./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/toy.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --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 e8a051df57e56efae0cb5613a57ca5c3282a2fa11253acd8ce156f1494498073 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:10:41,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:10:41,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:10:41,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:10:41,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:10:41,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:10:41,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:10:41,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:10:41,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:10:41,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:10:41,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:10:41,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:10:41,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:10:41,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:10:41,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:10:41,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:10:41,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:10:41,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:10:41,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:10:41,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:10:41,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:10:41,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:10:41,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:10:41,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:10:41,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:10:41,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:10:41,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:10:41,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:10:41,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:10:41,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:10:41,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:10:41,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:10:41,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:10:41,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:10:41,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:10:41,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:10:41,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:10:41,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:10:41,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:10:41,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:10:41,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:10:41,950 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:10:42,026 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:10:42,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:10:42,027 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:10:42,027 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:10:42,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:10:42,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:10:42,030 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:10:42,030 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:10:42,030 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:10:42,031 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:10:42,031 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:10:42,031 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:10:42,031 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:10:42,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:10:42,032 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:10:42,032 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:10:42,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:10:42,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:10:42,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:10:42,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:10:42,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:10:42,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:10:42,034 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:10:42,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:10:42,035 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:10:42,035 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:10:42,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:10:42,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:10:42,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:10:42,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:10:42,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:10:42,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:10:42,039 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:10:42,039 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8a051df57e56efae0cb5613a57ca5c3282a2fa11253acd8ce156f1494498073 [2021-10-28 09:10:42,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:10:42,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:10:42,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:10:42,394 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:10:42,395 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:10:42,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/systemc/toy.cil.c [2021-10-28 09:10:42,485 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/data/e331f545a/9d0b475320e1495a8ba70322e2bce6ba/FLAGfbc21dfcf [2021-10-28 09:10:43,082 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:10:43,086 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/sv-benchmarks/c/systemc/toy.cil.c [2021-10-28 09:10:43,098 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/data/e331f545a/9d0b475320e1495a8ba70322e2bce6ba/FLAGfbc21dfcf [2021-10-28 09:10:43,366 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/data/e331f545a/9d0b475320e1495a8ba70322e2bce6ba [2021-10-28 09:10:43,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:10:43,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:10:43,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:10:43,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:10:43,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:10:43,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:10:43" (1/1) ... [2021-10-28 09:10:43,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626edd30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:43, skipping insertion in model container [2021-10-28 09:10:43,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:10:43" (1/1) ... [2021-10-28 09:10:43,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:10:43,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:10:43,640 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/sv-benchmarks/c/systemc/toy.cil.c[392,405] [2021-10-28 09:10:43,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:10:43,747 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:10:43,762 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/sv-benchmarks/c/systemc/toy.cil.c[392,405] [2021-10-28 09:10:43,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:10:43,841 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:10:43,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:43 WrapperNode [2021-10-28 09:10:43,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:10:43,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:10:43,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:10:43,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:10:43,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:43" (1/1) ... [2021-10-28 09:10:43,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:43" (1/1) ... [2021-10-28 09:10:43,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:10:43,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:10:43,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:10:43,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:10:43,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:43" (1/1) ... [2021-10-28 09:10:43,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:43" (1/1) ... [2021-10-28 09:10:43,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:43" (1/1) ... [2021-10-28 09:10:43,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:43" (1/1) ... [2021-10-28 09:10:43,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:43" (1/1) ... [2021-10-28 09:10:44,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:43" (1/1) ... [2021-10-28 09:10:44,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:43" (1/1) ... [2021-10-28 09:10:44,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:10:44,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:10:44,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:10:44,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:10:44,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:43" (1/1) ... [2021-10-28 09:10:44,048 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:44,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:44,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:44,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:10:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:10:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:10:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:10:44,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:10:44,823 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:10:44,824 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-28 09:10:44,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:10:44 BoogieIcfgContainer [2021-10-28 09:10:44,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:10:44,829 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:10:44,829 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:10:44,833 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:10:44,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:10:44,835 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:10:43" (1/3) ... [2021-10-28 09:10:44,836 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fde671f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:10:44, skipping insertion in model container [2021-10-28 09:10:44,837 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:10:44,837 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:43" (2/3) ... [2021-10-28 09:10:44,837 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fde671f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:10:44, skipping insertion in model container [2021-10-28 09:10:44,838 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:10:44,838 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:10:44" (3/3) ... [2021-10-28 09:10:44,840 INFO L389 chiAutomizerObserver]: Analyzing ICFG toy.cil.c [2021-10-28 09:10:44,892 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:10:44,892 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:10:44,893 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:10:44,893 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:10:44,893 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:10:44,893 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:10:44,894 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:10:44,894 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:10:44,917 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 125 states, 124 states have (on average 1.8709677419354838) internal successors, (232), 124 states have internal predecessors, (232), 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) [2021-10-28 09:10:44,967 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-28 09:10:44,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:44,968 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:44,984 INFO L842 BuchiCegarLoop]: 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] [2021-10-28 09:10:44,984 INFO L843 BuchiCegarLoop]: 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] [2021-10-28 09:10:44,984 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:10:44,986 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 125 states, 124 states have (on average 1.8709677419354838) internal successors, (232), 124 states have internal predecessors, (232), 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) [2021-10-28 09:10:45,007 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-28 09:10:45,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:45,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:45,012 INFO L842 BuchiCegarLoop]: 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] [2021-10-28 09:10:45,013 INFO L843 BuchiCegarLoop]: 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] [2021-10-28 09:10:45,025 INFO L791 eck$LassoCheckResult]: Stem: 115#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 38#L-1true havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 73#L400true assume !(1 == ~c_req_up~0); 103#L400-2true assume !(1 == ~wl_i~0);~wl_st~0 := 2; 34#L411-1true assume !(1 == ~c1_i~0);~c1_st~0 := 2; 16#L416-1true assume 1 == ~c2_i~0;~c2_st~0 := 0; 89#L421-1true assume !(1 == ~wb_i~0);~wb_st~0 := 2; 81#L426-1true assume !(1 == ~r_i~0);~r_st~0 := 2; 6#L431-1true assume !(0 == ~e_f~0); 26#L436-1true assume !(0 == ~e_g~0); 122#L441-1true assume !(0 == ~e_e~0); 74#L446-1true assume !(0 == ~e_c~0); 67#L451-1true assume !(0 == ~e_wl~0); 92#L456-1true assume !(1 == ~wl_pc~0); 117#L468true assume !(2 == ~wl_pc~0); 14#L469true assume !(1 == ~c1_pc~0); 63#L479true assume !(1 == ~c2_pc~0); 62#L488true assume !(1 == ~wb_pc~0); 119#L497true assume !(1 == ~e_c~0); 70#L506-1true assume !(1 == ~e_e~0); 59#L511-1true assume !(1 == ~e_f~0); 39#L516-1true assume !(1 == ~e_g~0); 79#L521-1true assume !(1 == ~e_c~0); 78#L526-1true assume !(1 == ~e_wl~0); 116#L668-1true [2021-10-28 09:10:45,026 INFO L793 eck$LassoCheckResult]: Loop: 116#L668-1true assume !false; 106#L538true start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 113#L373true assume false; 18#L389true start_simulation_~kernel_st~0 := 2; 105#L544true assume !(1 == ~c_req_up~0); 5#L544-2true start_simulation_~kernel_st~0 := 3; 118#L556true assume 0 == ~e_f~0;~e_f~0 := 1; 23#L556-2true assume 0 == ~e_g~0;~e_g~0 := 1; 91#L561-1true assume !(0 == ~e_e~0); 57#L566-1true assume 0 == ~e_c~0;~e_c~0 := 1; 50#L571-1true assume 0 == ~e_wl~0;~e_wl~0 := 1; 17#L576-1true assume 1 == ~wl_pc~0; 124#L582true assume 1 == ~e_wl~0;~wl_st~0 := 0; 13#L589true assume !(1 == ~c1_pc~0); 52#L599true assume !(1 == ~c2_pc~0); 68#L608true assume !(1 == ~wb_pc~0); 58#L617true assume 1 == ~e_c~0;~r_st~0 := 0; 49#L626-1true assume 1 == ~e_e~0;~e_e~0 := 2; 53#L631-1true assume 1 == ~e_f~0;~e_f~0 := 2; 24#L636-1true assume !