume !(1 == ~p_dw_pc~0); 7357#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 7355#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 7353#is_do_write_p_triggered_returnLabel#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; 7351#L315 assume !(0 != activate_threads_~tmp~1#1); 7349#L315-2 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; 7347#L84 assume !(1 == ~c_dr_pc~0); 7345#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 7343#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 7341#is_do_read_c_triggered_returnLabel#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; 7339#L323 assume !(0 != activate_threads_~tmp___0~1#1); 7337#L323-2 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; 7335#L293 assume !(1 == ~q_read_ev~0); 7334#L293-2 assume !(1 == ~q_write_ev~0); 7297#L298-1 assume { :end_inline_reset_delta_events } true; 7298#L419-2 [2024-10-13 17:44:09,754 INFO L747 eck$LassoCheckResult]: Loop: 7298#L419-2 assume !false; 7665#L420 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; 7663#L364 assume !false; 7662#L340 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; 7661#L255 assume !(0 == ~p_dw_st~0); 7660#L259 assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0; 7658#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 7656#exists_runnable_thread_returnLabel#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; 7655#L344 assume !(0 != eval_~tmp___1~0#1); 7654#eval_returnLabel#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; 7652#L222-3 assume !(1 == ~q_req_up~0); 7653#L222-5 assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 7709#L275-3 assume !(0 == ~q_read_ev~0); 7707#L275-5 assume !(0 == ~q_write_ev~0); 7705#L280-3 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; 7703#L65-3 assume !(1 == ~p_dw_pc~0); 7701#L65-5 is_do_write_p_triggered_~__retres1~0#1 := 0; 7699#L76-1 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 7697#is_do_write_p_triggered_returnLabel#2 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; 7695#L315-3 assume !(0 != activate_threads_~tmp~1#1); 7693#L315-5 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; 7691#L84-3 assume !(1 == ~c_dr_pc~0); 7689#L84-5 is_do_read_c_triggered_~__retres1~1#1 := 0; 7687#L95-1 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 7685#is_do_read_c_triggered_returnLabel#2 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; 7683#L323-3 assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0; 7681#L323-5 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; 7679#L293-3 assume !(1 == ~q_read_ev~0); 7604#L293-5 assume !(1 == ~q_write_ev~0); 7677#L298-3 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; 7676#L255-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 7674#L267-1 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 7672#exists_runnable_thread_returnLabel#2 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; 7670#L394 assume 0 != stop_simulation_~tmp~3#1;stop_simulation_~__retres2~0#1 := 0; 7668#L401 stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 7667#stop_simulation_returnLabel#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; 7666#L436 assume !(0 != start_simulation_~tmp~4#1); 7298#L419-2 [2024-10-13 17:44:09,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:09,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1617647313, now seen corresponding path program 4 times [2024-10-13 17:44:09,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:09,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207058937] [2024-10-13 17:44:09,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:09,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:09,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:44:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:09,772 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:44:09,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:09,773 INFO L85 PathProgramCache]: Analyzing trace with hash -697707600, now seen corresponding path program 1 times [2024-10-13 17:44:09,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:09,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108139001] [2024-10-13 17:44:09,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:09,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:09,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:09,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:09,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108139001] [2024-10-13 17:44:09,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108139001] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:09,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:09,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 17:44:09,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615190797] [2024-10-13 17:44:09,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:09,801 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-13 17:44:09,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:44:09,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 17:44:09,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 17:44:09,802 INFO L87 Difference]: Start difference. First operand 611 states and 789 transitions. cyclomatic complexity: 180 Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) [2024-10-13 17:44:09,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:44:09,825 INFO L93 Difference]: Finished difference Result 816 states and 1019 transitions. [2024-10-13 17:44:09,825 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 816 states and 1019 transitions. [2024-10-13 17:44:09,830 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 613 [2024-10-13 17:44:09,833 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 816 states to 816 states and 1019 transitions. [2024-10-13 17:44:09,833 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 816 [2024-10-13 17:44:09,834 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 816 [2024-10-13 17:44:09,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 816 states and 1019 transitions. [2024-10-13 17:44:09,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:44:09,835 INFO L218 hiAutomatonCegarLoop]: Abstraction has 816 states and 1019 transitions. [2024-10-13 17:44:09,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states and 1019 transitions. [2024-10-13 17:44:09,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 816. [2024-10-13 17:44:09,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 816 states have (on average 1.2487745098039216) internal successors, (1019), 815 states have internal predecessors, (1019), 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) [2024-10-13 17:44:09,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1019 transitions. [2024-10-13 17:44:09,848 INFO L240 hiAutomatonCegarLoop]: Abstraction has 816 states and 1019 transitions. [2024-10-13 17:44:09,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 17:44:09,849 INFO L425 stractBuchiCegarLoop]: Abstraction has 816 states and 1019 transitions. [2024-10-13 17:44:09,850 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-13 17:44:09,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 816 states and 1019 transitions. [2024-10-13 17:44:09,853 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 613 [2024-10-13 17:44:09,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:44:09,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:44:09,854 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] [2024-10-13 17:44:09,854 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] [2024-10-13 17:44:09,854 INFO L745 eck$LassoCheckResult]: Stem: 8693#$Ultimate##0 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; 8694#L-1 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; 8722#init_model_returnLabel#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; 8662#L222 assume !(1 == ~q_req_up~0); 8664#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 8701#L237 assume !(1 == ~p_dw_i~0);~p_dw_st~0 := 2; 8702#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 8728#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 8945#L275 assume !(0 == ~q_read_ev~0); 8944#L275-2 assume !(0 == ~q_write_ev~0); 8834#L280-1 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; 8942#L65 assume !(1 == ~p_dw_pc~0); 8940#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 8938#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 8936#is_do_write_p_triggered_returnLabel#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; 8934#L315 assume !(0 != activate_threads_~tmp~1#1); 8932#L315-2 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; 8930#L84 assume !(1 == ~c_dr_pc~0); 8928#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 8926#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 8924#is_do_read_c_triggered_returnLabel#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; 8922#L323 assume !(0 != activate_threads_~tmp___0~1#1); 8920#L323-2 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; 8918#L293 assume !(1 == ~q_read_ev~0); 8917#L293-2 assume !(1 == ~q_write_ev~0); 8734#L298-1 assume { :end_inline_reset_delta_events } true; 8653#L419-2 [2024-10-13 17:44:09,855 INFO L747 eck$LassoCheckResult]: Loop: 8653#L419-2 assume !false; 8654#L420 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; 9311#L364 assume !false; 9312#L340 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; 8665#L255 assume !(0 == ~p_dw_st~0); 8666#L259 assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0; 9364#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 9423#exists_runnable_thread_returnLabel#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; 9421#L344 assume !(0 != eval_~tmp___1~0#1); 9420#eval_returnLabel#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; 9411#L222-3 assume !(1 == ~q_req_up~0); 9409#L222-5 assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 9407#L275-3 assume !(0 == ~q_read_ev~0); 9405#L275-5 assume !(0 == ~q_write_ev~0); 9403#L280-3 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; 9401#L65-3 assume !(1 == ~p_dw_pc~0); 9399#L65-5 is_do_write_p_triggered_~__retres1~0#1 := 0; 9397#L76-1 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 9395#is_do_write_p_triggered_returnLabel#2 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; 9393#L315-3 assume !(0 != activate_threads_~tmp~1#1); 9391#L315-5 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; 9389#L84-3 assume !(1 == ~c_dr_pc~0); 9387#L84-5 is_do_read_c_triggered_~__retres1~1#1 := 0; 9385#L95-1 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 9383#is_do_read_c_triggered_returnLabel#2 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; 9381#L323-3 assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0; 9379#L323-5 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; 9376#L293-3 assume !(1 == ~q_read_ev~0); 9374#L293-5 assume !(1 == ~q_write_ev~0); 8761#L298-3 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; 8762#L255-1 assume !(0 == ~p_dw_st~0); 8752#L259-1 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 8753#L267-1 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 9370#exists_runnable_thread_returnLabel#2 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; 8657#L394 assume 0 != stop_simulation_~tmp~3#1;stop_simulation_~__retres2~0#1 := 0; 8658#L401 stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 8764#stop_simulation_returnLabel#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; 8715#L436 assume !(0 != start_simulation_~tmp~4#1); 8653#L419-2 [2024-10-13 17:44:09,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:09,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1194945487, now seen corresponding path program 1 times [2024-10-13 17:44:09,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:09,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805783831] [2024-10-13 17:44:09,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:09,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:09,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:09,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:09,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805783831] [2024-10-13 17:44:09,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805783831] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:09,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:09,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 17:44:09,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074247084] [2024-10-13 17:44:09,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:09,877 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:44:09,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:09,878 INFO L85 PathProgramCache]: Analyzing trace with hash -278642870, now seen corresponding path program 1 times [2024-10-13 17:44:09,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:09,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4801776] [2024-10-13 17:44:09,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:09,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:09,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:09,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:09,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4801776] [2024-10-13 17:44:09,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4801776] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:09,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:09,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 17:44:09,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099478498] [2024-10-13 17:44:09,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:09,925 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-13 17:44:09,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:44:09,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 17:44:09,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 17:44:09,925 INFO L87 Difference]: Start difference. First operand 816 states and 1019 transitions. cyclomatic complexity: 205 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-10-13 17:44:09,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:44:09,933 INFO L93 Difference]: Finished difference Result 738 states and 925 transitions. [2024-10-13 17:44:09,933 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 738 states and 925 transitions. [2024-10-13 17:44:09,936 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 613 [2024-10-13 17:44:09,939 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 738 states to 738 states and 925 transitions. [2024-10-13 17:44:09,939 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 738 [2024-10-13 17:44:09,940 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 738 [2024-10-13 17:44:09,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 738 states and 925 transitions. [2024-10-13 17:44:09,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:44:09,941 INFO L218 hiAutomatonCegarLoop]: Abstraction has 738 states and 925 transitions. [2024-10-13 17:44:09,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states and 925 transitions. [2024-10-13 17:44:09,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 738. [2024-10-13 17:44:09,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 738 states have (on average 1.2533875338753389) internal successors, (925), 737 states have internal predecessors, (925), 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) [2024-10-13 17:44:09,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 925 transitions. [2024-10-13 17:44:09,951 INFO L240 hiAutomatonCegarLoop]: Abstraction has 738 states and 925 transitions. [2024-10-13 17:44:09,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 17:44:09,952 INFO L425 stractBuchiCegarLoop]: Abstraction has 738 states and 925 transitions. [2024-10-13 17:44:09,952 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-10-13 17:44:09,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 738 states and 925 transitions. [2024-10-13 17:44:09,969 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 613 [2024-10-13 17:44:09,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:44:09,969 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:44:09,970 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] [2024-10-13 17:44:09,970 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:44:09,970 INFO L745 eck$LassoCheckResult]: Stem: 10250#$Ultimate##0 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; 10251#L-1 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; 10280#init_model_returnLabel#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; 10224#L222 assume !(1 == ~q_req_up~0); 10226#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 10374#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 10372#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 10370#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 10368#L275 assume !(0 == ~q_read_ev~0); 10298#L275-2 assume !(0 == ~q_write_ev~0); 10299#L280-1 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; 10364#L65 assume !(1 == ~p_dw_pc~0); 10362#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 10360#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 10358#is_do_write_p_triggered_returnLabel#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; 10356#L315 assume !(0 != activate_threads_~tmp~1#1); 10354#L315-2 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; 10352#L84 assume !(1 == ~c_dr_pc~0); 10350#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 10348#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 10346#is_do_read_c_triggered_returnLabel#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; 10344#L323 assume !