./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya --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 0.2.4-dev-0e0057c [2023-11-29 05:01:09,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:01:09,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 05:01:09,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:01:09,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:01:09,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:01:09,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:01:09,201 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:01:09,202 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:01:09,202 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:01:09,203 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:01:09,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:01:09,204 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:01:09,205 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 05:01:09,205 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 05:01:09,206 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 05:01:09,206 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 05:01:09,207 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 05:01:09,207 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 05:01:09,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:01:09,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 05:01:09,209 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:01:09,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:01:09,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:01:09,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:01:09,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 05:01:09,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 05:01:09,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 05:01:09,212 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:01:09,213 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:01:09,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:01:09,214 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 05:01:09,214 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:01:09,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:01:09,214 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:01:09,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:01:09,215 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:01:09,215 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 05:01:09,215 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5adc3402a12b42bc2aef7c382784898827eb467d1d3955bed162b3bd231708de [2023-11-29 05:01:09,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:01:09,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:01:09,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:01:09,439 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:01:09,439 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:01:09,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2023-11-29 05:01:12,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:01:12,464 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:01:12,465 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2023-11-29 05:01:12,476 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/data/a5dd3a9df/8f4e745698d9440796465119d687a758/FLAGfeca767e7 [2023-11-29 05:01:12,490 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/data/a5dd3a9df/8f4e745698d9440796465119d687a758 [2023-11-29 05:01:12,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:01:12,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:01:12,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:01:12,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:01:12,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:01:12,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:01:12" (1/1) ... [2023-11-29 05:01:12,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700860b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:01:12, skipping insertion in model container [2023-11-29 05:01:12,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:01:12" (1/1) ... [2023-11-29 05:01:12,538 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:01:12,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:01:12,722 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:01:12,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:01:12,771 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:01:12,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:01:12 WrapperNode [2023-11-29 05:01:12,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:01:12,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:01:12,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:01:12,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:01:12,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:01:12" (1/1) ... [2023-11-29 05:01:12,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:01:12" (1/1) ... [2023-11-29 05:01:12,816 INFO L138 Inliner]: procedures = 29, calls = 33, calls flagged for inlining = 28, calls inlined = 31, statements flattened = 313 [2023-11-29 05:01:12,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:01:12,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:01:12,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:01:12,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:01:12,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:01:12" (1/1) ... [2023-11-29 05:01:12,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:01:12" (1/1) ... [2023-11-29 05:01:12,832 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:01:12" (1/1) ... [2023-11-29 05:01:12,847 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]. [2023-11-29 05:01:12,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:01:12" (1/1) ... [2023-11-29 05:01:12,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:01:12" (1/1) ... [2023-11-29 05:01:12,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:01:12" (1/1) ... [2023-11-29 05:01:12,860 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:01:12" (1/1) ... [2023-11-29 05:01:12,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:01:12" (1/1) ... [2023-11-29 05:01:12,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:01:12" (1/1) ... [2023-11-29 05:01:12,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:01:12,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:01:12,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:01:12,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:01:12,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:01:12" (1/1) ... [2023-11-29 05:01:12,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:12,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:12,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:12,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 05:01:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:01:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:01:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:01:12,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:01:13,021 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:01:13,022 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:01:13,317 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:01:13,330 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:01:13,330 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 05:01:13,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:01:13 BoogieIcfgContainer [2023-11-29 05:01:13,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:01:13,332 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 05:01:13,332 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 05:01:13,335 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 05:01:13,336 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:01:13,336 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 05:01:12" (1/3) ... [2023-11-29 05:01:13,337 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39f6886c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 05:01:13, skipping insertion in model container [2023-11-29 05:01:13,337 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:01:13,337 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:01:12" (2/3) ... [2023-11-29 05:01:13,337 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39f6886c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 05:01:13, skipping insertion in model container [2023-11-29 05:01:13,338 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:01:13,338 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:01:13" (3/3) ... [2023-11-29 05:01:13,339 INFO L332 chiAutomizerObserver]: Analyzing ICFG pc_sfifo_2.cil-2.c [2023-11-29 05:01:13,385 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 05:01:13,385 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 05:01:13,385 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 05:01:13,385 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 05:01:13,385 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 05:01:13,386 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 05:01:13,386 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 05:01:13,386 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 05:01:13,391 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) [2023-11-29 05:01:13,417 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2023-11-29 05:01:13,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:01:13,417 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:01:13,425 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] [2023-11-29 05:01:13,425 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] [2023-11-29 05:01:13,425 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 05:01:13,426 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) [2023-11-29 05:01:13,431 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2023-11-29 05:01:13,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:01:13,432 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:01:13,433 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] [2023-11-29 05:01:13,433 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] [2023-11-29 05:01:13,440 INFO L748 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 [2023-11-29 05:01:13,441 INFO L750 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 [2023-11-29 05:01:13,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:13,446 INFO L85 PathProgramCache]: Analyzing trace with hash -239976594, now seen corresponding path program 1 times [2023-11-29 05:01:13,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:13,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250388925] [2023-11-29 05:01:13,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:13,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:13,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:13,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:13,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250388925] [2023-11-29 05:01:13,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250388925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:13,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:13,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:01:13,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779643690] [2023-11-29 05:01:13,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:13,662 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:01:13,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:13,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1757542019, now seen corresponding path program 1 times [2023-11-29 05:01:13,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:13,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248490108] [2023-11-29 05:01:13,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:13,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:13,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:13,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:13,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248490108] [2023-11-29 05:01:13,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248490108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:13,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:13,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:01:13,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105609159] [2023-11-29 05:01:13,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:13,692 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 05:01:13,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:01:13,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:01:13,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:01:13,728 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) [2023-11-29 05:01:13,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:01:13,749 INFO L93 Difference]: Finished difference Result 102 states and 144 transitions. [2023-11-29 05:01:13,751 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 144 transitions. [2023-11-29 05:01:13,755 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2023-11-29 05:01:13,760 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 95 states and 137 transitions. [2023-11-29 05:01:13,761 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2023-11-29 05:01:13,761 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2023-11-29 05:01:13,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 137 transitions. [2023-11-29 05:01:13,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:01:13,763 INFO L218 hiAutomatonCegarLoop]: Abstraction has 95 states and 137 transitions. [2023-11-29 05:01:13,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 137 transitions. [2023-11-29 05:01:13,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2023-11-29 05:01:13,792 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) [2023-11-29 05:01:13,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2023-11-29 05:01:13,795 INFO L240 hiAutomatonCegarLoop]: Abstraction has 95 states and 137 transitions. [2023-11-29 05:01:13,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:01:13,800 INFO L428 stractBuchiCegarLoop]: Abstraction has 95 states and 137 transitions. [2023-11-29 05:01:13,800 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 05:01:13,800 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 137 transitions. [2023-11-29 05:01:13,802 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2023-11-29 05:01:13,802 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:01:13,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:01:13,804 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] [2023-11-29 05:01:13,804 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] [2023-11-29 05:01:13,805 INFO L748 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 [2023-11-29 05:01:13,805 INFO L750 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 [2023-11-29 05:01:13,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:13,806 INFO L85 PathProgramCache]: Analyzing trace with hash 577671856, now seen corresponding path program 1 times [2023-11-29 05:01:13,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:13,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043418298] [2023-11-29 05:01:13,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:13,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:13,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:13,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:13,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043418298] [2023-11-29 05:01:13,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043418298] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:13,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:13,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:01:13,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905202447] [2023-11-29 05:01:13,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:13,920 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:01:13,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:13,920 INFO L85 PathProgramCache]: Analyzing trace with hash 755463123, now seen corresponding path program 1 times [2023-11-29 05:01:13,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:13,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807436661] [2023-11-29 05:01:13,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:13,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:13,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:14,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:14,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807436661] [2023-11-29 05:01:14,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807436661] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:14,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:14,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:01:14,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379438009] [2023-11-29 05:01:14,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:14,002 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 05:01:14,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:01:14,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:01:14,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:01:14,003 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) [2023-11-29 05:01:14,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:01:14,101 INFO L93 Difference]: Finished difference Result 211 states and 296 transitions. [2023-11-29 05:01:14,101 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 296 transitions. [2023-11-29 05:01:14,105 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 176 [2023-11-29 05:01:14,108 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 296 transitions. [2023-11-29 05:01:14,108 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2023-11-29 05:01:14,109 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2023-11-29 05:01:14,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 296 transitions. [2023-11-29 05:01:14,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:01:14,111 INFO L218 hiAutomatonCegarLoop]: Abstraction has 211 states and 296 transitions. [2023-11-29 05:01:14,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 296 transitions. [2023-11-29 05:01:14,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 196. [2023-11-29 05:01:14,123 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) [2023-11-29 05:01:14,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 277 transitions. [2023-11-29 05:01:14,125 INFO L240 hiAutomatonCegarLoop]: Abstraction has 196 states and 277 transitions. [2023-11-29 05:01:14,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:01:14,126 INFO L428 stractBuchiCegarLoop]: Abstraction has 196 states and 277 transitions. [2023-11-29 05:01:14,126 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 05:01:14,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 196 states and 277 transitions. [2023-11-29 05:01:14,128 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 163 [2023-11-29 05:01:14,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:01:14,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:01:14,130 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] [2023-11-29 05:01:14,130 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] [2023-11-29 05:01:14,130 INFO L748 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 [2023-11-29 05:01:14,131 INFO L750 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 [2023-11-29 05:01:14,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:14,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1617647375, now seen corresponding path program 1 times [2023-11-29 05:01:14,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:14,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742776786] [2023-11-29 05:01:14,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:14,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:14,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:14,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:14,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742776786] [2023-11-29 05:01:14,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742776786] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:14,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:14,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:01:14,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579050944] [2023-11-29 05:01:14,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:14,192 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:01:14,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:14,193 INFO L85 PathProgramCache]: Analyzing trace with hash 642076466, now seen corresponding path program 1 times [2023-11-29 05:01:14,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:14,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290510593] [2023-11-29 05:01:14,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:14,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:14,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:14,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:14,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290510593] [2023-11-29 05:01:14,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290510593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:14,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:14,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:01:14,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043884434] [2023-11-29 05:01:14,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:14,249 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 05:01:14,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:01:14,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:01:14,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:01:14,250 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) [2023-11-29 05:01:14,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:01:14,348 INFO L93 Difference]: Finished difference Result 449 states and 615 transitions. [2023-11-29 05:01:14,348 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 449 states and 615 transitions. [2023-11-29 05:01:14,352 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 373 [2023-11-29 05:01:14,357 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 449 states to 449 states and 615 transitions. [2023-11-29 05:01:14,357 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 449 [2023-11-29 05:01:14,358 