(1 == ~e_g~0); 80#L641-1true assume 1 == ~e_c~0;~e_c~0 := 2; 27#L646-1true assume 1 == ~e_wl~0;~e_wl~0 := 2; 65#L651-1true assume 0 == ~wl_st~0; 116#L668-1true [2021-10-28 09:10:45,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:45,032 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2021-10-28 09:10:45,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:45,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261195257] [2021-10-28 09:10:45,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:45,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:45,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:45,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:45,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261195257] [2021-10-28 09:10:45,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261195257] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:45,298 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:45,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:10:45,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848920221] [2021-10-28 09:10:45,307 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:10:45,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:45,309 INFO L85 PathProgramCache]: Analyzing trace with hash 359392569, now seen corresponding path program 1 times [2021-10-28 09:10:45,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:45,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303211855] [2021-10-28 09:10:45,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:45,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:45,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:45,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:45,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303211855] [2021-10-28 09:10:45,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303211855] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:45,332 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:45,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:10:45,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60146673] [2021-10-28 09:10:45,334 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:10:45,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:45,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:10:45,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:10:45,372 INFO L87 Difference]: Start difference. First operand has 125 states, 124 states have (on average 1.8709677419354838) internal successors, (232), 124 states have internal predecessors, (232), 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 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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) [2021-10-28 09:10:45,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:45,414 INFO L93 Difference]: Finished difference Result 125 states and 219 transitions. [2021-10-28 09:10:45,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:10:45,416 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 219 transitions. [2021-10-28 09:10:45,428 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-28 09:10:45,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 120 states and 214 transitions. [2021-10-28 09:10:45,438 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 120 [2021-10-28 09:10:45,442 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 120 [2021-10-28 09:10:45,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 214 transitions. [2021-10-28 09:10:45,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:45,446 INFO L681 BuchiCegarLoop]: Abstraction has 120 states and 214 transitions. [2021-10-28 09:10:45,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 214 transitions. [2021-10-28 09:10:45,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2021-10-28 09:10:45,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 120 states have (on average 1.7833333333333334) internal successors, (214), 119 states have internal predecessors, (214), 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) [2021-10-28 09:10:45,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 214 transitions. [2021-10-28 09:10:45,506 INFO L704 BuchiCegarLoop]: Abstraction has 120 states and 214 transitions. [2021-10-28 09:10:45,507 INFO L587 BuchiCegarLoop]: Abstraction has 120 states and 214 transitions. [2021-10-28 09:10:45,507 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:10:45,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 120 states and 214 transitions. [2021-10-28 09:10:45,511 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-28 09:10:45,512 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:45,512 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:45,515 INFO L842 BuchiCegarLoop]: 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] [2021-10-28 09:10:45,515 INFO L843 BuchiCegarLoop]: 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] [2021-10-28 09:10:45,516 INFO L791 eck$LassoCheckResult]: Stem: 377#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 329#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 330#L400 assume !(1 == ~c_req_up~0); 363#L400-2 assume !(1 == ~wl_i~0);~wl_st~0 := 2; 326#L411-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 289#L416-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 290#L421-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 369#L426-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 263#L431-1 assume !(0 == ~e_f~0); 264#L436-1 assume !(0 == ~e_g~0); 312#L441-1 assume !(0 == ~e_e~0); 364#L446-1 assume !(0 == ~e_c~0); 359#L451-1 assume !(0 == ~e_wl~0); 360#L456-1 assume !(1 == ~wl_pc~0); 367#L468 assume !(2 == ~wl_pc~0); 283#L469 assume !(1 == ~c1_pc~0); 285#L479 assume !(1 == ~c2_pc~0); 355#L488 assume !(1 == ~wb_pc~0); 356#L497 assume !(1 == ~e_c~0); 362#L506-1 assume !(1 == ~e_e~0); 353#L511-1 assume !(1 == ~e_f~0); 331#L516-1 assume !(1 == ~e_g~0); 332#L521-1 assume !(1 == ~e_c~0); 368#L526-1 assume !(1 == ~e_wl~0); 316#L668-1 [2021-10-28 09:10:45,516 INFO L793 eck$LassoCheckResult]: Loop: 316#L668-1 assume !false; 375#L538 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 288#L373 assume !false; 365#L291 assume !(0 == ~wl_st~0); 268#L295 assume !(0 == ~c1_st~0); 270#L298 assume !(0 == ~c2_st~0); 322#L301 assume !(0 == ~wb_st~0); 370#L304 assume !(0 == ~r_st~0); 297#L389 start_simulation_~kernel_st~0 := 2; 298#L544 assume !(1 == ~c_req_up~0); 261#L544-2 start_simulation_~kernel_st~0 := 3; 262#L556 assume 0 == ~e_f~0;~e_f~0 := 1; 306#L556-2 assume 0 == ~e_g~0;~e_g~0 := 1; 307#L561-1 assume !(0 == ~e_e~0); 352#L566-1 assume 0 == ~e_c~0;~e_c~0 := 1; 346#L571-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 291#L576-1 assume 1 == ~wl_pc~0; 292#L582 assume 1 == ~e_wl~0;~wl_st~0 := 0; 280#L589 assume !(1 == ~c1_pc~0); 281#L599 assume !(1 == ~c2_pc~0); 348#L608 assume !(1 == ~wb_pc~0); 338#L617 assume 1 == ~e_c~0;~r_st~0 := 0; 344#L626-1 assume 1 == ~e_e~0;~e_e~0 := 2; 345#L631-1 assume 1 == ~e_f~0;~e_f~0 := 2; 308#L636-1 assume !(1 == ~e_g~0); 309#L641-1 assume 1 == ~e_c~0;~e_c~0 := 2; 313#L646-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 314#L651-1 assume 0 == ~wl_st~0; 316#L668-1 [2021-10-28 09:10:45,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:45,517 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2021-10-28 09:10:45,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:45,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571421186] [2021-10-28 09:10:45,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:45,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:45,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:45,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:45,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571421186] [2021-10-28 09:10:45,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571421186] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:45,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:45,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:10:45,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629529275] [2021-10-28 09:10:45,639 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:10:45,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:45,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1806372813, now seen corresponding path program 1 times [2021-10-28 09:10:45,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:45,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219204042] [2021-10-28 09:10:45,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:45,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:45,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:45,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:45,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219204042] [2021-10-28 09:10:45,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219204042] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:45,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:45,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:10:45,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369382743] [2021-10-28 09:10:45,684 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:10:45,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:45,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:10:45,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:10:45,686 INFO L87 Difference]: Start difference. First operand 120 states and 214 transitions. cyclomatic complexity: 95 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-10-28 09:10:45,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:45,710 INFO L93 Difference]: Finished difference Result 120 states and 213 transitions. [2021-10-28 09:10:45,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:10:45,711 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 120 states and 213 transitions. [2021-10-28 09:10:45,713 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-28 09:10:45,716 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 120 states to 120 states and 213 transitions. [2021-10-28 09:10:45,716 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 120 [2021-10-28 09:10:45,717 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 120 [2021-10-28 09:10:45,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 213 transitions. [2021-10-28 09:10:45,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:45,718 INFO L681 BuchiCegarLoop]: Abstraction has 120 states and 213 transitions. [2021-10-28 09:10:45,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 213 transitions. [2021-10-28 09:10:45,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2021-10-28 09:10:45,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 120 states have (on average 1.775) internal successors, (213), 119 states have internal predecessors, (213), 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) [2021-10-28 09:10:45,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 213 transitions. [2021-10-28 09:10:45,729 INFO L704 BuchiCegarLoop]: Abstraction has 120 states and 213 transitions. [2021-10-28 09:10:45,729 INFO L587 BuchiCegarLoop]: Abstraction has 120 states and 213 transitions. [2021-10-28 09:10:45,729 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:10:45,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 120 states and 213 transitions. [2021-10-28 09:10:45,731 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-28 09:10:45,731 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:45,731 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:45,733 INFO L842 BuchiCegarLoop]: 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] [2021-10-28 09:10:45,733 INFO L843 BuchiCegarLoop]: 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] [2021-10-28 09:10:45,733 INFO L791 eck$LassoCheckResult]: Stem: 624#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 576#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 577#L400 assume !(1 == ~c_req_up~0); 610#L400-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 573#L411-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 536#L416-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 537#L421-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 616#L426-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 510#L431-1 assume !(0 == ~e_f~0); 511#L436-1 assume !(0 == ~e_g~0); 559#L441-1 assume !(0 == ~e_e~0); 611#L446-1 assume !(0 == ~e_c~0); 606#L451-1 assume !(0 == ~e_wl~0); 607#L456-1 assume !(1 == ~wl_pc~0); 614#L468 assume !(2 == ~wl_pc~0); 530#L469 assume !(1 == ~c1_pc~0); 532#L479 assume !(1 == ~c2_pc~0); 602#L488 assume !(1 == ~wb_pc~0); 603#L497 assume !(1 == ~e_c~0); 609#L506-1 assume !(1 == ~e_e~0); 600#L511-1 assume !(1 == ~e_f~0); 578#L516-1 assume !(1 == ~e_g~0); 579#L521-1 assume !(1 == ~e_c~0); 615#L526-1 assume !(1 == ~e_wl~0); 563#L668-1 [2021-10-28 09:10:45,734 INFO L793 eck$LassoCheckResult]: Loop: 563#L668-1 assume !false; 622#L538 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 535#L373 assume !false; 612#L291 assume !(0 == ~wl_st~0); 515#L295 assume !(0 == ~c1_st~0); 517#L298 assume !(0 == ~c2_st~0); 569#L301 assume !(0 == ~wb_st~0); 617#L304 assume !(0 == ~r_st~0); 544#L389 start_simulation_~kernel_st~0 := 2; 545#L544 assume !(1 == ~c_req_up~0); 508#L544-2 start_simulation_~kernel_st~0 := 3; 509#L556 assume 0 == ~e_f~0;~e_f~0 := 1; 553#L556-2 assume 0 == ~e_g~0;~e_g~0 := 1; 554#L561-1 assume !(0 == ~e_e~0); 599#L566-1 assume 0 == ~e_c~0;~e_c~0 := 1; 593#L571-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 538#L576-1 assume 1 == ~wl_pc~0; 539#L582 assume 1 == ~e_wl~0;~wl_st~0 := 0; 527#L589 assume !(1 == ~c1_pc~0); 528#L599 assume !(1 == ~c2_pc~0); 595#L608 assume !(1 == ~wb_pc~0); 585#L617 assume 1 == ~e_c~0;~r_st~0 := 0; 591#L626-1 assume 1 == ~e_e~0;~e_e~0 := 2; 592#L631-1 assume 1 == ~e_f~0;~e_f~0 := 2; 555#L636-1 assume !(1 == ~e_g~0); 556#L641-1 assume 1 == ~e_c~0;~e_c~0 := 2; 560#L646-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 561#L651-1 assume 0 == ~wl_st~0; 563#L668-1 [2021-10-28 09:10:45,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:45,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1738779219, now seen corresponding path program 1 times [2021-10-28 09:10:45,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:45,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700478380] [2021-10-28 09:10:45,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:45,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:45,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:45,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:45,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700478380] [2021-10-28 09:10:45,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700478380] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:45,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:45,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:10:45,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726836232] [2021-10-28 09:10:45,785 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:10:45,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:45,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1806372813, now seen corresponding path program 2 times [2021-10-28 09:10:45,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:45,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191368788] [2021-10-28 09:10:45,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:45,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:45,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:45,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:45,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191368788] [2021-10-28 09:10:45,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191368788] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:45,822 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:45,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:10:45,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506795195] [2021-10-28 09:10:45,823 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:10:45,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:45,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:10:45,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:10:45,824 INFO L87 Difference]: Start difference. First operand 120 states and 213 transitions. cyclomatic complexity: 94 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-10-28 09:10:45,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:45,846 INFO L93 Difference]: Finished difference Result 120 states and 212 transitions. [2021-10-28 09:10:45,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:10:45,852 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 120 states and 212 transitions. [2021-10-28 09:10:45,854 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-28 09:10:45,856 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 120 states to 120 states and 212 transitions. [2021-10-28 09:10:45,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 120 [2021-10-28 09:10:45,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 120 [2021-10-28 09:10:45,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 212 transitions. [2021-10-28 09:10:45,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:45,858 INFO L681 BuchiCegarLoop]: Abstraction has 120 states and 212 transitions. [2021-10-28 09:10:45,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 212 transitions. [2021-10-28 09:10:45,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2021-10-28 09:10:45,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 120 states have (on average 1.7666666666666666) internal successors, (212), 119 states have internal predecessors, (212), 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) [2021-10-28 09:10:45,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 212 transitions. [2021-10-28 09:10:45,870 INFO L704 BuchiCegarLoop]: Abstraction has 120 states and 212 transitions. [2021-10-28 09:10:45,870 INFO L587 BuchiCegarLoop]: Abstraction has 120 states and 212 transitions. [2021-10-28 09:10:45,870 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:10:45,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 120 states and 212 transitions. [2021-10-28 09:10:45,871 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-28 09:10:45,872 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:45,872 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:45,877 INFO L842 BuchiCegarLoop]: 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] [2021-10-28 09:10:45,878 INFO L843 BuchiCegarLoop]: 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] [2021-10-28 09:10:45,878 INFO L791 eck$LassoCheckResult]: Stem: 871#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 823#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 824#L400 assume !