(0 != activate_threads_~tmp___0~1#1); 10342#L323-2 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; 10340#L293 assume !(1 == ~q_read_ev~0); 10339#L293-2 assume !(1 == ~q_write_ev~0); 10295#L298-1 assume { :end_inline_reset_delta_events } true; 10296#L419-2 assume !false; 10452#L420 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; 10453#L364 assume !false; 10442#L340 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; 10443#L255 assume !(0 == ~p_dw_st~0); 10228#L259 [2024-10-13 17:44:09,970 INFO L747 eck$LassoCheckResult]: Loop: 10228#L259 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 10898#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 10897#exists_runnable_thread_returnLabel#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; 10761#L344 assume 0 != eval_~tmp___1~0#1; 10757#L344-1 assume !(0 == ~p_dw_st~0); 10229#L349 assume !(0 == ~c_dr_st~0); 10231#L364 assume !false; 10268#L340 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; 10227#L255 assume !(0 == ~p_dw_st~0); 10228#L259 [2024-10-13 17:44:09,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:09,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1220673252, now seen corresponding path program 1 times [2024-10-13 17:44:09,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:09,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158371490] [2024-10-13 17:44:09,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:09,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:10,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:10,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:10,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158371490] [2024-10-13 17:44:10,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158371490] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:10,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:10,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 17:44:10,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863440768] [2024-10-13 17:44:10,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:10,006 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:44:10,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:10,006 INFO L85 PathProgramCache]: Analyzing trace with hash -563681025, now seen corresponding path program 1 times [2024-10-13 17:44:10,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:10,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731929152] [2024-10-13 17:44:10,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:10,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:10,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:10,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:10,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731929152] [2024-10-13 17:44:10,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731929152] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:10,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:10,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 17:44:10,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969082374] [2024-10-13 17:44:10,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:10,025 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-13 17:44:10,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:44:10,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 17:44:10,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 17:44:10,026 INFO L87 Difference]: Start difference. First operand 738 states and 925 transitions. cyclomatic complexity: 189 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) [2024-10-13 17:44:10,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:44:10,047 INFO L93 Difference]: Finished difference Result 806 states and 1003 transitions. [2024-10-13 17:44:10,047 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 806 states and 1003 transitions. [2024-10-13 17:44:10,051 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 681 [2024-10-13 17:44:10,054 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 806 states to 806 states and 1003 transitions. [2024-10-13 17:44:10,054 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 806 [2024-10-13 17:44:10,055 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 806 [2024-10-13 17:44:10,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 806 states and 1003 transitions. [2024-10-13 17:44:10,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:44:10,056 INFO L218 hiAutomatonCegarLoop]: Abstraction has 806 states and 1003 transitions. [2024-10-13 17:44:10,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states and 1003 transitions. [2024-10-13 17:44:10,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 786. [2024-10-13 17:44:10,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 786 states have (on average 1.248091603053435) internal successors, (981), 785 states have internal predecessors, (981), 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) [2024-10-13 17:44:10,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 981 transitions. [2024-10-13 17:44:10,068 INFO L240 hiAutomatonCegarLoop]: Abstraction has 786 states and 981 transitions. [2024-10-13 17:44:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 17:44:10,069 INFO L425 stractBuchiCegarLoop]: Abstraction has 786 states and 981 transitions. [2024-10-13 17:44:10,069 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-10-13 17:44:10,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 786 states and 981 transitions. [2024-10-13 17:44:10,072 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 661 [2024-10-13 17:44:10,072 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:44:10,072 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:44:10,073 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] [2024-10-13 17:44:10,073 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:44:10,073 INFO L745 eck$LassoCheckResult]: Stem: 11801#$Ultimate##0 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; 11802#L-1 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; 11836#init_model_returnLabel#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; 11776#L222 assume !(1 == ~q_req_up~0); 11778#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 11813#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 11814#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 11844#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 11841#L275 assume !(0 == ~q_read_ev~0); 11842#L275-2 assume !(0 == ~q_write_ev~0); 11854#L280-1 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; 11879#L65 assume !(1 == ~p_dw_pc~0); 11833#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 11834#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 11945#is_do_write_p_triggered_returnLabel#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; 11944#L315 assume !(0 != activate_threads_~tmp~1#1); 11943#L315-2 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; 11942#L84 assume !(1 == ~c_dr_pc~0); 11941#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 11940#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 11808#is_do_read_c_triggered_returnLabel#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; 11745#L323 assume !(0 != activate_threads_~tmp___0~1#1); 11746#L323-2 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; 11860#L293 assume !(1 == ~q_read_ev~0); 11739#L293-2 assume !(1 == ~q_write_ev~0); 11740#L298-1 assume { :end_inline_reset_delta_events } true; 12303#L419-2 assume !false; 12302#L420 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; 12301#L364 assume !false; 12300#L340 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; 12298#L255 assume !(0 == ~p_dw_st~0); 12299#L259 [2024-10-13 17:44:10,074 INFO L747 eck$LassoCheckResult]: Loop: 12299#L259 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 12398#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 12518#exists_runnable_thread_returnLabel#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; 11803#L344 assume 0 != eval_~tmp___1~0#1; 11804#L344-1 assume !(0 == ~p_dw_st~0); 12268#L349 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; 11837#L368 assume !(0 != eval_~tmp___0~2#1); 11838#L364 assume !false; 12520#L340 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; 12519#L255 assume !(0 == ~p_dw_st~0); 12299#L259 [2024-10-13 17:44:10,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:10,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1220673252, now seen corresponding path program 2 times [2024-10-13 17:44:10,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:10,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700715592] [2024-10-13 17:44:10,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:10,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:10,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:10,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:10,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700715592] [2024-10-13 17:44:10,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700715592] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:10,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:10,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 17:44:10,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610296493] [2024-10-13 17:44:10,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:10,103 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:44:10,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:10,103 INFO L85 PathProgramCache]: Analyzing trace with hash -351055962, now seen corresponding path program 1 times [2024-10-13 17:44:10,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:10,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089800546] [2024-10-13 17:44:10,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:10,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:10,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:44:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:10,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:44:10,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:44:10,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 17:44:10,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 17:44:10,167 INFO L87 Difference]: Start difference. First operand 786 states and 981 transitions. cyclomatic complexity: 196 Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-10-13 17:44:10,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:44:10,204 INFO L93 Difference]: Finished difference Result 786 states and 953 transitions. [2024-10-13 17:44:10,204 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 786 states and 953 transitions. [2024-10-13 17:44:10,207 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 661 [2024-10-13 17:44:10,210 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 786 states to 786 states and 953 transitions. [2024-10-13 17:44:10,210 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 786 [2024-10-13 17:44:10,211 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 786 [2024-10-13 17:44:10,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 786 states and 953 transitions. [2024-10-13 17:44:10,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:44:10,212 INFO L218 hiAutomatonCegarLoop]: Abstraction has 786 states and 953 transitions. [2024-10-13 17:44:10,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states and 953 transitions. [2024-10-13 17:44:10,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 786. [2024-10-13 17:44:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 786 states have (on average 1.2124681933842238) internal successors, (953), 785 states have internal predecessors, (953), 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) [2024-10-13 17:44:10,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 953 transitions. [2024-10-13 17:44:10,222 INFO L240 hiAutomatonCegarLoop]: Abstraction has 786 states and 953 transitions. [2024-10-13 17:44:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 17:44:10,223 INFO L425 stractBuchiCegarLoop]: Abstraction has 786 states and 953 transitions. [2024-10-13 17:44:10,223 INFO L332 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2024-10-13 17:44:10,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 786 states and 953 transitions. [2024-10-13 17:44:10,226 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 661 [2024-10-13 17:44:10,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:44:10,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:44:10,226 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] [2024-10-13 17:44:10,226 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:44:10,227 INFO L745 eck$LassoCheckResult]: Stem: 13377#$Ultimate##0 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; 13378#L-1 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; 13408#init_model_returnLabel#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; 13353#L222 assume !(1 == ~q_req_up~0); 13355#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 13390#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 13391#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 13416#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 13412#L275 assume !(0 == ~q_read_ev~0); 13413#L275-2 assume !(0 == ~q_write_ev~0); 13423#L280-1 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; 13448#L65 assume !(1 == ~p_dw_pc~0); 13405#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 13406#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 13512#is_do_write_p_triggered_returnLabel#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; 13511#L315 assume !(0 != activate_threads_~tmp~1#1); 13510#L315-2 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; 13509#L84 assume !(1 == ~c_dr_pc~0); 13508#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 13507#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 13385#is_do_read_c_triggered_returnLabel#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; 13323#L323 assume !(0 != activate_threads_~tmp___0~1#1); 13324#L323-2 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; 13430#L293 assume !(1 == ~q_read_ev~0); 13431#L293-2 assume !(1 == ~q_write_ev~0); 14053#L298-1 assume { :end_inline_reset_delta_events } true; 14051#L419-2 assume !false; 14050#L420 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; 14048#L364 assume !false; 14046#L340 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; 14045#L255 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 14041#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 14039#exists_runnable_thread_returnLabel#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; 14037#L344 assume 0 != eval_~tmp___1~0#1; 14035#L344-1 assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1; 13372#L353 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; 13373#L128 assume 0 == ~p_dw_pc~0; 13332#L139-1 [2024-10-13 17:44:10,227 INFO L747 eck$LassoCheckResult]: Loop: 13332#L139-1 assume !false; 13333#L140 assume !