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 449 [2023-11-29 05:01:14,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 449 states and 615 transitions. [2023-11-29 05:01:14,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:01:14,361 INFO L218 hiAutomatonCegarLoop]: Abstraction has 449 states and 615 transitions. [2023-11-29 05:01:14,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states and 615 transitions. [2023-11-29 05:01:14,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2023-11-29 05:01:14,384 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) [2023-11-29 05:01:14,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 615 transitions. [2023-11-29 05:01:14,388 INFO L240 hiAutomatonCegarLoop]: Abstraction has 449 states and 615 transitions. [2023-11-29 05:01:14,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:01:14,389 INFO L428 stractBuchiCegarLoop]: Abstraction has 449 states and 615 transitions. [2023-11-29 05:01:14,389 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 05:01:14,389 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 449 states and 615 transitions. [2023-11-29 05:01:14,393 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 373 [2023-11-29 05:01:14,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:01:14,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:01:14,394 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] [2023-11-29 05:01:14,394 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] [2023-11-29 05:01:14,395 INFO L748 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 [2023-11-29 05:01:14,395 INFO L750 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 [2023-11-29 05:01:14,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:14,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1964845233, now seen corresponding path program 1 times [2023-11-29 05:01:14,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:14,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345261584] [2023-11-29 05:01:14,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:14,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:14,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:14,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:14,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345261584] [2023-11-29 05:01:14,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345261584] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:14,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:14,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:01:14,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109716982] [2023-11-29 05:01:14,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:14,437 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:01:14,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:14,438 INFO L85 PathProgramCache]: Analyzing trace with hash 642076466, now seen corresponding path program 2 times [2023-11-29 05:01:14,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:14,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348454674] [2023-11-29 05:01:14,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:14,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:14,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:14,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:14,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348454674] [2023-11-29 05:01:14,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348454674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:14,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:14,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:01:14,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884179633] [2023-11-29 05:01:14,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:14,483 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 05:01:14,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:01:14,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:01:14,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:01:14,484 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) [2023-11-29 05:01:14,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:01:14,517 INFO L93 Difference]: Finished difference Result 701 states and 942 transitions. [2023-11-29 05:01:14,517 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 701 states and 942 transitions. [2023-11-29 05:01:14,522 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 583 [2023-11-29 05:01:14,527 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 701 states to 701 states and 942 transitions. [2023-11-29 05:01:14,527 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 701 [2023-11-29 05:01:14,528 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 701 [2023-11-29 05:01:14,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 701 states and 942 transitions. [2023-11-29 05:01:14,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:01:14,529 INFO L218 hiAutomatonCegarLoop]: Abstraction has 701 states and 942 transitions. [2023-11-29 05:01:14,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states and 942 transitions. [2023-11-29 05:01:14,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 510. [2023-11-29 05:01:14,543 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) [2023-11-29 05:01:14,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 687 transitions. [2023-11-29 05:01:14,562 INFO L240 hiAutomatonCegarLoop]: Abstraction has 510 states and 687 transitions. [2023-11-29 05:01:14,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:01:14,563 INFO L428 stractBuchiCegarLoop]: Abstraction has 510 states and 687 transitions. [2023-11-29 05:01:14,563 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-29 05:01:14,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 510 states and 687 transitions. [2023-11-29 05:01:14,567 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 420 [2023-11-29 05:01:14,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:01:14,568 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:01:14,569 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] [2023-11-29 05:01:14,569 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] [2023-11-29 05:01:14,569 INFO L748 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 [2023-11-29 05:01:14,570 INFO L750 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 [2023-11-29 05:01:14,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:14,570 INFO L85 PathProgramCache]: Analyzing trace with hash -29299473, now seen corresponding path program 1 times [2023-11-29 05:01:14,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:14,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246779316] [2023-11-29 05:01:14,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:14,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:14,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:14,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:14,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246779316] [2023-11-29 05:01:14,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246779316] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:14,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:14,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:01:14,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869509044] [2023-11-29 05:01:14,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:14,614 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:01:14,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:14,615 INFO L85 PathProgramCache]: Analyzing trace with hash 389598066, now seen corresponding path program 1 times [2023-11-29 05:01:14,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:14,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846330840] [2023-11-29 05:01:14,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:14,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:14,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:14,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:14,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846330840] [2023-11-29 05:01:14,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846330840] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:14,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:14,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:01:14,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102940955] [2023-11-29 05:01:14,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:14,662 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 05:01:14,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:01:14,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:01:14,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:01:14,663 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) [2023-11-29 05:01:14,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:01:14,736 INFO L93 Difference]: Finished difference Result 745 states and 993 transitions. [2023-11-29 05:01:14,736 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 745 states and 993 transitions. [2023-11-29 05:01:14,742 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 619 [2023-11-29 05:01:14,747 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 745 states to 745 states and 993 transitions. [2023-11-29 05:01:14,747 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 745 [2023-11-29 05:01:14,748 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 745 [2023-11-29 05:01:14,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 745 states and 993 transitions. [2023-11-29 05:01:14,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:01:14,749 INFO L218 hiAutomatonCegarLoop]: Abstraction has 745 states and 993 transitions. [2023-11-29 05:01:14,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states and 993 transitions. [2023-11-29 05:01:14,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 563. [2023-11-29 05:01:14,759 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) [2023-11-29 05:01:14,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 753 transitions. [2023-11-29 05:01:14,762 INFO L240 hiAutomatonCegarLoop]: Abstraction has 563 states and 753 transitions. [2023-11-29 05:01:14,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:01:14,763 INFO L428 stractBuchiCegarLoop]: Abstraction has 563 states and 753 transitions. [2023-11-29 05:01:14,763 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-29 05:01:14,763 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 563 states and 753 transitions. [2023-11-29 05:01:14,767 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 456 [2023-11-29 05:01:14,767 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:01:14,768 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:01:14,768 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] [2023-11-29 05:01:14,769 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] [2023-11-29 05:01:14,769 INFO L748 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 [2023-11-29 05:01:14,769 INFO L750 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 [2023-11-29 05:01:14,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:14,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1617647313, now seen corresponding path program 1 times [2023-11-29 05:01:14,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:14,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158413302] [2023-11-29 05:01:14,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:14,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:14,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:01:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:14,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:01:14,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:14,806 INFO L85 PathProgramCache]: Analyzing trace with hash 935642930, now seen corresponding path program 1 times [2023-11-29 05:01:14,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:14,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865059732] [2023-11-29 05:01:14,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:14,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:14,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:14,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:14,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865059732] [2023-11-29 05:01:14,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865059732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:14,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:14,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:01:14,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059345884] [2023-11-29 05:01:14,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:14,852 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 05:01:14,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:01:14,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:01:14,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:01:14,853 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) [2023-11-29 05:01:14,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:01:14,929 INFO L93 Difference]: Finished difference Result 763 states and 1011 transitions. [2023-11-29 05:01:14,930 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 763 states and 1011 transitions. [2023-11-29 05:01:14,935 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 650 [2023-11-29 05:01:14,939 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 763 states to 763 states and 1011 transitions. [2023-11-29 05:01:14,939 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 763 [2023-11-29 05:01:14,940 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 763 [2023-11-29 05:01:14,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 763 states and 1011 transitions. [2023-11-29 05:01:14,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:01:14,941 INFO L218 hiAutomatonCegarLoop]: Abstraction has 763 states and 1011 transitions. [2023-11-29 05:01:14,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states and 1011 transitions. [2023-11-29 05:01:14,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 581. [2023-11-29 05:01:14,950 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) [2023-11-29 05:01:14,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 771 transitions. [2023-11-29 05:01:14,952 INFO L240 hiAutomatonCegarLoop]: Abstraction has 581 states and 771 transitions. [2023-11-29 05:01:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:01:14,953 INFO L428 stractBuchiCegarLoop]: Abstraction has 581 states and 771 transitions. [2023-11-29 05:01:14,953 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-29 05:01:14,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 581 states and 771 transitions. [2023-11-29 05:01:14,957 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 474 [2023-11-29 05:01:14,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:01:14,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:01:14,958 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] [2023-11-29 05:01:14,958 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] [2023-11-29 05:01:14,959 INFO L748 eck$LassoCheckResult]: Stem: 5027#$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; 5028#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; 5061#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; 5001#L222 assume !(1 == ~q_req_up~0); 5003#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 5159#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 5157#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 5075#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 5064#L275 assume !(0 == ~q_read_ev~0); 5065#L275-2 assume !(0 == ~q_write_ev~0); 5044#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; 5045#L65 assume !(1 == ~p_dw_pc~0); 5167#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 5106#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 5023#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; 5024#L315 assume !(0 != activate_threads_~tmp~1#1); 4995#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; 4996#L84 assume !(1 == ~c_dr_pc~0); 5019#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 5012#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 5013#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; 4972#L323 assume !(0 != activate_threads_~tmp___0~1#1); 4973#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; 5085#L293 assume !(1 == ~q_read_ev~0); 4965#L293-2 assume !(1 == ~q_write_ev~0); 4966#L298-1 assume { :end_inline_reset_delta_events } true; 5054#L419-2 [2023-11-29 05:01:14,959 INFO L750 eck$LassoCheckResult]: Loop: 5054#L419-2 assume !false; 5529#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; 5338#L364 assume !false; 5435#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; 5432#L255 assume !(0 == ~p_dw_st~0); 5431#L259 assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0; 5016#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 4989#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; 4990#L344 assume !(0 != eval_~tmp___1~0#1); 5008#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; 5009#L222-3 assume !(1 == ~q_req_up~0); 5474#L222-5 assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 5475#L275-3 assume !(0 == ~q_read_ev~0); 5449#L275-5 assume !(0 == ~q_write_ev~0); 5447#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; 5444#L65-3 assume !(1 == ~p_dw_pc~0); 5445#L65-5 is_do_write_p_triggered_~__retres1~0#1 := 0; 5436#L76-1 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 5437#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; 5429#L315-3 assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0; 5430#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; 5421#L84-3 assume !(1 == ~c_dr_pc~0); 5422#L84-5 is_do_read_c_triggered_~__retres1~1#1 := 0; 5373#L95-1 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 5374#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; 5363#L323-3 assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0; 5364#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; 5359#L293-3 assume !(1 == ~q_read_ev~0); 5358#L293-5 assume !(1 == ~q_write_ev~0); 5096#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; 5097#L255-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 5544#L267-1 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 5543#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; 5000#L394 assume !(0 != stop_simulation_~tmp~3#1);stop_simulation_~__retres2~0#1 := 1; 4982#L401 stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 4983#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; 5053#L436 assume !(0 != start_simulation_~tmp~4#1); 5054#L419-2 [2023-11-29 05:01:14,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:14,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1617647313, now seen corresponding path program 2 times [2023-11-29 05:01:14,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:14,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895168495] [2023-11-29 05:01:14,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:14,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:14,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:01:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:14,979 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:01:14,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:14,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1296496688, now seen corresponding path program 1 times [2023-11-29 05:01:14,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:14,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38437640] [2023-11-29 05:01:14,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:14,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:15,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:15,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:15,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38437640] [2023-11-29 05:01:15,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38437640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:15,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:15,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:01:15,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172512374] [2023-11-29 05:01:15,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:15,026 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 05:01:15,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:01:15,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:01:15,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:01:15,027 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) [2023-11-29 05:01:15,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:01:15,073 INFO L93 Difference]: Finished difference Result 715 states and 945 transitions. [2023-11-29 05:01:15,073 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 715 states and 945 transitions. [2023-11-29 05:01:15,086 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 602 [2023-11-29 05:01:15,092 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 715 states to 715 states and 945 transitions. [2023-11-29 05:01:15,092 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 715 [2023-11-29 05:01:15,093 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 715 [2023-11-29 05:01:15,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 715 states and 945 transitions. [2023-11-29 05:01:15,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:01:15,094 INFO L218 hiAutomatonCegarLoop]: Abstraction has 715 states and 945 transitions. [2023-11-29 05:01:15,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states and 945 transitions. [2023-11-29 05:01:15,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 599. [2023-11-29 05:01:15,106 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) [2023-11-29 05:01:15,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 789 transitions. [2023-11-29 05:01:15,109 INFO L240 hiAutomatonCegarLoop]: Abstraction has 599 states and 789 transitions. [2023-11-29 05:01:15,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:01:15,110 INFO L428 stractBuchiCegarLoop]: Abstraction has 599 states and 789 transitions. [2023-11-29 05:01:15,110 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-29 05:01:15,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 599 states and 789 transitions. [2023-11-29 05:01:15,114 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 492 [2023-11-29 05:01:15,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:01:15,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:01:15,115 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] [2023-11-29 05:01:15,115 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] [2023-11-29 05:01:15,115 INFO L748 eck$LassoCheckResult]: Stem: 6336#$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; 6337#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; 6364#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; 6310#L222 assume !