(1 == ~c_req_up~0); 857#L400-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 820#L411-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 783#L416-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 784#L421-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 863#L426-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 757#L431-1 assume !(0 == ~e_f~0); 758#L436-1 assume !(0 == ~e_g~0); 806#L441-1 assume !(0 == ~e_e~0); 858#L446-1 assume !(0 == ~e_c~0); 853#L451-1 assume !(0 == ~e_wl~0); 854#L456-1 assume !(1 == ~wl_pc~0); 861#L468 assume !(2 == ~wl_pc~0); 777#L469 assume !(1 == ~c1_pc~0); 779#L479 assume !(1 == ~c2_pc~0); 849#L488 assume !(1 == ~wb_pc~0); 850#L497 assume !(1 == ~e_c~0); 856#L506-1 assume !(1 == ~e_e~0); 847#L511-1 assume !(1 == ~e_f~0); 825#L516-1 assume !(1 == ~e_g~0); 826#L521-1 assume !(1 == ~e_c~0); 862#L526-1 assume !(1 == ~e_wl~0); 810#L668-1 [2021-10-28 09:10:45,879 INFO L793 eck$LassoCheckResult]: Loop: 810#L668-1 assume !false; 869#L538 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 782#L373 assume !false; 859#L291 assume !(0 == ~wl_st~0); 762#L295 assume !(0 == ~c1_st~0); 764#L298 assume !(0 == ~c2_st~0); 816#L301 assume !(0 == ~wb_st~0); 864#L304 assume !(0 == ~r_st~0); 791#L389 start_simulation_~kernel_st~0 := 2; 792#L544 assume !(1 == ~c_req_up~0); 755#L544-2 start_simulation_~kernel_st~0 := 3; 756#L556 assume 0 == ~e_f~0;~e_f~0 := 1; 800#L556-2 assume 0 == ~e_g~0;~e_g~0 := 1; 801#L561-1 assume !(0 == ~e_e~0); 846#L566-1 assume 0 == ~e_c~0;~e_c~0 := 1; 840#L571-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 785#L576-1 assume 1 == ~wl_pc~0; 786#L582 assume 1 == ~e_wl~0;~wl_st~0 := 0; 774#L589 assume !(1 == ~c1_pc~0); 775#L599 assume !(1 == ~c2_pc~0); 842#L608 assume !(1 == ~wb_pc~0); 832#L617 assume 1 == ~e_c~0;~r_st~0 := 0; 838#L626-1 assume 1 == ~e_e~0;~e_e~0 := 2; 839#L631-1 assume 1 == ~e_f~0;~e_f~0 := 2; 802#L636-1 assume !(1 == ~e_g~0); 803#L641-1 assume 1 == ~e_c~0;~e_c~0 := 2; 807#L646-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 808#L651-1 assume 0 == ~wl_st~0; 810#L668-1 [2021-10-28 09:10:45,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:45,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1738539627, now seen corresponding path program 1 times [2021-10-28 09:10:45,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:45,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950377637] [2021-10-28 09:10:45,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:45,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:45,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:45,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:45,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950377637] [2021-10-28 09:10:45,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950377637] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:45,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:45,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:10:45,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703686707] [2021-10-28 09:10:45,969 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:10:45,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:45,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1806372813, now seen corresponding path program 3 times [2021-10-28 09:10:45,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:45,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669950218] [2021-10-28 09:10:45,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:45,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:46,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:46,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:46,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669950218] [2021-10-28 09:10:46,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669950218] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:46,029 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:46,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:10:46,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795958499] [2021-10-28 09:10:46,030 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:10:46,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:46,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:10:46,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:10:46,032 INFO L87 Difference]: Start difference. First operand 120 states and 212 transitions. cyclomatic complexity: 93 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-10-28 09:10:46,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:46,056 INFO L93 Difference]: Finished difference Result 120 states and 211 transitions. [2021-10-28 09:10:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:10:46,067 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 120 states and 211 transitions. [2021-10-28 09:10:46,069 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-28 09:10:46,071 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 120 states to 120 states and 211 transitions. [2021-10-28 09:10:46,072 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 120 [2021-10-28 09:10:46,072 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 120 [2021-10-28 09:10:46,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 211 transitions. [2021-10-28 09:10:46,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:46,074 INFO L681 BuchiCegarLoop]: Abstraction has 120 states and 211 transitions. [2021-10-28 09:10:46,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 211 transitions. [2021-10-28 09:10:46,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2021-10-28 09:10:46,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 120 states have (on average 1.7583333333333333) internal successors, (211), 119 states have internal predecessors, (211), 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) [2021-10-28 09:10:46,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 211 transitions. [2021-10-28 09:10:46,090 INFO L704 BuchiCegarLoop]: Abstraction has 120 states and 211 transitions. [2021-10-28 09:10:46,090 INFO L587 BuchiCegarLoop]: Abstraction has 120 states and 211 transitions. [2021-10-28 09:10:46,090 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 09:10:46,090 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 120 states and 211 transitions. [2021-10-28 09:10:46,091 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-28 09:10:46,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:46,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:46,093 INFO L842 BuchiCegarLoop]: 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] [2021-10-28 09:10:46,093 INFO L843 BuchiCegarLoop]: 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] [2021-10-28 09:10:46,094 INFO L791 eck$LassoCheckResult]: Stem: 1118#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1070#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 1071#L400 assume !(1 == ~c_req_up~0); 1104#L400-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1067#L411-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1030#L416-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1031#L421-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1110#L426-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1004#L431-1 assume !(0 == ~e_f~0); 1005#L436-1 assume !(0 == ~e_g~0); 1053#L441-1 assume !(0 == ~e_e~0); 1105#L446-1 assume !(0 == ~e_c~0); 1100#L451-1 assume !(0 == ~e_wl~0); 1101#L456-1 assume !(1 == ~wl_pc~0); 1108#L468 assume !(2 == ~wl_pc~0); 1024#L469 assume !(1 == ~c1_pc~0); 1026#L479 assume !(1 == ~c2_pc~0); 1096#L488 assume !(1 == ~wb_pc~0); 1097#L497 assume !(1 == ~e_c~0); 1103#L506-1 assume !(1 == ~e_e~0); 1094#L511-1 assume !(1 == ~e_f~0); 1072#L516-1 assume !(1 == ~e_g~0); 1073#L521-1 assume !(1 == ~e_c~0); 1109#L526-1 assume !(1 == ~e_wl~0); 1057#L668-1 [2021-10-28 09:10:46,094 INFO L793 eck$LassoCheckResult]: Loop: 1057#L668-1 assume !false; 1116#L538 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 1029#L373 assume !false; 1106#L291 assume !(0 == ~wl_st~0); 1009#L295 assume !(0 == ~c1_st~0); 1011#L298 assume !(0 == ~c2_st~0); 1063#L301 assume !(0 == ~wb_st~0); 1111#L304 assume !(0 == ~r_st~0); 1038#L389 start_simulation_~kernel_st~0 := 2; 1039#L544 assume !(1 == ~c_req_up~0); 1002#L544-2 start_simulation_~kernel_st~0 := 3; 1003#L556 assume 0 == ~e_f~0;~e_f~0 := 1; 1047#L556-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1048#L561-1 assume !(0 == ~e_e~0); 1093#L566-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1087#L571-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1032#L576-1 assume 1 == ~wl_pc~0; 1033#L582 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1021#L589 assume !(1 == ~c1_pc~0); 1022#L599 assume !(1 == ~c2_pc~0); 1089#L608 assume !(1 == ~wb_pc~0); 1079#L617 assume 1 == ~e_c~0;~r_st~0 := 0; 1085#L626-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1086#L631-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1049#L636-1 assume !(1 == ~e_g~0); 1050#L641-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1054#L646-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1055#L651-1 assume 0 == ~wl_st~0; 1057#L668-1 [2021-10-28 09:10:46,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:46,095 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 1 times [2021-10-28 09:10:46,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:46,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350199030] [2021-10-28 09:10:46,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:46,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:46,130 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:46,217 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:46,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:46,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1806372813, now seen corresponding path program 4 times [2021-10-28 09:10:46,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:46,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388851063] [2021-10-28 09:10:46,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:46,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:46,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:46,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:46,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388851063] [2021-10-28 09:10:46,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388851063] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:46,323 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:46,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:10:46,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542954324] [2021-10-28 09:10:46,324 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:10:46,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:46,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:10:46,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:10:46,327 INFO L87 Difference]: Start difference. First operand 120 states and 211 transitions. cyclomatic complexity: 92 Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-10-28 09:10:46,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:46,390 INFO L93 Difference]: Finished difference Result 154 states and 273 transitions. [2021-10-28 09:10:46,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:10:46,391 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 273 transitions. [2021-10-28 09:10:46,393 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2021-10-28 09:10:46,395 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 154 states and 273 transitions. [2021-10-28 09:10:46,396 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 154 [2021-10-28 09:10:46,396 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 154 [2021-10-28 09:10:46,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 273 transitions. [2021-10-28 09:10:46,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:46,398 INFO L681 BuchiCegarLoop]: Abstraction has 154 states and 273 transitions. [2021-10-28 09:10:46,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states and 273 transitions. [2021-10-28 09:10:46,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2021-10-28 09:10:46,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 154 states have (on average 1.7727272727272727) internal successors, (273), 153 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:46,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 273 transitions. [2021-10-28 09:10:46,408 INFO L704 BuchiCegarLoop]: Abstraction has 154 states and 273 transitions. [2021-10-28 09:10:46,408 INFO L587 BuchiCegarLoop]: Abstraction has 154 states and 273 transitions. [2021-10-28 09:10:46,409 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 09:10:46,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 154 states and 273 transitions. [2021-10-28 09:10:46,410 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2021-10-28 09:10:46,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:46,411 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:46,412 INFO L842 BuchiCegarLoop]: 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] [2021-10-28 09:10:46,412 INFO L843 BuchiCegarLoop]: 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] [2021-10-28 09:10:46,413 INFO L791 eck$LassoCheckResult]: Stem: 1400#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1352#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 1353#L400 assume !(1 == ~c_req_up~0); 1386#L400-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1349#L411-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1310#L416-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1311#L421-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1392#L426-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1284#L431-1 assume !(0 == ~e_f~0); 1285#L436-1 assume 0 == ~e_g~0;~e_g~0 := 1; 1334#L441-1 assume !(0 == ~e_e~0); 1387#L446-1 assume !(0 == ~e_c~0); 1382#L451-1 assume !(0 == ~e_wl~0); 1383#L456-1 assume !(1 == ~wl_pc~0); 1390#L468 assume !(2 == ~wl_pc~0); 1304#L469 assume !(1 == ~c1_pc~0); 1306#L479 assume !(1 == ~c2_pc~0); 1378#L488 assume !(1 == ~wb_pc~0); 1379#L497 assume !(1 == ~e_c~0); 1385#L506-1 assume !(1 == ~e_e~0); 1376#L511-1 assume !(1 == ~e_f~0); 1354#L516-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1355#L521-1 assume !(1 == ~e_c~0); 1391#L526-1 assume !(1 == ~e_wl~0); 1339#L668-1 [2021-10-28 09:10:46,413 INFO L793 eck$LassoCheckResult]: Loop: 1339#L668-1 assume !false; 1398#L538 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 1309#L373 assume !false; 1388#L291 assume !(0 == ~wl_st~0); 1289#L295 assume !(0 == ~c1_st~0); 1291#L298 assume !(0 == ~c2_st~0); 1345#L301 assume !(0 == ~wb_st~0); 1393#L304 assume !(0 == ~r_st~0); 1318#L389 start_simulation_~kernel_st~0 := 2; 1319#L544 assume !(1 == ~c_req_up~0); 1282#L544-2 start_simulation_~kernel_st~0 := 3; 1283#L556 assume 0 == ~e_f~0;~e_f~0 := 1; 1327#L556-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1328#L561-1 assume !(0 == ~e_e~0); 1375#L566-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1369#L571-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1312#L576-1 assume 1 == ~wl_pc~0; 1313#L582 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1301#L589 assume !