(0 == ~q_free~0); 13420#L141 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; 13332#L139-1 [2024-10-13 17:44:10,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:10,227 INFO L85 PathProgramCache]: Analyzing trace with hash 519638469, now seen corresponding path program 1 times [2024-10-13 17:44:10,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:10,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352602765] [2024-10-13 17:44:10,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:10,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:10,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:44:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:10,242 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:44:10,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:10,243 INFO L85 PathProgramCache]: Analyzing trace with hash 211736, now seen corresponding path program 1 times [2024-10-13 17:44:10,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:10,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277192267] [2024-10-13 17:44:10,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:10,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:10,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:44:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:10,255 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:44:10,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:10,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1487677140, now seen corresponding path program 1 times [2024-10-13 17:44:10,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:10,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965355018] [2024-10-13 17:44:10,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:10,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:10,267 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:44:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:10,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:44:10,312 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:44:10,313 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:44:10,313 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:44:10,313 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:44:10,313 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 17:44:10,313 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:10,313 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:44:10,313 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:44:10,313 INFO L132 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_2.cil-2.c_Iteration13_Loop [2024-10-13 17:44:10,313 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:44:10,314 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:44:10,329 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:10,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:10,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:10,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:10,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:10,415 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:44:10,416 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 17:44:10,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:10,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:10,420 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:44:10,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-13 17:44:10,422 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 17:44:10,422 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 17:44:10,450 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 17:44:10,450 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: [] [2024-10-13 17:44:10,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-13 17:44:10,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:10,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:10,468 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:44:10,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-13 17:44:10,471 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 17:44:10,471 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 17:44:10,488 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 17:44:10,488 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~q_req_up~0=1} Honda state: {~q_req_up~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 17:44:10,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-13 17:44:10,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:10,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:10,505 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:44:10,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-13 17:44:10,508 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 17:44:10,508 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 17:44:10,524 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 17:44:10,524 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: [] [2024-10-13 17:44:10,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-13 17:44:10,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:10,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:10,540 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:44:10,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-13 17:44:10,542 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 17:44:10,542 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 17:44:10,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-13 17:44:10,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:10,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:10,573 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:44:10,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-13 17:44:10,575 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 17:44:10,575 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 17:44:10,606 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 17:44:10,606 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] [2024-10-13 17:44:10,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-13 17:44:10,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:10,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:10,623 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:44:10,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-13 17:44:10,626 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 17:44:10,626 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 17:44:10,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-13 17:44:10,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:10,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:10,668 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) [2024-10-13 17:44:10,671 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 17:44:10,671 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 17:44:10,674 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 [2024-10-13 17:44:10,713 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 17:44:10,719 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 [2024-10-13 17:44:10,719 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:44:10,720 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:44:10,720 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:44:10,720 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:44:10,720 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 17:44:10,720 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:10,720 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:44:10,720 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:44:10,720 INFO L132 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_2.cil-2.c_Iteration13_Loop [2024-10-13 17:44:10,720 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:44:10,720 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:44:10,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:10,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:10,730 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:10,732 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:10,737 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:10,795 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:44:10,800 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 17:44:10,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:10,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:10,803 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) [2024-10-13 17:44:10,805 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 [2024-10-13 17:44:10,806 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 [2024-10-13 17:44:10,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:10,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:10,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:10,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:10,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:10,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:10,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:10,823 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:10,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-13 17:44:10,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:10,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:10,841 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) [2024-10-13 17:44:10,842 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 [2024-10-13 17:44:10,844 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 [2024-10-13 17:44:10,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:10,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:10,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:10,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:10,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:10,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:10,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:10,863 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:10,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-13 17:44:10,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:10,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:10,880 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) [2024-10-13 17:44:10,882 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 [2024-10-13 17:44:10,883 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 [2024-10-13 17:44:10,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:10,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:10,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:10,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:10,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:10,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:10,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:10,897 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:10,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-13 17:44:10,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:10,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:10,914 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) [2024-10-13 17:44:10,916 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 [2024-10-13 17:44:10,917 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 [2024-10-13 17:44:10,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:10,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:10,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:10,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:10,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:10,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:10,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:10,934 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:10,948 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 [2024-10-13 17:44:10,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:10,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:10,951 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) [2024-10-13 17:44:10,952 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 [2024-10-13 17:44:10,953 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 [2024-10-13 17:44:10,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:10,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:10,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:10,966 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-13 17:44:10,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:10,969 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-13 17:44:10,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:10,973 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:10,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-13 17:44:10,989 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-10-13 17:44:10,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:10,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:10,991 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) [2024-10-13 17:44:10,992 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 [2024-10-13 17:44:10,993 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 [2024-10-13 17:44:11,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:11,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,006 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-13 17:44:11,006 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-13 17:44:11,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,009 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-13 17:44:11,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,027 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) [2024-10-13 17:44:11,029 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 [2024-10-13 17:44:11,030 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 [2024-10-13 17:44:11,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:11,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,043 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-13 17:44:11,044 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-13 17:44:11,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,047 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,061 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 [2024-10-13 17:44:11,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,064 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) [2024-10-13 17:44:11,066 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 [2024-10-13 17:44:11,068 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 [2024-10-13 17:44:11,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:11,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,081 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-13 17:44:11,082 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-13 17:44:11,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,086 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,101 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 [2024-10-13 17:44:11,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,103 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) [2024-10-13 17:44:11,105 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 [2024-10-13 17:44:11,105 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 [2024-10-13 17:44:11,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:11,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,118 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-13 17:44:11,119 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-13 17:44:11,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,124 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-13 17:44:11,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,140 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) [2024-10-13 17:44:11,141 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 [2024-10-13 17:44:11,142 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 [2024-10-13 17:44:11,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:11,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,152 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-13 17:44:11,152 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-13 17:44:11,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:11,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,158 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,172 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 [2024-10-13 17:44:11,173 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-10-13 17:44:11,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,174 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) [2024-10-13 17:44:11,176 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 [2024-10-13 17:44:11,177 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 [2024-10-13 17:44:11,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:11,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,190 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-13 17:44:11,191 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-13 17:44:11,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,194 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,208 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 [2024-10-13 17:44:11,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,210 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) [2024-10-13 17:44:11,212 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 [2024-10-13 17:44:11,216 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 [2024-10-13 17:44:11,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:11,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,234 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-13 17:44:11,237 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-13 17:44:11,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,239 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-13 17:44:11,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,256 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) [2024-10-13 17:44:11,257 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 [2024-10-13 17:44:11,259 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 [2024-10-13 17:44:11,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:11,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,273 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-13 17:44:11,273 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-13 17:44:11,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,275 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,289 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 [2024-10-13 17:44:11,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,292 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) [2024-10-13 17:44:11,293 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 [2024-10-13 17:44:11,294 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 [2024-10-13 17:44:11,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:11,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,305 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-13 17:44:11,307 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-13 17:44:11,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,309 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-13 17:44:11,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,346 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) [2024-10-13 17:44:11,347 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 [2024-10-13 17:44:11,348 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 [2024-10-13 17:44:11,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:11,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,360 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-13 17:44:11,360 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-13 17:44:11,362 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-10-13 17:44:11,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,367 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,380 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 [2024-10-13 17:44:11,381 INFO L451 LassoAnalysis]: Using template '4-nested'. [2024-10-13 