(1 == ~q_req_up~0); 6312#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 6458#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 6457#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 6378#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 6369#L275 assume !(0 == ~q_read_ev~0); 6370#L275-2 assume !(0 == ~q_write_ev~0); 6351#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; 6352#L65 assume !(1 == ~p_dw_pc~0); 6467#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 6406#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 6334#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; 6335#L315 assume !(0 != activate_threads_~tmp~1#1); 6304#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; 6305#L84 assume !(1 == ~c_dr_pc~0); 6463#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 6462#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 6460#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; 6459#L323 assume !(0 != activate_threads_~tmp___0~1#1); 6397#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; 6388#L293 assume !(1 == ~q_read_ev~0); 6274#L293-2 assume !(1 == ~q_write_ev~0); 6275#L298-1 assume { :end_inline_reset_delta_events } true; 6694#L419-2 [2023-11-29 05:01:15,116 INFO L750 eck$LassoCheckResult]: Loop: 6694#L419-2 assume !false; 6693#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; 6540#L364 assume !false; 6667#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; 6666#L255 assume !(0 == ~p_dw_st~0); 6665#L259 assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0; 6664#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 6662#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; 6659#L344 assume !(0 != eval_~tmp___1~0#1); 6660#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; 6800#L222-3 assume !(1 == ~q_req_up~0); 6801#L222-5 assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 6871#L275-3 assume !(0 == ~q_read_ev~0); 6382#L275-5 assume !(0 == ~q_write_ev~0); 6383#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; 6287#L65-3 assume !(1 == ~p_dw_pc~0); 6288#L65-5 is_do_write_p_triggered_~__retres1~0#1 := 0; 6328#L76-1 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 6381#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; 6385#L315-3 assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0; 6363#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; 6279#L84-3 assume !(1 == ~c_dr_pc~0); 6280#L84-5 is_do_read_c_triggered_~__retres1~1#1 := 0; 6344#L95-1 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 6345#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; 6360#L323-3 assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0; 6403#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; 6375#L293-3 assume !(1 == ~q_read_ev~0); 6283#L293-5 assume !(1 == ~q_write_ev~0); 6284#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; 6355#L255-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 6356#L267-1 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 6333#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; 6306#L394 assume 0 != stop_simulation_~tmp~3#1;stop_simulation_~__retres2~0#1 := 0; 6289#L401 stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 6290#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; 6402#L436 assume !(0 != start_simulation_~tmp~4#1); 6694#L419-2 [2023-11-29 05:01:15,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:15,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1617647313, now seen corresponding path program 3 times [2023-11-29 05:01:15,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:15,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998124811] [2023-11-29 05:01:15,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:15,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:15,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:01:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:15,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:01:15,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:15,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1296437106, now seen corresponding path program 1 times [2023-11-29 05:01:15,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:15,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653860549] [2023-11-29 05:01:15,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:15,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:15,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:15,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653860549] [2023-11-29 05:01:15,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653860549] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:15,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:15,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:01:15,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543499233] [2023-11-29 05:01:15,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:15,207 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 05:01:15,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:01:15,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:01:15,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:01:15,208 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) [2023-11-29 05:01:15,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:01:15,256 INFO L93 Difference]: Finished difference Result 907 states and 1187 transitions. [2023-11-29 05:01:15,257 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 907 states and 1187 transitions. [2023-11-29 05:01:15,264 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 800 [2023-11-29 05:01:15,271 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 907 states to 907 states and 1187 transitions. [2023-11-29 05:01:15,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 907 [2023-11-29 05:01:15,273 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 907 [2023-11-29 05:01:15,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 907 states and 1187 transitions. [2023-11-29 05:01:15,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:01:15,275 INFO L218 hiAutomatonCegarLoop]: Abstraction has 907 states and 1187 transitions. [2023-11-29 05:01:15,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states and 1187 transitions. [2023-11-29 05:01:15,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 611. [2023-11-29 05:01:15,290 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) [2023-11-29 05:01:15,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 789 transitions. [2023-11-29 05:01:15,292 INFO L240 hiAutomatonCegarLoop]: Abstraction has 611 states and 789 transitions. [2023-11-29 05:01:15,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:01:15,294 INFO L428 stractBuchiCegarLoop]: Abstraction has 611 states and 789 transitions. [2023-11-29 05:01:15,294 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-29 05:01:15,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 611 states and 789 transitions. [2023-11-29 05:01:15,297 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 504 [2023-11-29 05:01:15,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:01:15,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:01:15,298 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] [2023-11-29 05:01:15,298 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] [2023-11-29 05:01:15,298 INFO L748 eck$LassoCheckResult]: Stem: 7854#$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; 7855#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; 7883#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; 7828#L222 assume !(1 == ~q_req_up~0); 7830#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 7975#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 7973#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 7898#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 7886#L275 assume !(0 == ~q_read_ev~0); 7887#L275-2 assume !(0 == ~q_write_ev~0); 7870#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; 7871#L65 assume !(1 == ~p_dw_pc~0); 7983#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 7923#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 7851#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; 7852#L315 assume !(0 != activate_threads_~tmp~1#1); 7822#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; 7823#L84 assume !(1 == ~c_dr_pc~0); 7846#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 7839#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 7840#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; 7799#L323 assume !(0 != activate_threads_~tmp___0~1#1); 7800#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; 7908#L293 assume !(1 == ~q_read_ev~0); 7909#L293-2 assume !(1 == ~q_write_ev~0); 7893#L298-1 assume { :end_inline_reset_delta_events } true; 7894#L419-2 [2023-11-29 05:01:15,299 INFO L750 eck$LassoCheckResult]: Loop: 7894#L419-2 assume !false; 8045#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; 8043#L364 assume !false; 8038#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; 8039#L255 assume !(0 == ~p_dw_st~0); 8033#L259 assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0; 8035#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 8118#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; 8116#L344 assume !(0 != eval_~tmp___1~0#1); 8114#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; 8111#L222-3 assume !(1 == ~q_req_up~0); 8112#L222-5 assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 8160#L275-3 assume !(0 == ~q_read_ev~0); 8159#L275-5 assume !(0 == ~q_write_ev~0); 8094#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; 8158#L65-3 assume !(1 == ~p_dw_pc~0); 8157#L65-5 is_do_write_p_triggered_~__retres1~0#1 := 0; 8155#L76-1 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 8153#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; 8151#L315-3 assume !(0 != activate_threads_~tmp~1#1); 8149#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; 8147#L84-3 assume !(1 == ~c_dr_pc~0); 8145#L84-5 is_do_read_c_triggered_~__retres1~1#1 := 0; 8143#L95-1 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 8141#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; 8139#L323-3 assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0; 8137#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; 8136#L293-3 assume !(1 == ~q_read_ev~0); 8134#L293-5 assume !(1 == ~q_write_ev~0); 8133#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; 8130#L255-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 8129#L267-1 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 8128#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; 8127#L394 assume 0 != stop_simulation_~tmp~3#1;stop_simulation_~__retres2~0#1 := 0; 8125#L401 stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 8124#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; 8048#L436 assume !(0 != start_simulation_~tmp~4#1); 7894#L419-2 [2023-11-29 05:01:15,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:15,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1617647313, now seen corresponding path program 4 times [2023-11-29 05:01:15,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:15,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837454329] [2023-11-29 05:01:15,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:15,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:15,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:01:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:15,317 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:01:15,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:15,318 INFO L85 PathProgramCache]: Analyzing trace with hash -697707600, now seen corresponding path program 1 times [2023-11-29 05:01:15,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:15,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725897735] [2023-11-29 05:01:15,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:15,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:15,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:15,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:15,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725897735] [2023-11-29 05:01:15,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725897735] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:15,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:15,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:01:15,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446756217] [2023-11-29 05:01:15,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:15,343 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 05:01:15,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:01:15,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:01:15,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:01:15,344 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) [2023-11-29 05:01:15,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:01:15,369 INFO L93 Difference]: Finished difference Result 816 states and 1019 transitions. [2023-11-29 05:01:15,370 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 816 states and 1019 transitions. [2023-11-29 05:01:15,376 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 613 [2023-11-29 05:01:15,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 816 states to 816 states and 1019 transitions. [2023-11-29 05:01:15,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 816 [2023-11-29 05:01:15,383 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 816 [2023-11-29 05:01:15,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 816 states and 1019 transitions. [2023-11-29 05:01:15,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:01:15,385 INFO L218 hiAutomatonCegarLoop]: Abstraction has 816 states and 1019 transitions. [2023-11-29 05:01:15,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states and 1019 transitions. [2023-11-29 05:01:15,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 816. [2023-11-29 05:01:15,400 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) [2023-11-29 05:01:15,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1019 transitions. [2023-11-29 05:01:15,404 INFO L240 hiAutomatonCegarLoop]: Abstraction has 816 states and 1019 transitions. [2023-11-29 05:01:15,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:01:15,405 INFO L428 stractBuchiCegarLoop]: Abstraction has 816 states and 1019 transitions. [2023-11-29 05:01:15,405 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-29 05:01:15,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 816 states and 1019 transitions. [2023-11-29 05:01:15,410 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 613 [2023-11-29 05:01:15,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:01:15,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:01:15,411 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] [2023-11-29 05:01:15,411 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] [2023-11-29 05:01:15,411 INFO L748 eck$LassoCheckResult]: Stem: 9286#$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; 9287#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; 9315#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; 9261#L222 assume !(1 == ~q_req_up~0); 9263#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 9729#L237 assume !(1 == ~p_dw_i~0);~p_dw_st~0 := 2; 9322#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 9323#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 9319#L275 assume !(0 == ~q_read_ev~0); 9320#L275-2 assume !(0 == ~q_write_ev~0); 9330#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; 10034#L65 assume !(1 == ~p_dw_pc~0); 10033#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 10032#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 9283#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; 9284#L315 assume !(0 != activate_threads_~tmp~1#1); 9255#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; 9256#L84 assume !(1 == ~c_dr_pc~0); 9278#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 9272#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 9273#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; 9969#L323 assume !(0 != activate_threads_~tmp___0~1#1); 9344#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; 9336#L293 assume !(1 == ~q_read_ev~0); 9337#L293-2 assume !(1 == ~q_write_ev~0); 9803#L298-1 assume { :end_inline_reset_delta_events } true; 9801#L419-2 [2023-11-29 05:01:15,411 INFO L750 eck$LassoCheckResult]: Loop: 9801#L419-2 assume !false; 9798#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; 9560#L364 assume !false; 9795#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; 9792#L255 assume !(0 == ~p_dw_st~0); 9227#L259 assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0; 9229#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 9783#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; 9778#L344 assume !(0 != eval_~tmp___1~0#1); 9779#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; 9970#L222-3 assume !(1 == ~q_req_up~0); 9967#L222-5 assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 9965#L275-3 assume !(0 == ~q_read_ev~0); 9332#L275-5 assume !(0 == ~q_write_ev~0); 9333#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; 9238#L65-3 assume !(1 == ~p_dw_pc~0); 9239#L65-5 is_do_write_p_triggered_~__retres1~0#1 := 0; 9277#L76-1 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 9331#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; 9335#L315-3 assume !(0 != activate_threads_~tmp~1#1); 9314#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; 9230#L84-3 assume !(1 == ~c_dr_pc~0); 9231#L84-5 is_do_read_c_triggered_~__retres1~1#1 := 0; 9294#L95-1 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 9295#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; 9311#L323-3 assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0; 9291#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; 9292#L293-3 assume !(1 == ~q_read_ev~0); 9329#L293-5 assume !(1 == ~q_write_ev~0); 9869#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; 9838#L255-1 assume !(0 == ~p_dw_st~0); 9833#L259-1 assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0; 9828#L267-1 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 9823#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; 9819#L394 assume !(0 != stop_simulation_~tmp~3#1);stop_simulation_~__retres2~0#1 := 1; 9814#L401 stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 9808#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; 9804#L436 assume !(0 != start_simulation_~tmp~4#1); 9801#L419-2 [2023-11-29 05:01:15,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:15,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1194945487, now seen corresponding path program 1 times [2023-11-29 05:01:15,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:15,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306281003] [2023-11-29 05:01:15,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:15,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:15,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:15,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:15,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306281003] [2023-11-29 05:01:15,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306281003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:15,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:15,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:01:15,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775256580] [2023-11-29 05:01:15,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:15,433 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:01:15,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:15,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1496424074, now seen corresponding path program 1 times [2023-11-29 05:01:15,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:15,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511517607] [2023-11-29 05:01:15,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:15,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:15,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:15,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:15,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511517607] [2023-11-29 05:01:15,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511517607] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:15,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:15,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:01:15,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275122760] [2023-11-29 05:01:15,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:15,455 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 05:01:15,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:01:15,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:01:15,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:01:15,456 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) [2023-11-29 05:01:15,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:01:15,464 INFO L93 Difference]: Finished difference Result 738 states and 925 transitions. [2023-11-29 05:01:15,465 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 738 states and 925 transitions. [2023-11-29 05:01:15,470 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 613 [2023-11-29 05:01:15,476 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 738 states to 738 states and 925 transitions. [2023-11-29 05:01:15,476 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 738 [2023-11-29 05:01:15,477 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 738 [2023-11-29 05:01:15,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 738 states and 925 transitions. [2023-11-29 05:01:15,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:01:15,478 INFO L218 hiAutomatonCegarLoop]: Abstraction has 738 states and 925 transitions. [2023-11-29 05:01:15,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states and 925 transitions. [2023-11-29 05:01:15,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 738. [2023-11-29 05:01:15,491 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) [2023-11-29 05:01:15,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 925 transitions. [2023-11-29 05:01:15,494 INFO L240 hiAutomatonCegarLoop]: Abstraction has 738 states and 925 transitions. [2023-11-29 05:01:15,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:01:15,495 INFO L428 stractBuchiCegarLoop]: Abstraction has 738 states and 925 transitions. [2023-11-29 05:01:15,495 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-29 05:01:15,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 738 states and 925 transitions. [2023-11-29 05:01:15,499 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 613 [2023-11-29 05:01:15,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:01:15,500 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:01:15,500 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] [2023-11-29 05:01:15,500 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:01:15,500 INFO L748 eck$LassoCheckResult]: Stem: 10851#$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; 10852#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; 10880#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; 10823#L222 assume !