(1 == ~c1_pc~0); 1302#L599 assume !(1 == ~c2_pc~0); 1371#L608 assume !(1 == ~wb_pc~0); 1361#L617 assume 1 == ~e_c~0;~r_st~0 := 0; 1367#L626-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1368#L631-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1330#L636-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1331#L641-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1336#L646-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1337#L651-1 assume 0 == ~wl_st~0; 1339#L668-1 [2021-10-28 09:10:46,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:46,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1535466835, now seen corresponding path program 1 times [2021-10-28 09:10:46,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:46,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991053341] [2021-10-28 09:10:46,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:46,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:46,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:46,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:46,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991053341] [2021-10-28 09:10:46,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991053341] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:46,453 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:46,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:10:46,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013903388] [2021-10-28 09:10:46,453 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:10:46,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:46,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1806432395, now seen corresponding path program 1 times [2021-10-28 09:10:46,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:46,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826848397] [2021-10-28 09:10:46,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:46,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:46,461 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:46,472 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:46,972 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:10:46,973 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:10:46,973 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:10:46,973 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:10:46,973 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:10:46,973 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:46,973 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:10:46,974 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:10:46,974 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration6_Loop [2021-10-28 09:10:46,974 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:10:46,974 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:10:46,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,457 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:10:47,458 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:10:47,460 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:47,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:47,466 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:47,480 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:47,480 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:47,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:10:47,520 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:47,520 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:47,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-28 09:10:47,565 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:47,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:47,568 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:47,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:10:47,578 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:47,578 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:47,600 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:47,600 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet11=0} Honda state: {ULTIMATE.start_eval_#t~nondet11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:47,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:47,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:47,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:47,670 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:47,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:10:47,682 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:47,682 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:47,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:47,734 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:47,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:47,736 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:47,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:10:47,738 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:10:47,738 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:47,762 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:10:47,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:47,797 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:10:47,797 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:10:47,797 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:10:47,797 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:10:47,797 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:10:47,797 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:47,797 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:10:47,797 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:10:47,798 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration6_Loop [2021-10-28 09:10:47,798 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:10:47,798 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:10:47,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:47,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:48,148 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:10:48,153 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:10:48,154 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:48,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:48,162 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:48,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:48,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:48,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:48,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:48,183 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:10:48,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:48,186 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:10:48,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:48,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:10:48,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:48,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:48,248 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:48,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:48,251 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:48,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:48,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:48,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:48,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:48,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:48,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:48,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:48,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:48,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:10:48,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:48,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:48,332 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:48,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:48,333 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:48,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:48,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:48,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:48,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:48,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:48,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:48,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:48,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:48,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:10:48,377 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:10:48,382 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:10:48,382 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:10:48,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:48,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:48,385 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:48,392 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:10:48,392 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:10:48,393 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:10:48,393 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2021-10-28 09:10:48,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:10:48,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:48,441 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:10:48,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:48,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:10:48,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:48,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:10:48,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:48,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:48,946 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 09:10:48,947 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 154 states and 273 transitions. cyclomatic complexity: 120 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-10-28 09:10:49,092 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 154 states and 273 transitions. cyclomatic complexity: 120. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 480 states and 845 transitions. Complement of second has 5 states. [2021-10-28 09:10:49,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:10:49,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-10-28 09:10:49,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 366 transitions. [2021-10-28 09:10:49,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 366 transitions. Stem has 24 letters. Loop has 28 letters. [2021-10-28 09:10:49,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:49,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 366 transitions. Stem has 52 letters. Loop has 28 letters. [2021-10-28 09:10:49,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:49,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 366 transitions. Stem has 24 letters. Loop has 56 letters. [2021-10-28 09:10:49,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:49,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 480 states and 845 transitions. [2021-10-28 09:10:49,116 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 318 [2021-10-28 09:10:49,122 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 480 states to 480 states and 845 transitions. [2021-10-28 09:10:49,123 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 367 [2021-10-28 09:10:49,124 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 371 [2021-10-28 09:10:49,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 480 states and 845 transitions. [2021-10-28 09:10:49,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:10:49,130 INFO L681 BuchiCegarLoop]: Abstraction has 480 states and 845 transitions. [2021-10-28 09:10:49,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states and 845 transitions. [2021-10-28 09:10:49,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 370. [2021-10-28 09:10:49,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 370 states have (on average 1.7648648648648648) internal successors, (653), 369 states have internal predecessors, (653), 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) [2021-10-28 09:10:49,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 653 transitions. [2021-10-28 09:10:49,183 INFO L704 BuchiCegarLoop]: Abstraction has 370 states and 653 transitions. [2021-10-28 09:10:49,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:49,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:10:49,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:10:49,185 INFO L87 Difference]: Start difference. First operand 370 states and 653 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2021-10-28 09:10:49,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:49,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:49,334 INFO L93 Difference]: Finished difference Result 570 states and 982 transitions. [2021-10-28 09:10:49,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:10:49,334 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 570 states and 982 transitions. [2021-10-28 09:10:49,341 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 332 [2021-10-28 09:10:49,349 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 570 states to 570 states and 982 transitions. [2021-10-28 09:10:49,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 391 [2021-10-28 09:10:49,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 391 [2021-10-28 09:10:49,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 570 states and 982 transitions. [2021-10-28 09:10:49,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:10:49,352 INFO L681 BuchiCegarLoop]: Abstraction has 570 states and 982 transitions. [2021-10-28 09:10:49,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states and 982 transitions. [2021-10-28 09:10:49,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 542. [2021-10-28 09:10:49,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 542 states have (on average 1.7380073800738007) internal successors, (942), 541 states have internal predecessors, (942), 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) [2021-10-28 09:10:49,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 942 transitions. [2021-10-28 09:10:49,379 INFO L704 BuchiCegarLoop]: Abstraction has 542 states and 942 transitions. [2021-10-28 09:10:49,379 INFO L587 BuchiCegarLoop]: Abstraction has 542 states and 942 transitions. [2021-10-28 09:10:49,379 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 09:10:49,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 542 states and 942 transitions. [2021-10-28 09:10:49,384 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 332 [2021-10-28 09:10:49,384 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:49,384 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:49,389 INFO L842 BuchiCegarLoop]: 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] [2021-10-28 09:10:49,389 INFO L843 BuchiCegarLoop]: 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] [2021-10-28 09:10:49,389 INFO L791 eck$LassoCheckResult]: Stem: 3276#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 3164#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 3165#L400 assume !(1 == ~c_req_up~0); 3230#L400-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 3159#L411-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 3087#L416-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 3088#L421-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 3242#L426-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 3042#L431-1 assume !(0 == ~e_f~0); 3043#L436-1 assume !(0 == ~e_g~0); 3132#L441-1 assume !(0 == ~e_e~0); 3231#L446-1 assume !(0 == ~e_c~0); 3223#L451-1 assume !(0 == ~e_wl~0); 3224#L456-1 assume !(1 == ~wl_pc~0); 3235#L468 assume !(2 == ~wl_pc~0); 3078#L469 assume !(1 == ~c1_pc~0); 3080#L479 assume !(1 == ~c2_pc~0); 3218#L488 assume !(1 == ~wb_pc~0); 3219#L497 assume !(1 == ~e_c~0); 3288#L506-1 assume !(1 == ~e_e~0); 3286#L511-1 assume 1 == ~e_f~0;~e_f~0 := 2; 3284#L516-1 assume !(1 == ~e_g~0); 3167#L521-1 assume !(1 == ~e_c~0); 3236#L526-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 3237#L668-1 [2021-10-28 09:10:49,390 INFO L793 eck$LassoCheckResult]: Loop: 3237#L668-1 assume !false; 3442#L538 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 3441#L373 assume !false; 3440#L291 assume !