17:44:11,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,383 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) [2024-10-13 17:44:11,384 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 [2024-10-13 17:44:11,385 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 [2024-10-13 17:44:11,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:11,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,399 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-13 17:44:11,400 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-13 17:44:11,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,402 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-13 17:44:11,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,418 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) [2024-10-13 17:44:11,419 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 [2024-10-13 17:44:11,420 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 [2024-10-13 17:44:11,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:11,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,434 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-13 17:44:11,435 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-13 17:44:11,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,437 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,451 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 [2024-10-13 17:44:11,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,453 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) [2024-10-13 17:44:11,455 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 [2024-10-13 17:44:11,456 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 [2024-10-13 17:44:11,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:11,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,469 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-13 17:44:11,470 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-13 17:44:11,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,472 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,485 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 [2024-10-13 17:44:11,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,488 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) [2024-10-13 17:44:11,489 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 [2024-10-13 17:44:11,490 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 [2024-10-13 17:44:11,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:11,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,503 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-13 17:44:11,504 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-13 17:44:11,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,507 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-10-13 17:44:11,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,523 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) [2024-10-13 17:44:11,525 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 [2024-10-13 17:44:11,525 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 [2024-10-13 17:44:11,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:11,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,539 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-13 17:44:11,539 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-13 17:44:11,542 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2024-10-13 17:44:11,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,546 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,560 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 [2024-10-13 17:44:11,561 INFO L451 LassoAnalysis]: Using template '2-phase'. [2024-10-13 17:44:11,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,562 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) [2024-10-13 17:44:11,564 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 [2024-10-13 17:44:11,564 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 [2024-10-13 17:44:11,577 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:11,577 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-13 17:44:11,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,578 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-13 17:44:11,579 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-13 17:44:11,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,582 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,596 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-13 17:44:11,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,598 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) [2024-10-13 17:44:11,599 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 [2024-10-13 17:44:11,600 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 [2024-10-13 17:44:11,613 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:11,613 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-13 17:44:11,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,613 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-13 17:44:11,615 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-13 17:44:11,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,617 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,631 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 [2024-10-13 17:44:11,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,633 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) [2024-10-13 17:44:11,635 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 [2024-10-13 17:44:11,635 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 [2024-10-13 17:44:11,646 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:11,646 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-13 17:44:11,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,646 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-13 17:44:11,647 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-13 17:44:11,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,650 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-13 17:44:11,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,666 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) [2024-10-13 17:44:11,667 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 [2024-10-13 17:44:11,668 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 [2024-10-13 17:44:11,680 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:11,681 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-13 17:44:11,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,681 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-13 17:44:11,682 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-13 17:44:11,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,687 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,701 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 [2024-10-13 17:44:11,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,703 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) [2024-10-13 17:44:11,704 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 [2024-10-13 17:44:11,705 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 [2024-10-13 17:44:11,717 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:11,718 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-13 17:44:11,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,718 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-13 17:44:11,718 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-13 17:44:11,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:11,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,732 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,746 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 [2024-10-13 17:44:11,746 INFO L451 LassoAnalysis]: Using template '3-phase'. [2024-10-13 17:44:11,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,748 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) [2024-10-13 17:44:11,749 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 [2024-10-13 17:44:11,750 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 [2024-10-13 17:44:11,763 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:11,763 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-13 17:44:11,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,764 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-13 17:44:11,765 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-13 17:44:11,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,770 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-13 17:44:11,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,786 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) [2024-10-13 17:44:11,787 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 [2024-10-13 17:44:11,788 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 [2024-10-13 17:44:11,802 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:11,802 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-13 17:44:11,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,802 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-13 17:44:11,804 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-13 17:44:11,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,808 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,822 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 [2024-10-13 17:44:11,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,824 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) [2024-10-13 17:44:11,825 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 [2024-10-13 17:44:11,826 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 [2024-10-13 17:44:11,839 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:11,839 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-13 17:44:11,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,840 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-13 17:44:11,841 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-13 17:44:11,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,844 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-10-13 17:44:11,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,860 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) [2024-10-13 17:44:11,861 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 [2024-10-13 17:44:11,865 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 [2024-10-13 17:44:11,878 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:11,878 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-13 17:44:11,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,879 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-13 17:44:11,880 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-13 17:44:11,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,885 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,899 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 [2024-10-13 17:44:11,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,901 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) [2024-10-13 17:44:11,902 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 [2024-10-13 17:44:11,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:44:11,916 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:11,916 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-13 17:44:11,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,916 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-13 17:44:11,916 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-13 17:44:11,919 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-10-13 17:44:11,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,934 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-10-13 17:44:11,949 INFO L451 LassoAnalysis]: Using template '4-phase'. [2024-10-13 17:44:11,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,950 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) [2024-10-13 17:44:11,952 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 [2024-10-13 17:44:11,952 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 [2024-10-13 17:44:11,966 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:11,967 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-13 17:44:11,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:11,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:11,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:11,967 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-13 17:44:11,969 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-13 17:44:11,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:11,976 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:11,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-10-13 17:44:11,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:11,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:11,992 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) [2024-10-13 17:44:11,993 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 [2024-10-13 17:44:11,995 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 [2024-10-13 17:44:12,009 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:12,009 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-13 17:44:12,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:12,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:12,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:12,009 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-13 17:44:12,013 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-13 17:44:12,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:12,018 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:12,032 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 [2024-10-13 17:44:12,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:12,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:12,034 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:44:12,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-13 17:44:12,037 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 [2024-10-13 17:44:12,051 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:12,051 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-13 17:44:12,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:12,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:12,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:12,052 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-13 17:44:12,053 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-13 17:44:12,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:12,058 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:12,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-10-13 17:44:12,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:12,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:12,074 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:44:12,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-13 17:44:12,077 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 [2024-10-13 17:44:12,091 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:12,091 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-13 17:44:12,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:12,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:12,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:12,092 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-13 17:44:12,094 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-13 17:44:12,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:12,101 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:12,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-10-13 17:44:12,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:12,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:12,117 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) [2024-10-13 17:44:12,118 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 [2024-10-13 17:44:12,119 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 [2024-10-13 17:44:12,132 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:12,133 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-13 17:44:12,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:12,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:12,133 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-13 17:44:12,133 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-13 17:44:12,136 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2024-10-13 17:44:12,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:12,147 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:12,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-10-13 17:44:12,162 INFO L451 LassoAnalysis]: Using template '2-lex'. [2024-10-13 17:44:12,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:12,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:12,165 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) [2024-10-13 17:44:12,168 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 [2024-10-13 17:44:12,169 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 [2024-10-13 17:44:12,181 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:12,182 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-13 17:44:12,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:12,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:12,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:12,182 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-13 17:44:12,183 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-13 17:44:12,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:12,186 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:12,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-10-13 