(1 == ~q_req_up~0); 10810#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 10811#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 10972#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 10894#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 10882#L275 assume !(0 == ~q_read_ev~0); 10883#L275-2 assume !(0 == ~q_write_ev~0); 10866#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; 10867#L65 assume !(1 == ~p_dw_pc~0); 10978#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 10923#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 10845#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; 10846#L315 assume !(0 != activate_threads_~tmp~1#1); 10816#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; 10817#L84 assume !(1 == ~c_dr_pc~0); 10973#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 10834#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 10835#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; 10793#L323 assume !(0 != activate_threads_~tmp___0~1#1); 10794#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; 10903#L293 assume !(1 == ~q_read_ev~0); 10904#L293-2 assume !(1 == ~q_write_ev~0); 10892#L298-1 assume { :end_inline_reset_delta_events } true; 10893#L419-2 assume !false; 11036#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; 11031#L364 assume !false; 11026#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; 11027#L255 assume !(0 == ~p_dw_st~0); 10788#L259 [2023-11-29 05:01:15,500 INFO L750 eck$LassoCheckResult]: Loop: 10788#L259 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 10789#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 11515#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; 11443#L344 assume 0 != eval_~tmp___1~0#1; 10884#L344-1 assume !(0 == ~p_dw_st~0); 10827#L349 assume !(0 == ~c_dr_st~0); 10829#L364 assume !false; 10918#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; 11450#L255 assume !(0 == ~p_dw_st~0); 10788#L259 [2023-11-29 05:01:15,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:15,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1220673252, now seen corresponding path program 1 times [2023-11-29 05:01:15,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:15,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91924813] [2023-11-29 05:01:15,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:15,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:15,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:15,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:15,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91924813] [2023-11-29 05:01:15,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91924813] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:15,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:15,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:01:15,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671931550] [2023-11-29 05:01:15,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:15,528 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:01:15,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:15,529 INFO L85 PathProgramCache]: Analyzing trace with hash -563681025, now seen corresponding path program 1 times [2023-11-29 05:01:15,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:15,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750374457] [2023-11-29 05:01:15,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:15,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:15,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:15,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:15,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750374457] [2023-11-29 05:01:15,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750374457] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:15,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:15,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:01:15,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284494831] [2023-11-29 05:01:15,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:15,543 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 05:01:15,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:01:15,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:01:15,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:01:15,543 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) [2023-11-29 05:01:15,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:01:15,568 INFO L93 Difference]: Finished difference Result 806 states and 1003 transitions. [2023-11-29 05:01:15,568 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 806 states and 1003 transitions. [2023-11-29 05:01:15,574 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 681 [2023-11-29 05:01:15,580 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 806 states to 806 states and 1003 transitions. [2023-11-29 05:01:15,581 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 806 [2023-11-29 05:01:15,581 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 806 [2023-11-29 05:01:15,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 806 states and 1003 transitions. [2023-11-29 05:01:15,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:01:15,583 INFO L218 hiAutomatonCegarLoop]: Abstraction has 806 states and 1003 transitions. [2023-11-29 05:01:15,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states and 1003 transitions. [2023-11-29 05:01:15,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 786. [2023-11-29 05:01:15,598 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) [2023-11-29 05:01:15,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 981 transitions. [2023-11-29 05:01:15,601 INFO L240 hiAutomatonCegarLoop]: Abstraction has 786 states and 981 transitions. [2023-11-29 05:01:15,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:01:15,602 INFO L428 stractBuchiCegarLoop]: Abstraction has 786 states and 981 transitions. [2023-11-29 05:01:15,602 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-29 05:01:15,602 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 786 states and 981 transitions. [2023-11-29 05:01:15,606 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 661 [2023-11-29 05:01:15,606 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:01:15,606 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:01:15,607 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] [2023-11-29 05:01:15,607 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:01:15,607 INFO L748 eck$LassoCheckResult]: Stem: 12398#$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; 12399#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; 12427#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; 12373#L222 assume !(1 == ~q_req_up~0); 12375#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 12408#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 12409#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 12432#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 12430#L275 assume !(0 == ~q_read_ev~0); 12431#L275-2 assume !(0 == ~q_write_ev~0); 12442#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; 12466#L65 assume !(1 == ~p_dw_pc~0); 12424#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 12425#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 12531#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; 12530#L315 assume !(0 != activate_threads_~tmp~1#1); 12529#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; 12528#L84 assume !(1 == ~c_dr_pc~0); 12527#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 12526#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 12403#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; 12343#L323 assume !(0 != activate_threads_~tmp___0~1#1); 12344#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; 12447#L293 assume !(1 == ~q_read_ev~0); 12337#L293-2 assume !(1 == ~q_write_ev~0); 12338#L298-1 assume { :end_inline_reset_delta_events } true; 12890#L419-2 assume !false; 12889#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; 12888#L364 assume !false; 12887#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; 12885#L255 assume !(0 == ~p_dw_st~0); 12886#L259 [2023-11-29 05:01:15,607 INFO L750 eck$LassoCheckResult]: Loop: 12886#L259 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 12987#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 13064#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; 13059#L344 assume 0 != eval_~tmp___1~0#1; 12869#L344-1 assume !(0 == ~p_dw_st~0); 12800#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; 12698#L368 assume !(0 != eval_~tmp___0~2#1); 12699#L364 assume !false; 13114#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; 13073#L255 assume !(0 == ~p_dw_st~0); 12886#L259 [2023-11-29 05:01:15,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:15,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1220673252, now seen corresponding path program 2 times [2023-11-29 05:01:15,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:15,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507383444] [2023-11-29 05:01:15,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:15,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:15,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:15,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507383444] [2023-11-29 05:01:15,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507383444] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:15,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:15,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:01:15,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65984757] [2023-11-29 05:01:15,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:15,633 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:01:15,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:15,634 INFO L85 PathProgramCache]: Analyzing trace with hash -351055962, now seen corresponding path program 1 times [2023-11-29 05:01:15,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:15,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324250415] [2023-11-29 05:01:15,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:15,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:15,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:01:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:15,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:01:15,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:01:15,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:01:15,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:01:15,701 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) [2023-11-29 05:01:15,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:01:15,722 INFO L93 Difference]: Finished difference Result 786 states and 953 transitions. [2023-11-29 05:01:15,722 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 786 states and 953 transitions. [2023-11-29 05:01:15,738 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 661 [2023-11-29 05:01:15,742 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 786 states to 786 states and 953 transitions. [2023-11-29 05:01:15,742 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 786 [2023-11-29 05:01:15,743 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 786 [2023-11-29 05:01:15,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 786 states and 953 transitions. [2023-11-29 05:01:15,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:01:15,744 INFO L218 hiAutomatonCegarLoop]: Abstraction has 786 states and 953 transitions. [2023-11-29 05:01:15,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states and 953 transitions. [2023-11-29 05:01:15,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 786. [2023-11-29 05:01:15,753 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) [2023-11-29 05:01:15,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 953 transitions. [2023-11-29 05:01:15,755 INFO L240 hiAutomatonCegarLoop]: Abstraction has 786 states and 953 transitions. [2023-11-29 05:01:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:01:15,756 INFO L428 stractBuchiCegarLoop]: Abstraction has 786 states and 953 transitions. [2023-11-29 05:01:15,757 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-29 05:01:15,757 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 786 states and 953 transitions. [2023-11-29 05:01:15,761 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 661 [2023-11-29 05:01:15,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:01:15,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:01:15,762 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] [2023-11-29 05:01:15,762 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:01:15,762 INFO L748 eck$LassoCheckResult]: Stem: 13976#$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; 13977#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; 14005#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; 13951#L222 assume !(1 == ~q_req_up~0); 13953#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 13988#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 13989#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 14012#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 14010#L275 assume !(0 == ~q_read_ev~0); 14011#L275-2 assume !(0 == ~q_write_ev~0); 14021#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; 14046#L65 assume !(1 == ~p_dw_pc~0); 14002#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 14003#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 14109#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; 14108#L315 assume !(0 != activate_threads_~tmp~1#1); 14107#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; 14106#L84 assume !(1 == ~c_dr_pc~0); 14105#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 14104#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 13983#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; 13921#L323 assume !(0 != activate_threads_~tmp___0~1#1); 13922#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; 14028#L293 assume !(1 == ~q_read_ev~0); 14029#L293-2 assume !(1 == ~q_write_ev~0); 14016#L298-1 assume { :end_inline_reset_delta_events } true; 14017#L419-2 assume !false; 14632#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; 14629#L364 assume !false; 14626#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; 14623#L255 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 14620#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 14617#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; 14614#L344 assume 0 != eval_~tmp___1~0#1; 14611#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; 14608#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; 14033#L128 assume 0 == ~p_dw_pc~0; 13930#L139-1 [2023-11-29 05:01:15,763 INFO L750 eck$LassoCheckResult]: Loop: 13930#L139-1 assume !false; 13931#L140 assume !(0 == ~q_free~0); 14018#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; 13930#L139-1 [2023-11-29 05:01:15,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:15,763 INFO L85 PathProgramCache]: Analyzing trace with hash 519638469, now seen corresponding path program 1 times [2023-11-29 05:01:15,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:15,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034787963] [2023-11-29 05:01:15,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:15,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:15,772 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:01:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:15,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:01:15,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:15,784 INFO L85 PathProgramCache]: Analyzing trace with hash 211736, now seen corresponding path program 1 times [2023-11-29 05:01:15,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:15,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778429928] [2023-11-29 05:01:15,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:15,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:15,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:01:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:15,791 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:01:15,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:15,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1487677140, now seen corresponding path program 1 times [2023-11-29 05:01:15,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:15,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368679592] [2023-11-29 05:01:15,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:15,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:15,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:01:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:15,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:01:15,848 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:01:15,849 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:01:15,849 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:01:15,849 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:01:15,849 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 05:01:15,849 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:15,849 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:01:15,849 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:01:15,849 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_2.cil-2.c_Iteration13_Loop [2023-11-29 05:01:15,849 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:01:15,849 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:01:15,865 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:15,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:15,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:15,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:15,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:15,956 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:01:15,957 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 05:01:15,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:15,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:15,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:15,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 05:01:15,975 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:01:15,975 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:01:15,997 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 05:01:15,997 INFO L440 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: [] [2023-11-29 05:01:16,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:16,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,003 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 05:01:16,018 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:01:16,018 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:01:16,031 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 05:01:16,031 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~q_req_up~0=1} Honda state: {~q_req_up~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 05:01:16,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 05:01:16,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,036 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 05:01:16,039 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:01:16,040 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:01:16,053 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 05:01:16,053 INFO L440 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: [] [2023-11-29 05:01:16,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 05:01:16,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,058 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 05:01:16,063 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:01:16,064 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:01:16,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 05:01:16,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,080 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 05:01:16,083 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 05:01:16,084 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:01:16,115 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 05:01:16,115 INFO L440 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=-6}, {~p_num_write~0=1}, {~p_num_write~0=6}] Lambdas: [1, 1, 1] Nus: [0, 0] [2023-11-29 05:01:16,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:16,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,120 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 05:01:16,123 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 05:01:16,123 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:01:16,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 05:01:16,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,140 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 05:01:16,143 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 05:01:16,144 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 05:01:16,176 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 05:01:16,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 05:01:16,180 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:01:16,180 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:01:16,180 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:01:16,180 