(0 == ~wl_st~0); 3439#L295 assume !(0 == ~c1_st~0); 3438#L298 assume !(0 == ~c2_st~0); 3426#L301 assume !(0 == ~wb_st~0); 3388#L304 assume !(0 == ~r_st~0); 3101#L389 start_simulation_~kernel_st~0 := 2; 3102#L544 assume !(1 == ~c_req_up~0); 3391#L544-2 start_simulation_~kernel_st~0 := 3; 3383#L556 assume 0 == ~e_f~0;~e_f~0 := 1; 3384#L556-2 assume !(0 == ~e_g~0); 3470#L561-1 assume !(0 == ~e_e~0); 3469#L566-1 assume 0 == ~e_c~0;~e_c~0 := 1; 3468#L571-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 3467#L576-1 assume 1 == ~wl_pc~0; 3465#L582 assume 1 == ~e_wl~0;~wl_st~0 := 0; 3072#L589 assume !(1 == ~c1_pc~0); 3073#L599 assume !(1 == ~c2_pc~0); 3376#L608 assume !(1 == ~wb_pc~0); 3375#L617 assume 1 == ~e_c~0;~r_st~0 := 0; 3368#L626-1 assume 1 == ~e_e~0;~e_e~0 := 2; 3369#L631-1 assume 1 == ~e_f~0;~e_f~0 := 2; 3363#L636-1 assume !(1 == ~e_g~0); 3361#L641-1 assume 1 == ~e_c~0;~e_c~0 := 2; 3362#L646-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 3454#L651-1 assume 0 == ~wl_st~0; 3237#L668-1 [2021-10-28 09:10:49,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:49,391 INFO L85 PathProgramCache]: Analyzing trace with hash 255545495, now seen corresponding path program 1 times [2021-10-28 09:10:49,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:49,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052902407] [2021-10-28 09:10:49,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:49,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:49,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:49,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:49,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052902407] [2021-10-28 09:10:49,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052902407] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:49,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:49,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:10:49,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70812370] [2021-10-28 09:10:49,465 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:10:49,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:49,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1467526129, now seen corresponding path program 1 times [2021-10-28 09:10:49,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:49,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687186122] [2021-10-28 09:10:49,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:49,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:49,474 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:49,485 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:49,787 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:10:49,787 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:10:49,788 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:10:49,788 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:10:49,788 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:10:49,788 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:49,788 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:10:49,788 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:10:49,789 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration7_Loop [2021-10-28 09:10:49,789 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:10:49,789 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:10:49,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:49,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,216 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:10:50,217 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:10:50,217 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:50,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:50,218 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:50,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:50,224 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:50,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:10:50,237 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:50,238 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet10=0} Honda state: {ULTIMATE.start_eval_#t~nondet10=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:50,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:50,282 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:50,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:50,286 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:50,297 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:50,297 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:50,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:10:50,318 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:50,318 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:50,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:50,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:50,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:50,347 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:50,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:10:50,354 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:50,354 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:50,364 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:50,364 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet11=0} Honda state: {ULTIMATE.start_eval_#t~nondet11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:50,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:50,390 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:50,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:50,391 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:50,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:10:50,394 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:50,394 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:50,404 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:50,404 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___3~0=0} Honda state: {ULTIMATE.start_eval_~tmp___3~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:50,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:50,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:50,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:50,430 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:50,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:10:50,433 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:50,433 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:50,443 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:50,443 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet9=0} Honda state: {ULTIMATE.start_eval_#t~nondet9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:50,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:50,476 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:50,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:50,477 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:50,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:10:50,496 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:50,501 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:50,511 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:50,511 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet7=0} Honda state: {ULTIMATE.start_eval_#t~nondet7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:50,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:50,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:50,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:50,547 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:50,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:10:50,549 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:50,549 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:50,560 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:50,560 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:50,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:50,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:50,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:50,588 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:50,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:10:50,595 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:50,595 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:50,611 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:50,611 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:50,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:50,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:50,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:50,638 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:50,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:10:50,640 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:50,640 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:50,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:50,678 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:50,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:50,679 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:50,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:10:50,682 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:10:50,682 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:50,698 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:10:50,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:50,722 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:10:50,722 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:10:50,722 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:10:50,722 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:10:50,723 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:10:50,723 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:50,723 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:10:50,723 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:10:50,723 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration7_Loop [2021-10-28 09:10:50,723 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:10:50,723 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:10:50,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:50,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:51,084 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:10:51,085 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:10:51,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:51,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:51,086 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:51,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:10:51,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:51,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:51,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:51,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:51,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:51,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:51,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:51,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:51,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:51,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:51,162 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:51,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:51,166 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:51,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:10:51,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:51,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:51,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:51,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:51,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:51,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:51,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:51,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:51,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:51,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:51,247 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:51,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:51,249 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:51,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:51,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:51,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:51,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:51,263 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:10:51,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:51,267 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:10:51,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:51,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:10:51,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:51,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:51,322 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:51,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:51,325 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:51,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:51,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:51,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:51,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:51,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:51,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:51,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:51,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:51,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:10:51,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:51,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:51,396 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:51,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:51,401 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:51,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:51,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:51,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:51,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:51,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:51,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:51,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:51,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:51,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:10:51,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:51,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:51,471 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:51,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:51,472 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:51,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:51,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:51,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:51,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:51,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:51,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:51,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:51,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:51,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:10:51,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:51,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:51,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:51,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:51,544 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:51,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:51,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:51,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:51,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:51,558 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:10:51,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:51,559 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:10:51,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:51,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:10:51,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:51,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:51,612 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:51,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:51,615 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:51,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:51,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:51,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:51,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:51,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:51,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:51,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:51,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:51,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:10:51,649 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:10:51,653 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:10:51,653 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:10:51,653 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:51,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:51,656 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:51,658 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:10:51,658 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:10:51,658 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:10:51,658 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2021-10-28 09:10:51,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 09:10:51,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:51,708 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:10:51,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:51,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:10:51,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:51,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:10:51,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:52,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:52,102 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 09:10:52,102 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 542 states and 942 transitions. cyclomatic complexity: 406 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-10-28 09:10:52,152 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 542 states and 942 transitions. cyclomatic complexity: 406. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 1052 states and 1827 transitions. Complement of second has 5 states. [2021-10-28 09:10:52,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:10:52,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-10-28 09:10:52,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 362 transitions. [2021-10-28 09:10:52,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 362 transitions. Stem has 24 letters. Loop has 28 letters. [2021-10-28 09:10:52,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:52,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 362 transitions. Stem has 52 letters. Loop has 28 letters. [2021-10-28 09:10:52,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:52,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 362 transitions. Stem has 24 letters. Loop has 56 letters. [2021-10-28 09:10:52,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:52,156 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1052 states and 1827 transitions. [2021-10-28 09:10:52,170 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 664 [2021-10-28 09:10:52,183 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1052 states to 1052 states and 1827 transitions. [2021-10-28 09:10:52,183 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 706 [2021-10-28 09:10:52,184 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 712 [2021-10-28 09:10:52,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1052 states and 1827 transitions. [2021-10-28 09:10:52,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:10:52,185 INFO L681 BuchiCegarLoop]: Abstraction has 1052 states and 1827 transitions. [2021-10-28 09:10:52,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states and 1827 transitions. [2021-10-28 09:10:52,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 542. [2021-10-28 09:10:52,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 542 states have (on average 1.7380073800738007) internal successors, (942), 541 states have internal predecessors, (942), 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) [2021-10-28 09:10:52,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 942 transitions. [2021-10-28 09:10:52,207 INFO L704 BuchiCegarLoop]: Abstraction has 542 states and 942 transitions. [2021-10-28 09:10:52,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:52,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:10:52,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:10:52,208 INFO L87 Difference]: Start difference. First operand 542 states and 942 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2021-10-28 09:10:52,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:52,361 INFO L93 Difference]: Finished difference Result 968 states and 1630 transitions. [2021-10-28 09:10:52,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:10:52,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 968 states and 1630 transitions. [2021-10-28 09:10:52,372 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 534 [2021-10-28 09:10:52,383 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 968 states to 968 states and 1630 transitions. [2021-10-28 09:10:52,384 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 613 [2021-10-28 09:10:52,385 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 613 [2021-10-28 09:10:52,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 968 states and 1630 transitions. [2021-10-28 09:10:52,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:10:52,386 INFO L681 BuchiCegarLoop]: Abstraction has 968 states and 1630 transitions. [2021-10-28 09:10:52,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states and 1630 transitions. [2021-10-28 09:10:52,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 955. [2021-10-28 09:10:52,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 955 states, 955 states have (on average 1.6910994764397906) internal successors, (1615), 954 states have internal predecessors, (1615), 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) [2021-10-28 09:10:52,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:52,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1615 transitions. [2021-10-28 09:10:52,419 INFO L704 BuchiCegarLoop]: Abstraction has 955 states and 1615 transitions. [2021-10-28 09:10:52,419 INFO L587 BuchiCegarLoop]: Abstraction has 955 states and 1615 transitions. [2021-10-28 09:10:52,419 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 09:10:52,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 955 states and 1615 transitions. [2021-10-28 09:10:52,426 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 532 [2021-10-28 09:10:52,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:52,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:52,429 INFO L842 BuchiCegarLoop]: 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] [2021-10-28 09:10:52,430 INFO L843 BuchiCegarLoop]: 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] [2021-10-28 09:10:52,431 INFO L791 eck$LassoCheckResult]: Stem: 6610#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 6462#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 6463#L400 assume !(1 == ~c_req_up~0); 6540#L400-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 6455#L411-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 6456#L416-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 6575#L421-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 6576#L426-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 6335#L431-1 assume !(0 == ~e_f~0); 6336#L436-1 assume !(0 == ~e_g~0); 6620#L441-1 assume !(0 == ~e_e~0); 6621#L446-1 assume 0 == ~e_c~0;~e_c~0 := 1; 6542#L451-1 assume !(0 == ~e_wl~0); 6579#L456-1 assume !(1 == ~wl_pc~0); 6580#L468 assume !(2 == ~wl_pc~0); 6366#L469 assume !(1 == ~c1_pc~0); 6368#L479 assume !(1 == ~c2_pc~0); 6523#L488 assume !(1 == ~wb_pc~0); 6524#L497 assume !(1 == ~e_c~0); 6536#L506-1 assume !(1 == ~e_e~0); 6521#L511-1 assume !(1 == ~e_f~0); 6522#L516-1 assume 1 == ~e_g~0;~e_g~0 := 2; 6465#L521-1 assume !(1 == ~e_c~0); 6705#L526-1 assume !(1 == ~e_wl~0); 6836#L668-1 assume !false; 6837#L538 [2021-10-28 09:10:52,431 INFO L793 eck$LassoCheckResult]: Loop: 6837#L538 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 7083#L373 assume !false; 7084#L291 assume !(0 == ~wl_st~0); 6337#L295 assume !(0 == ~c1_st~0); 6339#L298 assume !(0 == ~c2_st~0); 6565#L301 assume !(0 == ~wb_st~0); 6566#L304 assume !(0 == ~r_st~0); 7160#L389 start_simulation_~kernel_st~0 := 2; 6594#L544 assume !(1 == ~c_req_up~0); 6596#L544-2 start_simulation_~kernel_st~0 := 3; 6896#L556 assume !(0 == ~e_f~0); 6897#L556-2 assume !(0 == ~e_g~0); 7158#L561-1 assume !(0 == ~e_e~0); 7156#L566-1 assume !(0 == ~e_c~0); 7154#L571-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 7152#L576-1 assume 1 == ~wl_pc~0; 7146#L582 assume 1 == ~e_wl~0;~wl_st~0 := 0; 7141#L589 assume !(1 == ~c1_pc~0); 6878#L599 assume !(1 == ~c2_pc~0); 6874#L608 assume !(1 == ~wb_pc~0); 7131#L617 assume 1 == ~e_c~0;~r_st~0 := 0; 7126#L626-1 assume 1 == ~e_e~0;~e_e~0 := 2; 7127#L631-1 assume !(1 == ~e_f~0); 6864#L636-1 assume !(1 == ~e_g~0); 6409#L641-1 assume !(1 == ~e_c~0); 7172#L646-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 7169#L651-1 assume 0 == ~wl_st~0; 7165#L668-1 assume !false; 6837#L538 [2021-10-28 09:10:52,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:52,432 INFO L85 PathProgramCache]: Analyzing trace with hash 344880704, now seen corresponding path program 1 times [2021-10-28 09:10:52,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:52,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100752198] [2021-10-28 09:10:52,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:52,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:52,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:52,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:52,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100752198] [2021-10-28 09:10:52,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100752198] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:52,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:52,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:10:52,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84661055] [2021-10-28 09:10:52,472 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:10:52,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:52,473 INFO L85 PathProgramCache]: Analyzing trace with hash 497580109, now seen corresponding path program 1 times [2021-10-28 09:10:52,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:52,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213313356] [2021-10-28 09:10:52,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:52,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:52,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:52,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:52,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213313356] [2021-10-28 09:10:52,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213313356] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:52,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:52,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:10:52,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048771184] [2021-10-28 09:10:52,494 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:10:52,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:52,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:10:52,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:10:52,495 INFO L87 Difference]: Start difference. First operand 955 states and 1615 transitions. cyclomatic complexity: 670 Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:52,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:52,588 INFO L93 Difference]: Finished difference Result 977 states and 1626 transitions. [2021-10-28 09:10:52,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:10:52,589 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 977 states and 1626 transitions. [2021-10-28 09:10:52,599 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 547 [2021-10-28 09:10:52,612 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 977 states to 977 states and 1626 transitions. [2021-10-28 09:10:52,613 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 626 [2021-10-28 09:10:52,614 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 626 [2021-10-28 09:10:52,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 977 states and 1626 transitions. [2021-10-28 09:10:52,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:10:52,614 INFO L681 BuchiCegarLoop]: Abstraction has 977 states and 1626 transitions. [2021-10-28 09:10:52,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states and 1626 transitions. [2021-10-28 09:10:52,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 894. [2021-10-28 09:10:52,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 894 states have (on average 1.6700223713646531) internal successors, (1493), 893 states have internal predecessors, (1493), 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) [2021-10-28 09:10:52,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1493 transitions. [2021-10-28 09:10:52,641 INFO L704 BuchiCegarLoop]: Abstraction has 894 states and 1493 transitions. [2021-10-28 09:10:52,641 INFO L587 BuchiCegarLoop]: Abstraction has 894 states and 1493 transitions. [2021-10-28 09:10:52,642 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 09:10:52,642 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 894 states and 1493 transitions. [2021-10-28 09:10:52,648 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 547 [2021-10-28 09:10:52,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:52,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:52,649 INFO L842 BuchiCegarLoop]: 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] [2021-10-28 09:10:52,649 INFO L843 BuchiCegarLoop]: 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] [2021-10-28 09:10:52,651 INFO L791 eck$LassoCheckResult]: Stem: 8515#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 8399#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 8400#L400 assume !(1 == ~c_req_up~0); 8467#L400-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 8392#L411-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 8393#L416-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 8490#L421-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 8491#L426-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 8271#L431-1 assume !(0 == ~e_f~0); 8272#L436-1 assume !(0 == ~e_g~0); 8521#L441-1 assume !(0 == ~e_e~0); 8468#L446-1 assume !(0 == ~e_c~0); 8460#L451-1 assume !(0 == ~e_wl~0); 8461#L456-1 assume !(1 == ~wl_pc~0); 8474#L468 assume !(2 == ~wl_pc~0); 8473#L469 assume !(1 == ~c1_pc~0); 8457#L479 assume !(1 == ~c2_pc~0); 8459#L488 assume !(1 == ~wb_pc~0); 8483#L497 assume !(1 == ~e_c~0); 8541#L506-1 assume !(1 == ~e_e~0); 8538#L511-1 assume !(1 == ~e_f~0); 8533#L516-1 assume 1 == ~e_g~0;~e_g~0 := 2; 8477#L521-1 assume !(1 == ~e_c~0); 8478#L526-1 assume !(1 == ~e_wl~0); 8726#L668-1 assume !false; 8727#L538 [2021-10-28 09:10:52,652 INFO L793 eck$LassoCheckResult]: Loop: 8727#L538 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 8941#L373 assume !false; 8942#L291 assume !(0 == ~wl_st~0); 8937#L295 assume !(0 == ~c1_st~0); 8938#L298 assume !(0 == ~c2_st~0); 8932#L301 assume !(0 == ~wb_st~0); 8934#L304 assume !(0 == ~r_st~0); 8927#L389 start_simulation_~kernel_st~0 := 2; 8928#L544 assume !(1 == ~c_req_up~0); 8267#L544-2 start_simulation_~kernel_st~0 := 3; 8268#L556 assume !(0 == ~e_f~0); 8516#L556-2 assume !(0 == ~e_g~0); 9122#L561-1 assume !(0 == ~e_e~0); 9121#L566-1 assume !(0 == ~e_c~0); 9120#L571-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 9118#L576-1 assume 1 == ~wl_pc~0; 9115#L582 assume 1 == ~e_wl~0;~wl_st~0 := 0; 9112#L589 assume !(1 == ~c1_pc~0); 9111#L599 assume !(1 == ~c2_pc~0); 9109#L608 assume !(1 == ~wb_pc~0); 9107#L617 assume !(1 == ~e_c~0); 9106#L626-1 assume 1 == ~e_e~0;~e_e~0 := 2; 9104#L631-1 assume !(1 == ~e_f~0); 9101#L636-1 assume !(1 == ~e_g~0); 8966#L641-1 assume !