17:44:12,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:12,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:12,202 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) [2024-10-13 17:44:12,203 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 [2024-10-13 17:44:12,204 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 [2024-10-13 17:44:12,216 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:12,216 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-13 17:44:12,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:12,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:12,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:12,216 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-13 17:44:12,217 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-13 17:44:12,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:12,220 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:12,234 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 [2024-10-13 17:44:12,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:12,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:12,236 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) [2024-10-13 17:44:12,237 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 [2024-10-13 17:44:12,238 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 [2024-10-13 17:44:12,251 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:12,251 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-13 17:44:12,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:12,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:12,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:12,251 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-13 17:44:12,252 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-13 17:44:12,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:12,254 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:12,268 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 [2024-10-13 17:44:12,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:12,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:12,270 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) [2024-10-13 17:44:12,271 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 [2024-10-13 17:44:12,272 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 [2024-10-13 17:44:12,286 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:12,287 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-13 17:44:12,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:12,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:12,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:12,287 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-13 17:44:12,288 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-13 17:44:12,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:12,293 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:12,307 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 [2024-10-13 17:44:12,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:12,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:12,309 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) [2024-10-13 17:44:12,310 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 [2024-10-13 17:44:12,311 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 [2024-10-13 17:44:12,323 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:12,324 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-13 17:44:12,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:12,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:12,324 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-13 17:44:12,324 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-13 17:44:12,326 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-10-13 17:44:12,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:12,332 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:12,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-10-13 17:44:12,347 INFO L451 LassoAnalysis]: Using template '3-lex'. [2024-10-13 17:44:12,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:12,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:12,349 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) [2024-10-13 17:44:12,350 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 [2024-10-13 17:44:12,351 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 [2024-10-13 17:44:12,363 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:12,363 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-13 17:44:12,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:12,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:12,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:12,364 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-10-13 17:44:12,366 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:12,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:12,370 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:12,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-10-13 17:44:12,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:12,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:12,386 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) [2024-10-13 17:44:12,387 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 [2024-10-13 17:44:12,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:44:12,400 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:12,400 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-13 17:44:12,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:12,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:12,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:12,401 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-10-13 17:44:12,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:12,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:12,408 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:12,422 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 [2024-10-13 17:44:12,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:12,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:12,424 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) [2024-10-13 17:44:12,425 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 [2024-10-13 17:44:12,426 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 [2024-10-13 17:44:12,437 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:12,437 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-13 17:44:12,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:12,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:12,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:12,438 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-10-13 17:44:12,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:12,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:12,442 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:12,452 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-10-13 17:44:12,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:12,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:12,453 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) [2024-10-13 17:44:12,455 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 [2024-10-13 17:44:12,456 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 [2024-10-13 17:44:12,467 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:12,467 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-13 17:44:12,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:12,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:12,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:12,467 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-10-13 17:44:12,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:12,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:12,474 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:12,487 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 [2024-10-13 17:44:12,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:12,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:12,489 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) [2024-10-13 17:44:12,491 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 [2024-10-13 17:44:12,491 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 [2024-10-13 17:44:12,504 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-13 17:44:12,505 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-13 17:44:12,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:12,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:12,505 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-13 17:44:12,505 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-10-13 17:44:12,508 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-13 17:44:12,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:12,520 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:12,534 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 [2024-10-13 17:44:13,162 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:44:13,162 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:44:13,162 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:44:13,162 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:44:13,163 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 17:44:13,163 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:13,163 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:44:13,163 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:44:13,163 INFO L132 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_2.cil-2.c_Iteration13_Lasso [2024-10-13 17:44:13,163 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:44:13,163 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:44:13,166 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,175 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,177 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,228 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,238 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,249 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,256 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,258 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,260 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,262 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,264 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,278 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,281 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,287 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,301 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:44:13,590 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:44:13,590 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 17:44:13,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:13,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:13,592 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) [2024-10-13 17:44:13,594 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 [2024-10-13 17:44:13,594 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 [2024-10-13 17:44:13,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:13,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:13,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:13,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:13,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:13,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:13,615 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:13,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-10-13 17:44:13,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:13,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:13,631 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) [2024-10-13 17:44:13,633 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 [2024-10-13 17:44:13,633 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 [2024-10-13 17:44:13,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:13,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:13,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:13,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:13,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:13,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:13,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:13,649 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:13,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-10-13 17:44:13,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:13,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:13,665 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) [2024-10-13 17:44:13,666 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 [2024-10-13 17:44:13,667 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 [2024-10-13 17:44:13,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:13,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:13,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:13,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:13,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:13,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:13,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:13,681 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:13,691 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 [2024-10-13 17:44:13,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:13,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:13,693 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) [2024-10-13 17:44:13,693 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 [2024-10-13 17:44:13,694 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 [2024-10-13 17:44:13,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:13,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:13,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:13,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:13,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:13,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:13,711 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:13,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2024-10-13 17:44:13,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:13,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:13,727 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) [2024-10-13 17:44:13,730 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 [2024-10-13 17:44:13,730 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 [2024-10-13 17:44:13,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:13,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:13,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:13,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:13,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:13,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:13,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:13,744 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:13,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2024-10-13 17:44:13,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:13,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:13,756 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) [2024-10-13 17:44:13,757 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 [2024-10-13 17:44:13,757 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 [2024-10-13 17:44:13,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:13,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:13,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:13,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:13,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:13,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:13,772 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:13,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-10-13 17:44:13,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:13,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:13,788 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) [2024-10-13 17:44:13,789 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 [2024-10-13 17:44:13,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:44:13,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:13,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:13,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:13,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:13,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:13,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:13,808 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:13,823 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 [2024-10-13 17:44:13,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:13,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:13,825 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) [2024-10-13 17:44:13,827 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 [2024-10-13 17:44:13,828 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 [2024-10-13 17:44:13,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:13,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:13,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:13,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:13,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:13,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:13,845 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:13,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2024-10-13 17:44:13,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:13,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:13,861 