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:01:16,180 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 05:01:16,180 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,180 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:01:16,181 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:01:16,181 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_2.cil-2.c_Iteration13_Loop [2023-11-29 05:01:16,181 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:01:16,181 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:01:16,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:16,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:16,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:16,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:16,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:16,268 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:01:16,273 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 05:01:16,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,275 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,279 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 [2023-11-29 05:01:16,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 05:01:16,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:16,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:01:16,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 05:01:16,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,301 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 05:01:16,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:01:16,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:16,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:01:16,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 05:01:16,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,324 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 05:01:16,331 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 [2023-11-29 05:01:16,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:16,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:01:16,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:16,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,348 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 05:01:16,351 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 [2023-11-29 05:01:16,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:16,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:01:16,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 05:01:16,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,369 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 05:01:16,372 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 [2023-11-29 05:01:16,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,382 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 05:01:16,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:16,384 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 05:01:16,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 05:01:16,391 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-29 05:01:16,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,392 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 05:01:16,395 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 [2023-11-29 05:01:16,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,405 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 05:01:16,406 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-29 05:01:16,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 05:01:16,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,413 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 05:01:16,416 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 [2023-11-29 05:01:16,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,427 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 05:01:16,428 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-29 05:01:16,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 05:01:16,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,435 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 05:01:16,439 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 [2023-11-29 05:01:16,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,450 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 05:01:16,451 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-29 05:01:16,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 05:01:16,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,458 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 05:01:16,460 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 [2023-11-29 05:01:16,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,471 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 05:01:16,472 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-29 05:01:16,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 05:01:16,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,481 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 05:01:16,486 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 [2023-11-29 05:01:16,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,499 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 05:01:16,499 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 05:01:16,502 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:16,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 05:01:16,511 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-29 05:01:16,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,512 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 05:01:16,516 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 [2023-11-29 05:01:16,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,530 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 05:01:16,537 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 05:01:16,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-29 05:01:16,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,549 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 05:01:16,554 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 [2023-11-29 05:01:16,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,568 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 05:01:16,569 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 05:01:16,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 05:01:16,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,577 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 05:01:16,585 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 [2023-11-29 05:01:16,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,597 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 05:01:16,599 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 05:01:16,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-29 05:01:16,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,607 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 05:01:16,610 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 [2023-11-29 05:01:16,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,624 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 05:01:16,627 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 05:01:16,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:16,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,638 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 05:01:16,641 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 [2023-11-29 05:01:16,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,654 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 05:01:16,654 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 05:01:16,658 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-29 05:01:16,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-29 05:01:16,669 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-29 05:01:16,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,670 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 05:01:16,673 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 [2023-11-29 05:01:16,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,687 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 05:01:16,689 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-29 05:01:16,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-29 05:01:16,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,698 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 05:01:16,702 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 [2023-11-29 05:01:16,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,716 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 05:01:16,718 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-29 05:01:16,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-29 05:01:16,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,728 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-29 05:01:16,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:01:16,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,745 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 05:01:16,746 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-29 05:01:16,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:16,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,754 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-29 05:01:16,758 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 [2023-11-29 05:01:16,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,771 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 05:01:16,772 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-29 05:01:16,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:16,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,782 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-29 05:01:16,785 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 [2023-11-29 05:01:16,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:16,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,799 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 05:01:16,799 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 05:01:16,804 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2023-11-29 05:01:16,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-29 05:01:16,815 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-29 05:01:16,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,816 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-29 05:01:16,819 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 [2023-11-29 05:01:16,832 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:16,832 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 05:01:16,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,832 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 05:01:16,834 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-29 05:01:16,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-29 05:01:16,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,844 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-29 05:01:16,848 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 [2023-11-29 05:01:16,861 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:16,861 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 05:01:16,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,862 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 05:01:16,864 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-29 05:01:16,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:16,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,874 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-29 05:01:16,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:01:16,887 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:16,887 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 05:01:16,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,888 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 05:01:16,889 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-29 05:01:16,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:16,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,897 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-29 05:01:16,902 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 [2023-11-29 05:01:16,915 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:16,915 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 05:01:16,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,915 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 05:01:16,917 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-29 05:01:16,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-29 05:01:16,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,930 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-29 05:01:16,933 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 [2023-11-29 05:01:16,946 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:16,946 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 05:01:16,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,947 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 05:01:16,947 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 05:01:16,949 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:16,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:16,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:16,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-29 05:01:16,973 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-29 05:01:16,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:16,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:16,974 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:16,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-29 05:01:16,977 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 [2023-11-29 05:01:16,990 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:16,990 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-29 05:01:16,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:16,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:16,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:16,991 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 05:01:16,992 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 05:01:16,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-29 05:01:17,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:17,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:17,006 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:17,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-29 05:01:17,010 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 [2023-11-29 05:01:17,023 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:17,024 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-29 05:01:17,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:17,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:17,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:17,024 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 05:01:17,026 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 05:01:17,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-29 05:01:17,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:17,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:17,037 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:17,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-29 05:01:17,041 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 [2023-11-29 05:01:17,054 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:17,054 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-29 05:01:17,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:17,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:17,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:17,055 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 05:01:17,057 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 05:01:17,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-29 05:01:17,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:17,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:17,066 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:17,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-29 05:01:17,069 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 [2023-11-29 05:01:17,081 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:17,081 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-29 05:01:17,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:17,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:17,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:17,081 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 05:01:17,083 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 05:01:17,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:17,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:17,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:17,096 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:17,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-29 05:01:17,099 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 [2023-11-29 05:01:17,112 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:17,112 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-29 05:01:17,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:17,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:17,112 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 05:01:17,112 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 05:01:17,116 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-29 05:01:17,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:17,132 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-29 05:01:17,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:17,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:17,133 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:17,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-29 05:01:17,136 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 [2023-11-29 05:01:17,150 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:17,150 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 05:01:17,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:17,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:17,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:17,151 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 05:01:17,154 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-29 05:01:17,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:17,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:17,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:17,169 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:17,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-29 05:01:17,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:01:17,186 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:17,186 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 05:01:17,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:17,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:17,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:17,187 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 05:01:17,189 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-29 05:01:17,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-11-29 05:01:17,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:17,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:17,201 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:17,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-29 05:01:17,203 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 [2023-11-29 05:01:17,214 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:17,214 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 05:01:17,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:17,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:17,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:17,214 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 05:01:17,216 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-29 05:01:17,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-29 05:01:17,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:17,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:17,226 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:17,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-29 05:01:17,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:01:17,240 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:17,240 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 05:01:17,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:17,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:17,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:17,240 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 05:01:17,242 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-29 05:01:17,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-29 05:01:17,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:17,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:17,255 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:17,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-29 05:01:17,258 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 [2023-11-29 05:01:17,270 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:17,270 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 05:01:17,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:17,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:17,270 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 05:01:17,270 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-29 05:01:17,276 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2023-11-29 05:01:17,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-29 05:01:17,294 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-29 05:01:17,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:17,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:17,295 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:17,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-29 05:01:17,297 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 [2023-11-29 05:01:17,308 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:17,308 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 05:01:17,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:17,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:17,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:17,308 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 05:01:17,309 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 