(1 == ~e_c~0); 9100#L646-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 9097#L651-1 assume 0 == ~wl_st~0; 9093#L668-1 assume !false; 8727#L538 [2021-10-28 09:10:52,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:52,653 INFO L85 PathProgramCache]: Analyzing trace with hash -666236546, now seen corresponding path program 1 times [2021-10-28 09:10:52,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:52,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577236236] [2021-10-28 09:10:52,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:52,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:52,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:52,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:52,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577236236] [2021-10-28 09:10:52,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577236236] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:52,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:52,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:10:52,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735503751] [2021-10-28 09:10:52,710 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:10:52,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:52,711 INFO L85 PathProgramCache]: Analyzing trace with hash -311766517, now seen corresponding path program 1 times [2021-10-28 09:10:52,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:52,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134503884] [2021-10-28 09:10:52,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:52,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:52,721 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:52,742 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:52,992 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:10:52,992 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:10:52,993 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:10:52,993 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:10:52,993 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:10:52,993 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:52,993 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:10:52,993 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:10:52,993 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration9_Loop [2021-10-28 09:10:52,993 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:10:52,993 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:10:52,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:53,372 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:10:53,372 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:10:53,373 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:53,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:53,381 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:53,384 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:53,384 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:53,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 09:10:53,410 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:53,410 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___3~0=0} Honda state: {ULTIMATE.start_eval_~tmp___3~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:53,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:53,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:53,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:53,453 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:53,455 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:53,455 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:53,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 09:10:53,478 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:53,478 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:53,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:53,515 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:53,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:53,516 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:53,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 09:10:53,526 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:53,526 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:53,536 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:53,536 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet10=0} Honda state: {ULTIMATE.start_eval_#t~nondet10=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:53,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:53,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:53,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:53,561 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:53,564 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:53,564 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:53,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 09:10:53,574 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:53,574 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp~0=0} Honda state: {ULTIMATE.start_eval_~tmp~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:53,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-28 09:10:53,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:53,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:53,599 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:53,601 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:53,602 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:53,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 09:10:53,614 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:53,614 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___2~0=0} Honda state: {ULTIMATE.start_eval_~tmp___2~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:53,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-28 09:10:53,638 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:53,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:53,639 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:53,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 09:10:53,641 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:53,641 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:53,657 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:53,657 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:53,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-28 09:10:53,682 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:53,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:53,684 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:53,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 09:10:53,685 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:53,686 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:53,702 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:53,702 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:53,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-28 09:10:53,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:53,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:53,727 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:53,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 09:10:53,731 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:53,731 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:53,747 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:53,747 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_g~0=-7} Honda state: {~e_g~0=-7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:53,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:53,772 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:53,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:53,773 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:53,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 09:10:53,775 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:53,775 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:53,790 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:10:53,791 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~wb_st~0=-1} Honda state: {~wb_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:10:53,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:53,819 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:53,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:53,820 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:53,850 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:10:53,850 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:53,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 09:10:53,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:53,939 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:53,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:53,941 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:53,943 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:10:53,943 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:10:53,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 09:10:53,998 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:10:54,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-28 09:10:54,001 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:10:54,001 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:10:54,001 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:10:54,001 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:10:54,001 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:10:54,002 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:54,002 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:10:54,002 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:10:54,002 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy.cil.c_Iteration9_Loop [2021-10-28 09:10:54,002 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:10:54,002 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:10:54,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:10:54,353 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:10:54,353 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:10:54,354 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:54,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:54,355 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:54,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 09:10:54,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:54,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:54,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:54,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:54,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:54,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:54,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:54,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:54,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:54,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:54,428 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:54,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:54,429 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:54,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:54,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:54,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:54,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:54,452 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:10:54,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:54,454 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:10:54,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:54,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 09:10:54,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:54,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-28 09:10:54,500 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:54,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:54,501 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:54,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 09:10:54,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:54,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:54,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:54,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:54,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:54,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:54,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:54,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:54,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:54,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:54,558 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:54,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:54,559 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:54,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:54,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 09:10:54,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:54,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:54,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:54,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:54,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:54,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:54,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:54,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:54,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:54,597 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:54,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:54,597 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:54,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 09:10:54,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:54,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:54,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:54,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:54,607 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:10:54,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:54,607 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:10:54,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:54,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:54,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-28 09:10:54,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:54,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:54,632 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:54,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:54,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 09:10:54,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:54,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:54,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:54,645 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:10:54,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:54,646 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:10:54,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:54,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:54,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-28 09:10:54,669 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:54,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:54,670 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:54,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:54,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:54,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:54,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:54,680 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:10:54,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:54,681 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:10:54,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:54,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 09:10:54,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:54,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:54,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:54,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:54,741 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:54,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:54,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:54,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:54,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:54,758 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:10:54,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:54,759 