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) [2024-10-13 17:44:13,862 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 [2024-10-13 17:44:13,864 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 [2024-10-13 17:44:13,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:13,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:13,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:13,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:13,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:13,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:13,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:13,880 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:13,894 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 [2024-10-13 17:44:13,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:13,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:13,896 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) [2024-10-13 17:44:13,898 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 [2024-10-13 17:44:13,898 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 [2024-10-13 17:44:13,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:13,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:13,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:13,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:13,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:13,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:13,915 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:13,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2024-10-13 17:44:13,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:13,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:13,931 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) [2024-10-13 17:44:13,933 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 [2024-10-13 17:44:13,934 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 [2024-10-13 17:44:13,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:13,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:13,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:13,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:13,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:13,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:13,950 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:13,960 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 [2024-10-13 17:44:13,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:13,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:13,962 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) [2024-10-13 17:44:13,963 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 [2024-10-13 17:44:13,963 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 [2024-10-13 17:44:13,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:13,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:13,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:13,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:13,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:13,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:13,976 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:13,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-10-13 17:44:13,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:13,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:13,988 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) [2024-10-13 17:44:13,989 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 [2024-10-13 17:44:13,990 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 [2024-10-13 17:44:14,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:14,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:14,004 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2024-10-13 17:44:14,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,016 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) [2024-10-13 17:44:14,017 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 [2024-10-13 17:44:14,017 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 [2024-10-13 17:44:14,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:14,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:14,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:14,029 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,038 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 [2024-10-13 17:44:14,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,040 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) [2024-10-13 17:44:14,041 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 [2024-10-13 17:44:14,042 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 [2024-10-13 17:44:14,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:14,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:14,058 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-10-13 17:44:14,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,075 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) [2024-10-13 17:44:14,076 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 [2024-10-13 17:44:14,078 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 [2024-10-13 17:44:14,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:14,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:14,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:14,095 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,106 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 [2024-10-13 17:44:14,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,107 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) [2024-10-13 17:44:14,108 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 [2024-10-13 17:44:14,109 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 [2024-10-13 17:44:14,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:14,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:14,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:14,121 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,132 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 [2024-10-13 17:44:14,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,134 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) [2024-10-13 17:44:14,135 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 [2024-10-13 17:44:14,135 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 [2024-10-13 17:44:14,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:14,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:14,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:14,158 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,168 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 [2024-10-13 17:44:14,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,169 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) [2024-10-13 17:44:14,170 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 [2024-10-13 17:44:14,171 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 [2024-10-13 17:44:14,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:14,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:14,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:14,182 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,193 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 [2024-10-13 17:44:14,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,194 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) [2024-10-13 17:44:14,195 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 [2024-10-13 17:44:14,196 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 [2024-10-13 17:44:14,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:14,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:14,209 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,220 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 [2024-10-13 17:44:14,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,221 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) [2024-10-13 17:44:14,222 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 [2024-10-13 17:44:14,222 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 [2024-10-13 17:44:14,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:14,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:14,241 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,255 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 [2024-10-13 17:44:14,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,256 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) [2024-10-13 17:44:14,257 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 [2024-10-13 17:44:14,257 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 [2024-10-13 17:44:14,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:14,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:14,272 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,286 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 [2024-10-13 17:44:14,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,288 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) [2024-10-13 17:44:14,289 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 [2024-10-13 17:44:14,289 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 [2024-10-13 17:44:14,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:14,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:14,303 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2024-10-13 17:44:14,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,316 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) [2024-10-13 17:44:14,317 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 [2024-10-13 17:44:14,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:44:14,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:14,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:14,331 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,341 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 [2024-10-13 17:44:14,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,343 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) [2024-10-13 17:44:14,344 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 [2024-10-13 17:44:14,344 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 [2024-10-13 17:44:14,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:14,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:14,358 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2024-10-13 17:44:14,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,371 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) [2024-10-13 17:44:14,372 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 [2024-10-13 17:44:14,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:44:14,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:14,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:14,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:14,387 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2024-10-13 17:44:14,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,398 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) [2024-10-13 17:44:14,399 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 [2024-10-13 17:44:14,400 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 [2024-10-13 17:44:14,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:14,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:14,415 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,426 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 [2024-10-13 17:44:14,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,427 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) [2024-10-13 17:44:14,428 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 [2024-10-13 17:44:14,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:44:14,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:14,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,439 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:14,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:14,440 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2024-10-13 17:44:14,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,452 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) [2024-10-13 17:44:14,452 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 [2024-10-13 17:44:14,453 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 [2024-10-13 17:44:14,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:14,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:14,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:14,465 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2024-10-13 17:44:14,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,477 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) [2024-10-13 17:44:14,478 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 [2024-10-13 17:44:14,479 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 [2024-10-13 17:44:14,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:14,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:14,493 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2024-10-13 17:44:14,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,505 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) [2024-10-13 17:44:14,505 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 [2024-10-13 17:44:14,506 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 [2024-10-13 17:44:14,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:14,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:14,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:14,518 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2024-10-13 17:44:14,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,530 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) [2024-10-13 17:44:14,530 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 [2024-10-13 17:44:14,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:44:14,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:14,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:14,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:14,545 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,556 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 [2024-10-13 17:44:14,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,558 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) [2024-10-13 17:44:14,559 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 [2024-10-13 17:44:14,560 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 [2024-10-13 17:44:14,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:14,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:14,574 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,586 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 [2024-10-13 17:44:14,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,588 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) [2024-10-13 17:44:14,589 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 [2024-10-13 17:44:14,590 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 [2024-10-13 17:44:14,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:14,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:14,603 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,614 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 [2024-10-13 17:44:14,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,615 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) [2024-10-13 17:44:14,616 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 [2024-10-13 17:44:14,617 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 [2024-10-13 17:44:14,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:14,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:14,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:14,629 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,639 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 [2024-10-13 17:44:14,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,641 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) [2024-10-13 17:44:14,641 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 [2024-10-13 17:44:14,642 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 [2024-10-13 17:44:14,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:14,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:14,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:14,653 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,663 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 [2024-10-13 17:44:14,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,664 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) [2024-10-13 17:44:14,665 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 [2024-10-13 17:44:14,666 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 [2024-10-13 17:44:14,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:44:14,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:44:14,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:44:14,677 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2024-10-13 17:44:14,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,689 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) [2024-10-13 17:44:14,689 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 [2024-10-13 17:44:14,690 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 [2024-10-13 17:44:14,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:44:14,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:44:14,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:44:14,704 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:44:14,716 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 [2024-10-13 17:44:14,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,717 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) [2024-10-13 17:44:14,718 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 [2024-10-13 17:44:14,719 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 [2024-10-13 17:44:14,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:44:14,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:44:14,729 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-13 17:44:14,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:44:14,732 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-10-13 17:44:14,732 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-13 17:44:14,743 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 17:44:14,769 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2024-10-13 17:44:14,770 INFO L444 ModelExtractionUtils]: 0 out of 11 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-10-13 17:44:14,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:44:14,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:44:14,792 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) [2024-10-13 17:44:14,802 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 17:44:14,806 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 [2024-10-13 17:44:14,819 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2024-10-13 17:44:14,819 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 17:44:14,820 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~q_free~0) = 1*~q_free~0 Supporting invariants [1*~q_free~0 >= 0] [2024-10-13 17:44:14,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2024-10-13 17:44:14,850 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-10-13 17:44:14,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:14,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 17:44:14,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:44:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:15,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 17:44:15,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:44:15,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:15,122 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 [2024-10-13 17:44:15,123 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 786 states and 953 transitions. cyclomatic complexity: 168 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) [2024-10-13 17:44:15,323 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 786 states and 953 transitions. cyclomatic complexity: 168. 