05:01:17,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:17,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:17,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:17,317 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:17,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-29 05:01:17,320 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 [2023-11-29 05:01:17,330 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:17,330 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 05:01:17,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:17,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:17,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:17,330 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 05:01:17,331 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 05:01:17,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-29 05:01:17,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:17,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:17,340 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:17,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-29 05:01:17,343 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 [2023-11-29 05:01:17,353 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:17,353 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 05:01:17,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:17,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:17,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:17,354 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 05:01:17,354 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 05:01:17,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-29 05:01:17,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:17,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:17,361 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:17,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-29 05:01:17,364 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 [2023-11-29 05:01:17,375 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:17,375 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 05:01:17,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:17,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:17,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:17,375 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 05:01:17,376 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 05:01:17,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-29 05:01:17,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:17,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:17,384 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:17,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-29 05:01:17,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:01:17,396 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:17,397 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-29 05:01:17,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:17,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:17,397 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 05:01:17,397 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-29 05:01:17,399 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-29 05:01:17,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:17,409 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-11-29 05:01:17,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:17,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:17,410 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:17,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-29 05:01:17,413 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 [2023-11-29 05:01:17,423 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:17,423 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 05:01:17,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:17,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:17,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:17,424 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-29 05:01:17,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:17,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-11-29 05:01:17,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:17,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:17,435 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:17,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-29 05:01:17,437 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 [2023-11-29 05:01:17,448 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:17,448 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 05:01:17,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:17,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:17,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:17,448 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-29 05:01:17,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:17,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2023-11-29 05:01:17,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:17,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:17,461 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:17,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-29 05:01:17,463 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 [2023-11-29 05:01:17,474 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:17,474 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 05:01:17,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:17,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:17,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:17,474 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-29 05:01:17,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:17,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-11-29 05:01:17,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:17,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:17,484 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:17,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-29 05:01:17,488 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 [2023-11-29 05:01:17,498 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:17,498 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 05:01:17,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:17,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:17,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:17,499 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-29 05:01:17,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:17,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2023-11-29 05:01:17,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:17,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:17,511 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:17,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-29 05:01:17,513 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 [2023-11-29 05:01:17,524 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-29 05:01:17,524 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-29 05:01:17,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:17,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:17,524 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 05:01:17,524 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-29 05:01:17,528 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-29 05:01:17,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:17,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:17,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2023-11-29 05:01:18,299 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:01:18,299 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:01:18,299 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:01:18,299 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:01:18,299 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 05:01:18,299 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:18,299 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:01:18,299 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:01:18,299 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_2.cil-2.c_Iteration13_Lasso [2023-11-29 05:01:18,299 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:01:18,299 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:01:18,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,316 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,379 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,381 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,393 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,418 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,436 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,438 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,452 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,454 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,464 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:01:18,747 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:01:18,747 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 05:01:18,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:18,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:18,748 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:18,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-29 05:01:18,751 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 [2023-11-29 05:01:18,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:18,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:18,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:18,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:18,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:18,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:18,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:18,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-29 05:01:18,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:18,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:18,770 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:18,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-29 05:01:18,772 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 [2023-11-29 05:01:18,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:18,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:18,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:18,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:18,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:18,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:01:18,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:18,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:18,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-11-29 05:01:18,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:18,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:18,787 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:18,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-29 05:01:18,789 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 [2023-11-29 05:01:18,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:18,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:18,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:18,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:18,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:18,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:01:18,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:18,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:18,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:18,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:18,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:18,804 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:18,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-29 05:01:18,806 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 [2023-11-29 05:01:18,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:18,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:18,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:18,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:18,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:18,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:18,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:18,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-29 05:01:18,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:18,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:18,826 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:18,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-29 05:01:18,830 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 [2023-11-29 05:01:18,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:18,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:18,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:18,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:18,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:18,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:18,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:18,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2023-11-29 05:01:18,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:18,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:18,852 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:18,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-29 05:01:18,854 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 [2023-11-29 05:01:18,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:18,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:18,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:18,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:18,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:18,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:01:18,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:18,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:18,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:18,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:18,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:18,871 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:18,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-29 05:01:18,874 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 [2023-11-29 05:01:18,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:18,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:18,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:18,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:18,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:18,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:18,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:18,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:18,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:18,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:18,895 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:18,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-29 05:01:18,898 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 [2023-11-29 05:01:18,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:18,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:18,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:18,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:18,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:18,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:18,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:18,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:18,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:18,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:18,918 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:18,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-29 05:01:18,920 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 [2023-11-29 05:01:18,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:18,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:18,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:18,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:18,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:18,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:18,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:18,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-11-29 05:01:18,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:18,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:18,942 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:18,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-29 05:01:18,945 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 [2023-11-29 05:01:18,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:18,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:18,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:18,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:18,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:18,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:18,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:18,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2023-11-29 05:01:18,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:18,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:18,967 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:18,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-29 05:01:18,969 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 [2023-11-29 05:01:18,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:18,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:18,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:18,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:18,981 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:18,981 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:18,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:18,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2023-11-29 05:01:18,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:18,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:18,988 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:18,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-29 05:01:18,990 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 [2023-11-29 05:01:19,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:19,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:19,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2023-11-29 05:01:19,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,009 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-29 05:01:19,011 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 [2023-11-29 05:01:19,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:19,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:19,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:19,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,034 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-29 05:01:19,037 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 [2023-11-29 05:01:19,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:19,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:01:19,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:19,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2023-11-29 05:01:19,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,055 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-29 05:01:19,058 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 [2023-11-29 05:01:19,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:19,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:19,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:19,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,075 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-29 05:01:19,078 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 [2023-11-29 05:01:19,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:19,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:01:19,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:19,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2023-11-29 05:01:19,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,092 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-29 05:01:19,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:01:19,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:19,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:01:19,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:19,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:19,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,119 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-29 05:01:19,121 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 [2023-11-29 05:01:19,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:19,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:19,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:19,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,139 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-29 05:01:19,141 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 [2023-11-29 05:01:19,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:19,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:19,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2023-11-29 05:01:19,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,159 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-29 05:01:19,161 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 [2023-11-29 05:01:19,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:19,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:19,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2023-11-29 05:01:19,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,179 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-29 05:01:19,181 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 [2023-11-29 05:01:19,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:19,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:19,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2023-11-29 05:01:19,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,201 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-29 05:01:19,203 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 [2023-11-29 05:01:19,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:19,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:19,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2023-11-29 05:01:19,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,221 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-29 05:01:19,223 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 [2023-11-29 05:01:19,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:19,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:19,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2023-11-29 05:01:19,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,242 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-29 05:01:19,244 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 [2023-11-29 05:01:19,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:19,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:19,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:19,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,263 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-29 05:01:19,266 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 [2023-11-29 05:01:19,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:19,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:19,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2023-11-29 05:01:19,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,283 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2023-11-29 05:01:19,285 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 [2023-11-29 05:01:19,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:19,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:01:19,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:19,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:19,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,300 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-29 05:01:19,303 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 [2023-11-29 05:01:19,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:19,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:19,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2023-11-29 05:01:19,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,321 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-11-29 05:01:19,325 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 [2023-11-29 05:01:19,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:19,336 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:19,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2023-11-29 05:01:19,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,342 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-29 05:01:19,344 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 [2023-11-29 05:01:19,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:19,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:01:19,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:19,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:19,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,360 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-11-29 05:01:19,362 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 [2023-11-29 05:01:19,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:19,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:19,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:19,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,379 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2023-11-29 05:01:19,381 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 [2023-11-29 05:01:19,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,391 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-29 05:01:19,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,392 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-29 05:01:19,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:19,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2023-11-29 05:01:19,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,401 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2023-11-29 05:01:19,403 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 [2023-11-29 05:01:19,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:19,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:01:19,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:19,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2023-11-29 05:01:19,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,419 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2023-11-29 05:01:19,421 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 [2023-11-29 05:01:19,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:19,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:01:19,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:19,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:19,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,436 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2023-11-29 05:01:19,438 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 [2023-11-29 05:01:19,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,449 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:19,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:19,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2023-11-29 05:01:19,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,461 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2023-11-29 05:01:19,465 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 [2023-11-29 05:01:19,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:19,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:19,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2023-11-29 05:01:19,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,484 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2023-11-29 05:01:19,486 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 [2023-11-29 05:01:19,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:19,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:01:19,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:19,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2023-11-29 05:01:19,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,502 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2023-11-29 05:01:19,504 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 [2023-11-29 05:01:19,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:01:19,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:01:19,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:01:19,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2023-11-29 05:01:19,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,519 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2023-11-29 05:01:19,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 05:01:19,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:19,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:19,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2023-11-29 05:01:19,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,541 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2023-11-29 05:01:19,543 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 [2023-11-29 05:01:19,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:01:19,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:01:19,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:01:19,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:01:19,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2023-11-29 05:01:19,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,562 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2023-11-29 05:01:19,564 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 [2023-11-29 05:01:19,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:01:19,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:01:19,574 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 05:01:19,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:01:19,578 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-29 05:01:19,578 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-29 05:01:19,590 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 05:01:19,624 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-29 05:01:19,624 INFO L444 ModelExtractionUtils]: 1 out of 11 variables were initially zero. Simplification set additionally 6 variables to zero. [2023-11-29 05:01:19,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:01:19,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:01:19,666 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:01:19,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2023-11-29 05:01:19,668 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 05:01:19,681 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2023-11-29 05:01:19,682 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 05:01:19,682 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~q_free~0) = 1*~q_free~0 Supporting invariants [1*~q_free~0 >= 0] [2023-11-29 05:01:19,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2023-11-29 05:01:19,690 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-11-29 05:01:19,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:19,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:01:19,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:01:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:19,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 05:01:19,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:01:19,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:19,939 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 [2023-11-29 05:01:19,940 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) [2023-11-29 05:01:20,143 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. [2023-11-29 05:01:20,144 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 [2023-11-29 05:01:20,144 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) [2023-11-29 05:01:20,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 517 transitions. [2023-11-29 05:01:20,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 517 transitions. Stem has 37 letters. Loop has 3 letters. [2023-11-29 05:01:20,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:01:20,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 517 transitions. Stem has 40 letters. Loop has 3 letters. [2023-11-29 05:01:20,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:01:20,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 517 transitions. Stem has 37 letters. Loop has 6 letters. [2023-11-29 05:01:20,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:01:20,150 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5337 states and 6546 transitions. [2023-11-29 05:01:20,191 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 2622 [2023-11-29 05:01:20,223 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5337 states to 4316 states and 5292 transitions. [2023-11-29 05:01:20,224 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3022 [2023-11-29 05:01:20,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3052 [2023-11-29 05:01:20,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4316 states and 5292 transitions. [2023-11-29 05:01:20,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:01:20,230 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4316 states and 5292 transitions. [2023-11-29 05:01:20,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4316 states and 5292 transitions. [2023-11-29 05:01:20,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2023-11-29 05:01:20,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4316 to 4074. [2023-11-29 05:01:20,314 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) [2023-11-29 05:01:20,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4074 states to 4074 states and 5010 transitions. [2023-11-29 05:01:20,325 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4074 states and 5010 transitions. [2023-11-29 05:01:20,325 INFO L428 stractBuchiCegarLoop]: Abstraction has 4074 states and 5010 transitions. [2023-11-29 05:01:20,325 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2023-11-29 05:01:20,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4074 states and 5010 transitions. [2023-11-29 05:01:20,336 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 2488 [2023-11-29 05:01:20,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:01:20,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:01:20,337 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] [2023-11-29 05:01:20,337 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] [2023-11-29 05:01:20,338 INFO L748 eck$LassoCheckResult]: Stem: 20312#$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; 20313#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; 20369#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; 20264#L222 assume !(1 == ~q_req_up~0); 20246#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 20247#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 20377#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 20378#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 20372#L275 assume !(0 == ~q_read_ev~0); 20373#L275-2 assume !(0 == ~q_write_ev~0); 20404#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; 20452#L65 assume !(1 == ~p_dw_pc~0); 20453#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 20450#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 20451#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; 20389#L315 assume !(0 != activate_threads_~tmp~1#1); 20390#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; 20411#L84 assume !(1 == ~c_dr_pc~0); 20412#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 20282#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 20283#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; 20213#L323 assume !(0 != activate_threads_~tmp___0~1#1); 20214#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; 20415#L293 assume !(1 == ~q_read_ev~0); 20203#L293-2 assume !(1 == ~q_write_ev~0); 20204#L298-1 assume { :end_inline_reset_delta_events } true; 20398#L419-2 assume !false; 22436#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; 22434#L364 assume !false; 22432#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; 22430#L255 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 22428#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 22426#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; 22424#L344 assume 0 != eval_~tmp___1~0#1; 22422#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; 22420#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; 22418#L128 assume !(0 == ~p_dw_pc~0); 22416#L131 assume !(1 == ~p_dw_pc~0); 22227#L139-1 [2023-11-29 05:01:20,338 INFO L750 eck$LassoCheckResult]: Loop: 22227#L139-1 assume !false; 22228#L140 assume !(0 == ~q_free~0); 22158#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; 22187#L139-1 assume !false; 22157#L140 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 22156#do_write_p_returnLabel#1 havoc do_write_p_#t~nondet6#1;assume { :end_inline_do_write_p } true; 22154#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; 21713#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; 21709#L169 assume 0 == ~c_dr_pc~0; 21705#L198-1 assume !false; 21670#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; 21667#do_read_c_returnLabel#1 havoc do_read_c_~a~0#1;assume { :end_inline_do_read_c } true; 21666#L364 assume !false; 21665#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; 21664#L255 assume !(0 == ~p_dw_st~0); 21663#L259 assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2#1 := 0; 21662#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 21661#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; 21659#L344 assume !(0 != eval_~tmp___1~0#1); 21658#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; 21655#L222-3 assume 1 == ~q_req_up~0;assume { :begin_inline_update_fifo_q } true; 21653#L35-3 assume !(0 == ~q_free~0); 21218#L35-5 assume 1 == ~q_free~0;~q_read_ev~0 := 0; 21197#L40-3 ~q_ev~0 := 0;~q_req_up~0 := 0; 21193#update_fifo_q_returnLabel#2 assume { :end_inline_update_fifo_q } true; 21189#L222-5 assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 21187#L275-3 assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1; 21185#L275-5 assume !(0 == ~q_write_ev~0); 21183#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; 21181#L65-3 assume 1 == ~p_dw_pc~0; 21178#L66-1 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; 21176#L76-1 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 21173#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; 21170#L315-3 assume 0 != activate_threads_~tmp~1#1;~p_dw_st~0 := 0; 21168#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; 21165#L84-3 assume !(1 == ~c_dr_pc~0); 21114#L84-5 is_do_read_c_triggered_~__retres1~1#1 := 0; 21112#L95-1 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 21109#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; 21106#L323-3 assume 0 != activate_threads_~tmp___0~1#1;~c_dr_st~0 := 0; 21107#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; 22221#L293-3 assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2; 22222#L293-5 assume !(1 == ~q_write_ev~0); 22448#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; 22446#L255-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 22444#L267-1 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 22442#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; 22439#L394 assume 0 != stop_simulation_~tmp~3#1;stop_simulation_~__retres2~0#1 := 0; 22438#L401 stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 22437#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; 22435#L436 assume !(0 != start_simulation_~tmp~4#1); 22433#L419-2 assume !false; 22431#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; 22429#L364 assume !false; 22427#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; 22425#L255 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 22423#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 22421#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; 22419#L344 assume 0 != eval_~tmp___1~0#1; 22417#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; 22415#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; 22413#L128 assume !(0 == ~p_dw_pc~0); 22226#L131 assume !(1 == ~p_dw_pc~0); 22227#L139-1 [2023-11-29 05:01:20,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:20,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1071076409, now seen corresponding path program 1 times [2023-11-29 05:01:20,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:20,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670978995] [2023-11-29 05:01:20,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:20,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:20,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:20,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:20,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670978995] [2023-11-29 05:01:20,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670978995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:20,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:20,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:01:20,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425300490] [2023-11-29 05:01:20,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:20,371 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:01:20,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:20,371 INFO L85 PathProgramCache]: Analyzing trace with hash 2113044932, now seen corresponding path program 1 times [2023-11-29 05:01:20,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:20,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32371892] [2023-11-29 05:01:20,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:20,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:20,403 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 05:01:20,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:20,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32371892] [2023-11-29 05:01:20,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32371892] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:20,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:20,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:01:20,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974013051] [2023-11-29 05:01:20,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:20,404 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 05:01:20,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:01:20,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:01:20,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:01:20,405 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) [2023-11-29 05:01:20,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:01:20,429 INFO L93 Difference]: Finished difference Result 3022 states and 3728 transitions. [2023-11-29 05:01:20,429 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3022 states and 3728 transitions. [2023-11-29 05:01:20,441 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 1384 [2023-11-29 05:01:20,457 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3022 states to 3022 states and 3728 transitions. [2023-11-29 05:01:20,457 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1770 [2023-11-29 05:01:20,459 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1770 [2023-11-29 05:01:20,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3022 states and 3728 transitions. [2023-11-29 05:01:20,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:01:20,459 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3022 states and 3728 transitions. [2023-11-29 05:01:20,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3022 states and 3728 transitions. [2023-11-29 05:01:20,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3022 to 2934. [2023-11-29 05:01:20,501 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) [2023-11-29 05:01:20,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2934 states and 3608 transitions. [2023-11-29 05:01:20,510 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2934 states and 3608 transitions. [2023-11-29 05:01:20,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:01:20,511 INFO L428 stractBuchiCegarLoop]: Abstraction has 2934 states and 3608 transitions. [2023-11-29 05:01:20,511 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2023-11-29 05:01:20,511 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2934 states and 3608 transitions. [2023-11-29 05:01:20,521 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 1356 [2023-11-29 05:01:20,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:01:20,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:01:20,521 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] [2023-11-29 05:01:20,521 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:01:20,522 INFO L748 eck$LassoCheckResult]: Stem: 27417#$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; 27418#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; 27470#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; 27367#L222 assume !(1 == ~q_req_up~0); 27349#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 27350#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 27480#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 27481#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 27475#L275 assume !(0 == ~q_read_ev~0); 27476#L275-2 assume !(0 == ~q_write_ev~0); 27440#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; 27441#L65 assume !(1 == ~p_dw_pc~0); 27458#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 27459#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 27408#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; 27409#L315 assume !(0 != activate_threads_~tmp~1#1); 27359#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; 27360#L84 assume !(1 == ~c_dr_pc~0); 27513#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 27572#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 27571#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; 27570#L323 assume !(0 != activate_threads_~tmp___0~1#1); 27534#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; 27514#L293 assume !(1 == ~q_read_ev~0); 27515#L293-2 assume !(1 == ~q_write_ev~0); 27496#L298-1 assume { :end_inline_reset_delta_events } true; 27497#L419-2 assume !false; 28503#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; 28502#L364 assume !false; 28501#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; 28500#L255 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 28499#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 28498#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; 28497#L344 assume 0 != eval_~tmp___1~0#1; 28488#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; 28487#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; 28486#L128 assume 0 == ~p_dw_pc~0; 28474#L139-1 assume !false; 28475#L140 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 29118#do_write_p_returnLabel#1 havoc do_write_p_#t~nondet6#1;assume { :end_inline_do_write_p } true; 28513#L349 [2023-11-29 05:01:20,522 INFO L750 eck$LassoCheckResult]: Loop: 28513#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; 28903#L368 assume !(0 != eval_~tmp___0~2#1); 28904#L364 assume !false; 29128#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; 29127#L255 assume !(0 == ~p_dw_st~0); 29125#L259 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 28839#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 29122#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; 29120#L344 assume 0 != eval_~tmp___1~0#1; 29117#L344-1 assume !(0 == ~p_dw_st~0); 28513#L349 [2023-11-29 05:01:20,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:20,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1487677052, now seen corresponding path program 1 times [2023-11-29 05:01:20,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:20,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408551803] [2023-11-29 05:01:20,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:20,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:01:20,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:01:20,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:01:20,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408551803] [2023-11-29 05:01:20,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408551803] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:01:20,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:01:20,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:01:20,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823661710] [2023-11-29 05:01:20,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:01:20,569 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 05:01:20,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:20,570 INFO L85 PathProgramCache]: Analyzing trace with hash -682996676, now seen corresponding path program 2 times [2023-11-29 05:01:20,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:20,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609592233] [2023-11-29 05:01:20,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:20,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:20,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:01:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:20,577 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:01:20,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:01:20,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:01:20,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:01:20,614 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) [2023-11-29 05:01:20,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:01:20,670 INFO L93 Difference]: Finished difference Result 3513 states and 4273 transitions. [2023-11-29 05:01:20,671 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3513 states and 4273 transitions. [2023-11-29 05:01:20,682 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 1943 [2023-11-29 05:01:20,700 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3513 states to 3511 states and 4271 transitions. [2023-11-29 05:01:20,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2315 [2023-11-29 05:01:20,702 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2315 [2023-11-29 05:01:20,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3511 states and 4271 transitions. [2023-11-29 05:01:20,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 05:01:20,703 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3511 states and 4271 transitions. [2023-11-29 05:01:20,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3511 states and 4271 transitions. [2023-11-29 05:01:20,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3511 to 3379. [2023-11-29 05:01:20,772 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) [2023-11-29 05:01:20,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3379 states to 3379 states and 4119 transitions. [2023-11-29 05:01:20,779 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3379 states and 4119 transitions. [2023-11-29 05:01:20,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:01:20,780 INFO L428 stractBuchiCegarLoop]: Abstraction has 3379 states and 4119 transitions. [2023-11-29 05:01:20,780 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2023-11-29 05:01:20,780 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3379 states and 4119 transitions. [2023-11-29 05:01:20,789 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 1815 [2023-11-29 05:01:20,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:01:20,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:01:20,790 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] [2023-11-29 05:01:20,790 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:01:20,790 INFO L748 eck$LassoCheckResult]: Stem: 33862#$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; 33863#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; 33908#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; 33818#L222 assume !(1 == ~q_req_up~0); 33802#L222-2 assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 33803#L237 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 33922#L237-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 33923#L242-1 assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 33918#L275 assume !(0 == ~q_read_ev~0); 33919#L275-2 assume !(0 == ~q_write_ev~0); 33945#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; 33987#L65 assume !(1 == ~p_dw_pc~0); 33988#L65-2 is_do_write_p_triggered_~__retres1~0#1 := 0; 33985#L76 is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; 33986#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; 33935#L315 assume !(0 != activate_threads_~tmp~1#1); 33936#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; 34002#L84 assume !(1 == ~c_dr_pc~0); 33846#L84-2 is_do_read_c_triggered_~__retres1~1#1 := 0; 33847#L95 is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; 34001#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; 34000#L323 assume !(0 != activate_threads_~tmp___0~1#1); 33972#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; 33957#L293 assume !(1 == ~q_read_ev~0); 33760#L293-2 assume !(1 == ~q_write_ev~0); 33761#L298-1 assume { :end_inline_reset_delta_events } true; 35033#L419-2 assume !false; 35032#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; 35031#L364 assume !false; 35030#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; 35029#L255 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 35028#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 35027#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; 35026#L344 assume 0 != eval_~tmp___1~0#1; 35025#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; 35024#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; 35023#L128 assume 0 == ~p_dw_pc~0; 35022#L139-1 assume !false; 35014#L140 assume !(0 == ~q_free~0); 34590#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; 35068#L139-1 assume !false; 35069#L140 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 36555#do_write_p_returnLabel#1 havoc do_write_p_#t~nondet6#1;assume { :end_inline_do_write_p } true; 35973#L349 [2023-11-29 05:01:20,790 INFO L750 eck$LassoCheckResult]: Loop: 35973#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; 35970#L368 assume !(0 != eval_~tmp___0~2#1); 35971#L364 assume !false; 36575#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; 36573#L255 assume !(0 == ~p_dw_st~0); 36566#L259 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2#1 := 1; 36560#L267 exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~2#1; 36557#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; 36553#L344 assume 0 != eval_~tmp___1~0#1; 36554#L344-1 assume !(0 == ~p_dw_st~0); 35973#L349 [2023-11-29 05:01:20,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:20,791 INFO L85 PathProgramCache]: Analyzing trace with hash -377667827, now seen corresponding path program 1 times [2023-11-29 05:01:20,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:20,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88253803] [2023-11-29 05:01:20,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:20,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:20,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:01:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:20,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:01:20,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:20,808 INFO L85 PathProgramCache]: Analyzing trace with hash -682996676, now seen corresponding path program 3 times [2023-11-29 05:01:20,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:20,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018421079] [2023-11-29 05:01:20,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:20,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:20,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:01:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:20,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:01:20,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:01:20,816 INFO L85 PathProgramCache]: Analyzing trace with hash 188558408, now seen corresponding path program 1 times [2023-11-29 05:01:20,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:01:20,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889617097] [2023-11-29 05:01:20,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:01:20,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:01:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:20,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:01:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:20,836 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:01:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:21,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:01:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:01:21,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 05:01:21 BoogieIcfgContainer [2023-11-29 05:01:21,722 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 05:01:21,722 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:01:21,722 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:01:21,723 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:01:21,723 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:01:13" (3/4) ... [2023-11-29 05:01:21,725 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-29 05:01:21,798 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:01:21,798 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:01:21,799 INFO L158 Benchmark]: Toolchain (without parser) took 9303.93ms. Allocated memory was 142.6MB in the beginning and 264.2MB in the end (delta: 121.6MB). Free memory was 98.3MB in the beginning and 193.8MB in the end (delta: -95.5MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-11-29 05:01:21,799 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:01:21,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.93ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 85.0MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 05:01:21,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.91ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:01:21,800 INFO L158 Benchmark]: Boogie Preprocessor took 49.78ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 80.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:01:21,800 INFO L158 Benchmark]: RCFGBuilder took 463.27ms. Allocated memory is still 142.6MB. Free memory was 80.3MB in the beginning and 104.6MB in the end (delta: -24.3MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-29 05:01:21,801 INFO L158 Benchmark]: BuchiAutomizer took 8389.56ms. Allocated memory was 142.6MB in the beginning and 264.2MB in the end (delta: 121.6MB). Free memory was 104.6MB in the beginning and 200.1MB in the end (delta: -95.5MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2023-11-29 05:01:21,801 INFO L158 Benchmark]: Witness Printer took 75.71ms. Allocated memory is still 264.2MB. Free memory was 200.1MB in the beginning and 193.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 05:01:21,803 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.93ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 85.0MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.91ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.78ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 80.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 463.27ms. Allocated memory is still 142.6MB. Free memory was 80.3MB in the beginning and 104.6MB in the end (delta: -24.3MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 8389.56ms. Allocated memory was 142.6MB in the beginning and 264.2MB in the end (delta: 121.6MB). Free memory was 104.6MB in the beginning and 200.1MB in the end (delta: -95.5MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Witness Printer took 75.71ms. Allocated memory is still 264.2MB. Free memory was 200.1MB in the beginning and 193.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 8.2s and 16 iterations. TraceHistogramMax:2. Analysis of lassos took 6.1s. Construction of modules took 0.3s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 12. Minimization of nondet autom 3. Automata minimization 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 1464 StatesRemovedByMinimization, 10 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, 2370 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2370 mSDsluCounter, 4629 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2435 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 377 IncrementalHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 2194 mSDtfsCounter, 377 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI4 SFLT0 conc0 concLT0 SILN2 SILU0 SILI8 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital60 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: 120ms 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, __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] [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, tmp=0] [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, __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] [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, tmp=0, tmp___0=0] [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, kernel_st=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, __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] [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, tmp___1=1] [L349] COND TRUE (int )p_dw_st == 0 [L351] tmp = __VERIFIER_nondet_int() [L353] COND TRUE \read(tmp) [L355] p_dw_st = 1 [L356] CALL do_write_p() [L128] COND TRUE (int )p_dw_pc == 0 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L139] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L141] COND FALSE !((int )q_free == 0) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L151] q_buf_0 = __VERIFIER_nondet_int() [L152] p_last_write = q_buf_0 [L153] p_num_write += 1 [L154] q_free = 0 [L155] q_req_up = 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=5, p_num_write=1, q_buf_0=5, q_ev=0, q_free=0, q_read_ev=2, q_req_up=1, q_write_ev=2] [L139] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=5, p_num_write=1, q_buf_0=5, q_ev=0, q_free=0, q_read_ev=2, q_req_up=1, q_write_ev=2] [L141] COND TRUE (int )q_free == 0 [L142] p_dw_st = 2 [L143] p_dw_pc = 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=1, p_dw_st=2, p_last_write=5, p_num_write=1, q_buf_0=5, q_ev=0, q_free=0, q_read_ev=2, q_req_up=1, q_write_ev=2] [L356] RET do_write_p() Loop: [L364] COND TRUE (int )c_dr_st == 0 [L366] tmp___0 = __VERIFIER_nondet_int() [L368] COND FALSE !(\read(tmp___0)) [L339] COND TRUE 1 [L342] CALL, EXPR exists_runnable_thread() [L252] int __retres1 ; [L255] COND FALSE !((int )p_dw_st == 0) [L259] COND TRUE (int )c_dr_st == 0 [L260] __retres1 = 1 [L268] return (__retres1); [L342] RET, EXPR exists_runnable_thread() [L342] tmp___1 = exists_runnable_thread() [L344] COND TRUE \read(tmp___1) [L349] COND FALSE !((int )p_dw_st == 0) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 364]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L25] int q_buf_0 ; [L26] int q_free ; [L27] int q_read_ev ; [L28] int q_write_ev ; [L29] int q_req_up ; [L30] int q_ev ; [L51] int p_num_write ; [L52] int p_last_write ; [L53] int p_dw_st ; [L54] int p_dw_pc ; [L55] int p_dw_i ; [L56] int c_num_read ; [L57] int c_last_read ; [L58] int c_dr_st ; [L59] int c_dr_pc ; [L60] int c_dr_i ; [L164] static int a_t ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=0, q_read_ev=0, q_req_up=0, q_write_ev=0] [L466] int __retres1 ; [L470] CALL init_model() [L452] q_free = 1 [L453] q_write_ev = 2 [L454] q_read_ev = q_write_ev [L455] p_num_write = 0 [L456] p_dw_pc = 0 [L457] p_dw_i = 1 [L458] c_num_read = 0 [L459] c_dr_pc = 0 [L460] c_dr_i = 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L470] RET init_model() [L471] CALL start_simulation() [L406] int kernel_st ; [L407] int tmp ; [L411] kernel_st = 0 [L412] CALL update_channels() [L222] COND FALSE !((int )q_req_up == 1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L412] RET update_channels() [L413] CALL init_threads() [L237] COND TRUE (int )p_dw_i == 1 [L238] p_dw_st = 0 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L242] COND TRUE (int )c_dr_i == 1 [L243] c_dr_st = 0 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L413] RET init_threads() [L414] CALL fire_delta_events() [L275] COND FALSE !((int )q_read_ev == 0) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L280] COND FALSE !((int )q_write_ev == 0) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L414] RET fire_delta_events() [L415] CALL activate_threads() [L308] int tmp ; [L309] int tmp___0 ; [L313] CALL, EXPR is_do_write_p_triggered() [L62] int __retres1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L65] COND FALSE !((int )p_dw_pc == 1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L75] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L77] return (__retres1); VAL [\result=0, __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] [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, tmp=0] [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, __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] [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, tmp=0, tmp___0=0] [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, kernel_st=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, __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] [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, tmp___1=1] [L349] COND TRUE (int )p_dw_st == 0 [L351] tmp = __VERIFIER_nondet_int() [L353] COND TRUE \read(tmp) [L355] p_dw_st = 1 [L356] CALL do_write_p() [L128] COND TRUE (int )p_dw_pc == 0 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L139] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L141] COND FALSE !((int )q_free == 0) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L151] q_buf_0 = __VERIFIER_nondet_int() [L152] p_last_write = q_buf_0 [L153] p_num_write += 1 [L154] q_free = 0 [L155] q_req_up = 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=5, p_num_write=1, q_buf_0=5, q_ev=0, q_free=0, q_read_ev=2, q_req_up=1, q_write_ev=2] [L139] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=1, p_last_write=5, p_num_write=1, q_buf_0=5, q_ev=0, q_free=0, q_read_ev=2, q_req_up=1, q_write_ev=2] [L141] COND TRUE (int )q_free == 0 [L142] p_dw_st = 2 [L143] p_dw_pc = 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=1, p_dw_st=2, p_last_write=5, p_num_write=1, q_buf_0=5, q_ev=0, q_free=0, q_read_ev=2, q_req_up=1, q_write_ev=2] [L356] RET do_write_p() Loop: [L364] COND TRUE (int )c_dr_st == 0 [L366] tmp___0 = __VERIFIER_nondet_int() [L368] COND FALSE !(\read(tmp___0)) [L339] COND TRUE 1 [L342] CALL, EXPR exists_runnable_thread() [L252] int __retres1 ; [L255] COND FALSE !((int )p_dw_st == 0) [L259] COND TRUE (int )c_dr_st == 0 [L260] __retres1 = 1 [L268] return (__retres1); [L342] RET, EXPR exists_runnable_thread() [L342] tmp___1 = exists_runnable_thread() [L344] COND TRUE \read(tmp___1) [L349] COND FALSE !((int )p_dw_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-29 05:01:21,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522e46fe-ea37-40ce-b009-6e1dded4058e/bin/uautomizer-verify-BQ2R08f2Ya/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)