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 5337 states and 6546 transitions. Complement of second has 10 states. [2024-10-13 17:44:15,324 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 [2024-10-13 17:44:15,324 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) [2024-10-13 17:44:15,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 517 transitions. [2024-10-13 17:44:15,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 517 transitions. Stem has 37 letters. Loop has 3 letters. [2024-10-13 17:44:15,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:44:15,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 517 transitions. Stem has 40 letters. Loop has 3 letters. [2024-10-13 17:44:15,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:44:15,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 517 transitions. Stem has 37 letters. Loop has 6 letters. [2024-10-13 17:44:15,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:44:15,328 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5337 states and 6546 transitions. [2024-10-13 17:44:15,358 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 2622 [2024-10-13 17:44:15,378 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5337 states to 4316 states and 5292 transitions. [2024-10-13 17:44:15,379 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3022 [2024-10-13 17:44:15,381 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3052 [2024-10-13 17:44:15,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4316 states and 5292 transitions. [2024-10-13 17:44:15,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:44:15,383 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4316 states and 5292 transitions. [2024-10-13 17:44:15,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4316 states and 5292 transitions. [2024-10-13 17:44:15,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4316 to 4074. [2024-10-13 17:44:15,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4074 states, 4074 states have (on average 1.2297496318114876) internal successors, (5010), 4073 states have internal predecessors, (5010), 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) [2024-10-13 17:44:15,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4074 states to 4074 states and 5010 transitions. [2024-10-13 17:44:15,444 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4074 states and 5010 transitions. [2024-10-13 17:44:15,444 INFO L425 stractBuchiCegarLoop]: Abstraction has 4074 states and 5010 transitions. [2024-10-13 17:44:15,444 INFO L332 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2024-10-13 17:44:15,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4074 states and 5010 transitions. [2024-10-13 17:44:15,457 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 2488 [2024-10-13 17:44:15,457 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:44:15,457 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:44:15,458 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] [2024-10-13 17:44:15,458 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:44:15,458 INFO L745 eck$LassoCheckResult]: Stem: 19712#$Ultimate##0 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; 19713#L-1 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; 19765#init_model_returnLabel#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; 19667#L222 assume !(1 == ~q_req_up~0); 19648#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 19649#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 19775#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 19776#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 19769#L275 assume !(0 == ~q_read_ev~0); 19770#L275-2 assume !(0 == ~q_write_ev~0); 19799#L280-1 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; 19850#L65 assume !(1 == ~p_dw_pc~0); 19851#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 19848#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 19849#is_do_write_p_triggered_returnLabel#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; 19786#L315 assume !(0 != activate_threads_~tmp~1#1); 19787#L315-2 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; 19806#L84 assume !(1 == ~c_dr_pc~0); 19807#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 19685#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 19686#is_do_read_c_triggered_returnLabel#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; 19615#L323 assume !(0 != activate_threads_~tmp___0~1#1); 19616#L323-2 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; 19811#L293 assume !(1 == ~q_read_ev~0); 19812#L293-2 assume !(1 == ~q_write_ev~0); 19793#L298-1 assume { :end_inline_reset_delta_events } true; 19794#L419-2 assume !false; 21622#L420 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; 21620#L364 assume !false; 21618#L340 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; 21616#L255 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 21614#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 21612#exists_runnable_thread_returnLabel#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; 21610#L344 assume 0 != eval_~tmp___1~0#1; 21608#L344-1 assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1; 21606#L353 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; 21604#L128 assume !(0 == ~p_dw_pc~0); 21602#L131 assume !(1 == ~p_dw_pc~0); 21597#L139-1 [2024-10-13 17:44:15,458 INFO L747 eck$LassoCheckResult]: Loop: 21597#L139-1 assume !false; 21598#L140 assume !(0 == ~q_free~0); 21550#L141 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; 21552#L139-1 assume !false; 21549#L140 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 21547#do_write_p_returnLabel#1 havoc do_write_p_#t~nondet6#1;assume { :end_inline_do_write_p } true; 21543#L349 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; 20845#L368 assume 0 != eval_~tmp___0~2#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; 21530#L169 assume 0 == ~c_dr_pc~0; 21481#L198-1 assume !false; 21309#L181 assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 1;~a_t~0 := do_read_c_~a~0#1; 21304#do_read_c_returnLabel#1 havoc do_read_c_~a~0#1;assume { :end_inline_do_read_c } true; 21299#L364 assume !false; 21295#L340 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; 21291#L255 assume !(0 == ~p_dw_st~0); 21287#L259 assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0; 21283#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 21279#exists_runnable_thread_returnLabel#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; 21274#L344 assume !(0 != eval_~tmp___1~0#1); 21269#eval_returnLabel#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; 21264#L222-3 assume 1 == ~q_req_up~0;assume { :begin_inline_update_fifo_q } true; 21259#L35-3 assume !(0 == ~q_free~0); 20642#L35-5 assume 1 == ~q_free~0;~q_read_ev~0 := 0; 20634#L40-3 ~q_ev~0 := 0;~q_req_up~0 := 0; 20629#update_fifo_q_returnLabel#2 assume { :end_inline_update_fifo_q } true; 20622#L222-5 assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 20619#L275-3 assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1; 20616#L275-5 assume !(0 == ~q_write_ev~0); 20527#L280-3 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; 20612#L65-3 assume 1 == ~p_dw_pc~0; 20608#L66-1 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; 20604#L76-1 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 20601#is_do_write_p_triggered_returnLabel#2 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; 20597#L315-3 assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0; 20593#L315-5 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; 20590#L84-3 assume !(1 == ~c_dr_pc~0); 20585#L84-5 is_do_read_c_triggered_~__retres1~1#1 := 0; 20582#L95-1 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 20579#is_do_read_c_triggered_returnLabel#2 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; 20573#L323-3 assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0; 20574#L323-5 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; 21340#L293-3 assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2; 21341#L293-5 assume !(1 == ~q_write_ev~0); 21629#L298-3 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; 21628#L255-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 21627#L267-1 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 21626#exists_runnable_thread_returnLabel#2 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; 21625#L394 assume 0 != stop_simulation_~tmp~3#1;stop_simulation_~__retres2~0#1 := 0; 21624#L401 stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 21623#stop_simulation_returnLabel#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; 21621#L436 assume !(0 != start_simulation_~tmp~4#1); 21619#L419-2 assume !false; 21617#L420 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; 21615#L364 assume !false; 21613#L340 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; 21611#L255 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 21609#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 21607#exists_runnable_thread_returnLabel#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; 21605#L344 assume 0 != eval_~tmp___1~0#1; 21603#L344-1 assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1; 21601#L353 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; 21599#L128 assume !(0 == ~p_dw_pc~0); 21596#L131 assume !(1 == ~p_dw_pc~0); 21597#L139-1 [2024-10-13 17:44:15,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:15,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1071076409, now seen corresponding path program 1 times [2024-10-13 17:44:15,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:15,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702167371] [2024-10-13 17:44:15,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:15,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:15,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:15,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:15,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702167371] [2024-10-13 17:44:15,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702167371] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:15,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:15,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 17:44:15,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660479465] [2024-10-13 17:44:15,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:15,485 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:44:15,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:15,485 INFO L85 PathProgramCache]: Analyzing trace with hash 2113044932, now seen corresponding path program 1 times [2024-10-13 17:44:15,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:15,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842124957] [2024-10-13 17:44:15,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:15,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:15,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2024-10-13 17:44:15,569 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 17:44:15,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:15,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842124957] [2024-10-13 17:44:15,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842124957] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:15,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:15,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 17:44:15,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047167868] [2024-10-13 17:44:15,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:15,570 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-13 17:44:15,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:44:15,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 17:44:15,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 17:44:15,571 INFO L87 Difference]: Start difference. First operand 4074 states and 5010 transitions. cyclomatic complexity: 948 Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-10-13 17:44:15,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:44:15,607 INFO L93 Difference]: Finished difference Result 3022 states and 3728 transitions. [2024-10-13 17:44:15,607 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3022 states and 3728 transitions. [2024-10-13 17:44:15,620 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 1384 [2024-10-13 17:44:15,634 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3022 states to 3022 states and 3728 transitions. [2024-10-13 17:44:15,635 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1770 [2024-10-13 17:44:15,636 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1770 [2024-10-13 17:44:15,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3022 states and 3728 transitions. [2024-10-13 17:44:15,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:44:15,638 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3022 states and 3728 transitions. [2024-10-13 17:44:15,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3022 states and 3728 transitions. [2024-10-13 17:44:15,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3022 to 2934. [2024-10-13 17:44:15,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2934 states, 2934 states have (on average 1.2297205180640765) internal successors, (3608), 2933 states have internal predecessors, (3608), 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) [2024-10-13 17:44:15,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2934 states and 3608 transitions. [2024-10-13 17:44:15,683 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2934 states and 3608 transitions. [2024-10-13 17:44:15,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 17:44:15,684 INFO L425 stractBuchiCegarLoop]: Abstraction has 2934 states and 3608 transitions. [2024-10-13 17:44:15,685 INFO L332 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2024-10-13 17:44:15,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2934 states and 3608 transitions. [2024-10-13 17:44:15,692 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 1356 [2024-10-13 17:44:15,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:44:15,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:44:15,693 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] [2024-10-13 17:44:15,693 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:44:15,693 INFO L745 eck$LassoCheckResult]: Stem: 26819#$Ultimate##0 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; 26820#L-1 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; 26870#init_model_returnLabel#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; 26769#L222 assume !(1 == ~q_req_up~0); 26751#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 26752#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 26876#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 26877#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 26873#L275 assume !(0 == ~q_read_ev~0); 26874#L275-2 assume !(0 == ~q_write_ev~0); 26842#L280-1 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; 26843#L65 assume !(1 == ~p_dw_pc~0); 26860#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 26861#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 26810#is_do_write_p_triggered_returnLabel#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; 26811#L315 assume !(0 != activate_threads_~tmp~1#1); 26761#L315-2 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; 26762#L84 assume !(1 == ~c_dr_pc~0); 26799#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 26800#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 26968#is_do_read_c_triggered_returnLabel#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; 26967#L323 assume !(0 != activate_threads_~tmp___0~1#1); 26931#L323-2 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; 26914#L293 assume !(1 == ~q_read_ev~0); 26708#L293-2 assume !(1 == ~q_write_ev~0); 26709#L298-1 assume { :end_inline_reset_delta_events } true; 27828#L419-2 assume !false; 27827#L420 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; 27826#L364 assume !false; 27825#L340 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; 27824#L255 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 27823#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 27822#exists_runnable_thread_returnLabel#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; 27821#L344 assume 0 != eval_~tmp___1~0#1; 27820#L344-1 assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1; 27819#L353 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; 27818#L128 assume 0 == ~p_dw_pc~0; 27814#L139-1 assume !false; 27815#L140 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 28316#do_write_p_returnLabel#1 havoc do_write_p_#t~nondet6#1;assume { :end_inline_do_write_p } true; 28032#L349 [2024-10-13 17:44:15,693 INFO L747 eck$LassoCheckResult]: Loop: 28032#L349 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; 28227#L368 assume !(0 != eval_~tmp___0~2#1); 28312#L364 assume !false; 28560#L340 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; 28558#L255 assume !(0 == ~p_dw_st~0); 28556#L259 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 28218#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 28554#exists_runnable_thread_returnLabel#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; 28552#L344 assume 0 != eval_~tmp___1~0#1; 28315#L344-1 assume !(0 == ~p_dw_st~0); 28032#L349 [2024-10-13 17:44:15,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:15,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1487677052, now seen corresponding path program 1 times [2024-10-13 17:44:15,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:15,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092936591] [2024-10-13 17:44:15,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:15,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:44:15,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:44:15,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:44:15,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092936591] [2024-10-13 17:44:15,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092936591] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:44:15,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:44:15,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 17:44:15,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665690043] [2024-10-13 17:44:15,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:44:15,745 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:44:15,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:15,745 INFO L85 PathProgramCache]: Analyzing trace with hash -682996676, now seen corresponding path program 2 times [2024-10-13 17:44:15,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:15,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233439275] [2024-10-13 17:44:15,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:15,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:15,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:44:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:15,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:44:15,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:44:15,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 17:44:15,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 17:44:15,783 INFO L87 Difference]: Start difference. First operand 2934 states and 3608 transitions. cyclomatic complexity: 685 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) [2024-10-13 17:44:15,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:44:15,843 INFO L93 Difference]: Finished difference Result 3513 states and 4273 transitions. [2024-10-13 17:44:15,843 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3513 states and 4273 transitions. [2024-10-13 17:44:15,857 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 1943 [2024-10-13 17:44:15,871 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3513 states to 3511 states and 4271 transitions. [2024-10-13 17:44:15,871 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2315 [2024-10-13 17:44:15,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2315 [2024-10-13 17:44:15,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3511 states and 4271 transitions. [2024-10-13 17:44:15,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:44:15,873 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3511 states and 4271 transitions. [2024-10-13 17:44:15,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3511 states and 4271 transitions. [2024-10-13 17:44:15,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3511 to 3379. [2024-10-13 17:44:15,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3379 states, 3379 states have (on average 1.218999704054454) internal successors, (4119), 3378 states have internal predecessors, (4119), 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) [2024-10-13 17:44:15,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3379 states to 3379 states and 4119 transitions. [2024-10-13 17:44:15,930 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3379 states and 4119 transitions. [2024-10-13 17:44:15,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 17:44:15,931 INFO L425 stractBuchiCegarLoop]: Abstraction has 3379 states and 4119 transitions. [2024-10-13 17:44:15,931 INFO L332 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2024-10-13 17:44:15,931 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3379 states and 4119 transitions. [2024-10-13 17:44:15,941 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 1815 [2024-10-13 17:44:15,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:44:15,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:44:15,941 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] [2024-10-13 17:44:15,942 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:44:15,942 INFO L745 eck$LassoCheckResult]: Stem: 33262#$Ultimate##0 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; 33263#L-1 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; 33315#init_model_returnLabel#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; 33220#L222 assume !(1 == ~q_req_up~0); 33204#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 33205#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 33330#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 33331#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 33325#L275 assume !(0 == ~q_read_ev~0); 33326#L275-2 assume !(0 == ~q_write_ev~0); 33287#L280-1 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; 33288#L65 assume !(1 == ~p_dw_pc~0); 33310#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 33311#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 33257#is_do_write_p_triggered_returnLabel#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; 33258#L315 assume !(0 != activate_threads_~tmp~1#1); 33214#L315-2 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; 33215#L84 assume !(1 == ~c_dr_pc~0); 33363#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 33418#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 33414#is_do_read_c_triggered_returnLabel#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; 33413#L323 assume !(0 != activate_threads_~tmp___0~1#1); 33381#L323-2 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; 33367#L293 assume !(1 == ~q_read_ev~0); 33162#L293-2 assume !(1 == ~q_write_ev~0); 33163#L298-1 assume { :end_inline_reset_delta_events } true; 34421#L419-2 assume !false; 34419#L420 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; 34417#L364 assume !false; 34415#L340 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; 34413#L255 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 34411#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 34409#exists_runnable_thread_returnLabel#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; 34407#L344 assume 0 != eval_~tmp___1~0#1; 34405#L344-1 assume 0 == ~p_dw_st~0;havoc eval_#t~nondet10#1;eval_~tmp~2#1 := eval_#t~nondet10#1;havoc eval_#t~nondet10#1; 34403#L353 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; 34401#L128 assume 0 == ~p_dw_pc~0; 34399#L139-1 assume !false; 33195#L140 assume !(0 == ~q_free~0); 33761#L141 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; 36163#L139-1 assume !false; 36161#L140 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 35905#do_write_p_returnLabel#1 havoc do_write_p_#t~nondet6#1;assume { :end_inline_do_write_p } true; 35902#L349 [2024-10-13 17:44:15,942 INFO L747 eck$LassoCheckResult]: Loop: 35902#L349 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; 34496#L368 assume !(0 != eval_~tmp___0~2#1); 35900#L364 assume !false; 35915#L340 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; 35913#L255 assume !(0 == ~p_dw_st~0); 35912#L259 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 34463#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 35909#exists_runnable_thread_returnLabel#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; 35907#L344 assume 0 != eval_~tmp___1~0#1; 35904#L344-1 assume !(0 == ~p_dw_st~0); 35902#L349 [2024-10-13 17:44:15,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:15,944 INFO L85 PathProgramCache]: Analyzing trace with hash -377667827, now seen corresponding path program 1 times [2024-10-13 17:44:15,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:15,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295896013] [2024-10-13 17:44:15,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:15,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:15,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:44:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:15,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:44:15,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:15,964 INFO L85 PathProgramCache]: Analyzing trace with hash -682996676, now seen corresponding path program 3 times [2024-10-13 17:44:15,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:15,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543114853] [2024-10-13 17:44:15,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:15,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:15,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:44:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:15,971 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:44:15,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:44:15,972 INFO L85 PathProgramCache]: Analyzing trace with hash 188558408, now seen corresponding path program 1 times [2024-10-13 17:44:15,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:44:15,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190357428] [2024-10-13 17:44:15,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:44:15,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:44:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:15,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:44:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:15,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:44:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:16,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:44:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:44:16,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:44:16 BoogieIcfgContainer [2024-10-13 17:44:16,720 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:44:16,721 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:44:16,721 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:44:16,721 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:44:16,722 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:44:07" (3/4) ... [2024-10-13 17:44:16,725 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-13 17:44:16,791 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 17:44:16,791 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:44:16,791 INFO L158 Benchmark]: Toolchain (without parser) took 10159.62ms. Allocated memory was 142.6MB in the beginning and 257.9MB in the end (delta: 115.3MB). Free memory was 86.3MB in the beginning and 135.2MB in the end (delta: -48.9MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2024-10-13 17:44:16,791 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 142.6MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:44:16,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.36ms. Allocated memory is still 142.6MB. Free memory was 86.0MB in the beginning and 71.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 17:44:16,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.86ms. Allocated memory is still 142.6MB. Free memory was 71.3MB in the beginning and 69.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:44:16,792 INFO L158 Benchmark]: Boogie Preprocessor took 39.57ms. Allocated memory is still 142.6MB. Free memory was 69.1MB in the beginning and 66.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 17:44:16,792 INFO L158 Benchmark]: RCFGBuilder took 550.23ms. Allocated memory is still 142.6MB. Free memory was 66.7MB in the beginning and 97.3MB in the end (delta: -30.6MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-10-13 17:44:16,792 INFO L158 Benchmark]: BuchiAutomizer took 9165.64ms. Allocated memory was 142.6MB in the beginning and 257.9MB in the end (delta: 115.3MB). Free memory was 97.3MB in the beginning and 140.4MB in the end (delta: -43.1MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2024-10-13 17:44:16,792 INFO L158 Benchmark]: Witness Printer took 69.98ms. Allocated memory is still 257.9MB. Free memory was 140.4MB in the beginning and 135.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 17:44:16,794 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 142.6MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.36ms. Allocated memory is still 142.6MB. Free memory was 86.0MB in the beginning and 71.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.86ms. Allocated memory is still 142.6MB. Free memory was 71.3MB in the beginning and 69.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.57ms. Allocated memory is still 142.6MB. Free memory was 69.1MB in the beginning and 66.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 550.23ms. Allocated memory is still 142.6MB. Free memory was 66.7MB in the beginning and 97.3MB in the end (delta: -30.6MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 9165.64ms. Allocated memory was 142.6MB in the beginning and 257.9MB in the end (delta: 115.3MB). Free memory was 97.3MB in the beginning and 140.4MB in the end (delta: -43.1MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. * Witness Printer took 69.98ms. Allocated memory is still 257.9MB. Free memory was 140.4MB in the beginning and 135.2MB in the end (delta: 5.2MB). 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 15 terminating modules (14 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.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 3379 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.0s and 16 iterations. TraceHistogramMax:2. Analysis of lassos took 7.0s. Construction of modules took 0.4s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 12. Minimization of nondet autom 3. Automata minimization 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 882 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.2s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2002 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2002 mSDsluCounter, 4618 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2438 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 377 IncrementalHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 2180 mSDtfsCounter, 377 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI4 SFLT0 conc0 concLT0 SILN2 SILU0 SILI8 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital54 mio100 ax100 hnf100 lsp35 ukn87 mio100 lsp92 div100 bol100 ite100 ukn100 eq195 hnf94 smp100 dnf134 smp100 tf106 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 103ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 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=7, p_num_write=1, q_buf_0=7, 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=7, p_num_write=1, q_buf_0=7, 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=7, p_num_write=1, q_buf_0=7, 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=7, p_num_write=1, q_buf_0=7, 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=7, p_num_write=1, q_buf_0=7, 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=7, p_num_write=1, q_buf_0=7, 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! [2024-10-13 17:44:16,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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)