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:10:54,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:54,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 09:10:54,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:54,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:54,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:54,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:54,809 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:54,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:54,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:54,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:54,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:54,822 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:10:54,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:54,826 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:10:54,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:54,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 09:10:54,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:54,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:54,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:54,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:54,881 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:54,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:54,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:54,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:54,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:54,897 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:10:54,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:54,899 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:10:54,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:54,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 09:10:54,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:10:54,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:54,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:54,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:54,932 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:54,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 09:10:54,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:10:54,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:10:54,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:10:54,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:10:54,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:10:54,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:10:54,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:10:54,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:10:54,945 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:10:54,947 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:10:54,947 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:10:54,947 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:54,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:54,948 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:54,949 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:10:54,949 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:10:54,949 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:10:54,949 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_e~0) = -2*~e_e~0 + 3 Supporting invariants [] [2021-10-28 09:10:54,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 09:10:54,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:54,971 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:10:54,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:55,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:10:55,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:55,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:10:55,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:55,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:55,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:55,370 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:10:55,371 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 894 states and 1493 transitions. cyclomatic complexity: 608 Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:55,421 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 894 states and 1493 transitions. cyclomatic complexity: 608. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2509 states and 4176 transitions. Complement of second has 5 states. [2021-10-28 09:10:55,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:10:55,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:55,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 199 transitions. [2021-10-28 09:10:55,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 199 transitions. Stem has 25 letters. Loop has 28 letters. [2021-10-28 09:10:55,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:55,424 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 199 transitions. Stem has 53 letters. Loop has 28 letters. [2021-10-28 09:10:55,425 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:55,425 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 199 transitions. Stem has 25 letters. Loop has 56 letters. [2021-10-28 09:10:55,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:10:55,426 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2509 states and 4176 transitions. [2021-10-28 09:10:55,455 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 1064 [2021-10-28 09:10:55,482 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2509 states to 2509 states and 4176 transitions. [2021-10-28 09:10:55,482 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1144 [2021-10-28 09:10:55,484 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1165 [2021-10-28 09:10:55,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2509 states and 4176 transitions. [2021-10-28 09:10:55,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:10:55,485 INFO L681 BuchiCegarLoop]: Abstraction has 2509 states and 4176 transitions. [2021-10-28 09:10:55,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2509 states and 4176 transitions. [2021-10-28 09:10:55,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2509 to 2488. [2021-10-28 09:10:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2488 states, 2488 states have (on average 1.6643890675241158) internal successors, (4141), 2487 states have internal predecessors, (4141), 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) [2021-10-28 09:10:55,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2488 states and 4141 transitions. [2021-10-28 09:10:55,559 INFO L704 BuchiCegarLoop]: Abstraction has 2488 states and 4141 transitions. [2021-10-28 09:10:55,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:55,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:10:55,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:10:55,560 INFO L87 Difference]: Start difference. First operand 2488 states and 4141 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:55,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:55,662 INFO L93 Difference]: Finished difference Result 3187 states and 5219 transitions. [2021-10-28 09:10:55,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:10:55,663 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3187 states and 5219 transitions. [2021-10-28 09:10:55,694 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 1227 [2021-10-28 09:10:55,727 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3187 states to 3187 states and 5219 transitions. [2021-10-28 09:10:55,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1291 [2021-10-28 09:10:55,729 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1291 [2021-10-28 09:10:55,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3187 states and 5219 transitions. [2021-10-28 09:10:55,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:10:55,731 INFO L681 BuchiCegarLoop]: Abstraction has 3187 states and 5219 transitions. [2021-10-28 09:10:55,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3187 states and 5219 transitions. [2021-10-28 09:10:55,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3187 to 3187. [2021-10-28 09:10:55,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3187 states, 3187 states have (on average 1.6375902102290556) internal successors, (5219), 3186 states have internal predecessors, (5219), 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) [2021-10-28 09:10:55,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3187 states to 3187 states and 5219 transitions. [2021-10-28 09:10:55,808 INFO L704 BuchiCegarLoop]: Abstraction has 3187 states and 5219 transitions. [2021-10-28 09:10:55,808 INFO L587 BuchiCegarLoop]: Abstraction has 3187 states and 5219 transitions. [2021-10-28 09:10:55,808 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 09:10:55,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3187 states and 5219 transitions. [2021-10-28 09:10:55,827 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 1227 [2021-10-28 09:10:55,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:55,827 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:55,828 INFO L842 BuchiCegarLoop]: 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] [2021-10-28 09:10:55,828 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:55,828 INFO L791 eck$LassoCheckResult]: Stem: 17770#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 17658#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 17659#L400 assume !(1 == ~c_req_up~0); 17727#L400-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 17654#L411-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 17584#L416-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 17585#L421-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 17740#L426-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 17741#L431-1 assume !(0 == ~e_f~0); 17623#L436-1 assume !(0 == ~e_g~0); 17624#L441-1 assume !(0 == ~e_e~0); 17787#L446-1 assume !(0 == ~e_c~0); 17786#L451-1 assume !(0 == ~e_wl~0); 17753#L456-1 assume !(1 == ~wl_pc~0); 17733#L468 assume !(2 == ~wl_pc~0); 17732#L469 assume !(1 == ~c1_pc~0); 17781#L479 assume !(1 == ~c2_pc~0); 17711#L488 assume !(1 == ~wb_pc~0); 17712#L497 assume !(1 == ~e_c~0); 17778#L506-1 assume !(1 == ~e_e~0); 17709#L511-1 assume !(1 == ~e_f~0); 17710#L516-1 assume !(1 == ~e_g~0); 17736#L521-1 assume !(1 == ~e_c~0); 17737#L526-1 assume !(1 == ~e_wl~0); 17859#L668-1 assume !false; 17860#L538 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 18003#L373 [2021-10-28 09:10:55,829 INFO L793 eck$LassoCheckResult]: Loop: 18003#L373 assume !false; 19067#L291 assume 0 == ~wl_st~0; 19059#L304-1 assume !(0 == ~wl_st~0); 19058#L313 assume !(0 == ~c1_st~0); 19100#L328 assume !(0 == ~c2_st~0); 19084#L343 assume !(0 == ~wb_st~0); 19080#L358 assume !(0 == ~r_st~0); 18003#L373 [2021-10-28 09:10:55,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:55,829 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 1 times [2021-10-28 09:10:55,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:55,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007579772] [2021-10-28 09:10:55,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:55,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:55,840 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:55,856 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:55,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:55,857 INFO L85 PathProgramCache]: Analyzing trace with hash 117964263, now seen corresponding path program 1 times [2021-10-28 09:10:55,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:55,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099099499] [2021-10-28 09:10:55,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:55,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:55,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:55,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:55,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099099499] [2021-10-28 09:10:55,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099099499] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:55,869 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:55,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:10:55,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664449535] [2021-10-28 09:10:55,870 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:10:55,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:55,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:10:55,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:10:55,871 INFO L87 Difference]: Start difference. First operand 3187 states and 5219 transitions. cyclomatic complexity: 2068 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:55,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:55,949 INFO L93 Difference]: Finished difference Result 4973 states and 7999 transitions. [2021-10-28 09:10:55,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:10:55,949 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4973 states and 7999 transitions. [2021-10-28 09:10:55,987 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 1926 [2021-10-28 09:10:56,036 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4973 states to 4973 states and 7999 transitions. [2021-10-28 09:10:56,036 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1992 [2021-10-28 09:10:56,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1992 [2021-10-28 09:10:56,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4973 states and 7999 transitions. [2021-10-28 09:10:56,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:10:56,040 INFO L681 BuchiCegarLoop]: Abstraction has 4973 states and 7999 transitions. [2021-10-28 09:10:56,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4973 states and 7999 transitions. [2021-10-28 09:10:56,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4973 to 4973. [2021-10-28 09:10:56,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4973 states, 4973 states have (on average 1.6084858234466117) internal successors, (7999), 4972 states have internal predecessors, (7999), 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) [2021-10-28 09:10:56,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4973 states to 4973 states and 7999 transitions. [2021-10-28 09:10:56,175 INFO L704 BuchiCegarLoop]: Abstraction has 4973 states and 7999 transitions. [2021-10-28 09:10:56,175 INFO L587 BuchiCegarLoop]: Abstraction has 4973 states and 7999 transitions. [2021-10-28 09:10:56,175 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-28 09:10:56,176 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4973 states and 7999 transitions. [2021-10-28 09:10:56,197 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 1926 [2021-10-28 09:10:56,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:56,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:56,198 INFO L842 BuchiCegarLoop]: 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] [2021-10-28 09:10:56,199 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:56,199 INFO L791 eck$LassoCheckResult]: Stem: 25962#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 25827#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 25828#L400 assume !(1 == ~c_req_up~0); 25907#L400-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 25986#L411-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 25744#L416-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 25745#L421-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 25919#L426-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 25920#L431-1 assume !(0 == ~e_f~0); 25792#L436-1 assume !(0 == ~e_g~0); 25793#L441-1 assume !(0 == ~e_e~0); 25985#L446-1 assume !(0 == ~e_c~0); 25984#L451-1 assume !(0 == ~e_wl~0); 25933#L456-1 assume !(1 == ~wl_pc~0); 25915#L468 assume !(2 == ~wl_pc~0); 25914#L469 assume !(1 == ~c1_pc~0); 25979#L479 assume !(1 == ~c2_pc~0); 25887#L488 assume !(1 == ~wb_pc~0); 25888#L497 assume !(1 == ~e_c~0); 25976#L506-1 assume !(1 == ~e_e~0); 25885#L511-1 assume !(1 == ~e_f~0); 25886#L516-1 assume !(1 == ~e_g~0); 25918#L521-1 assume !(1 == ~e_c~0); 25916#L526-1 assume !(1 == ~e_wl~0); 25917#L668-1 assume !false; 27889#L538 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 28608#L373 [2021-10-28 09:10:56,199 INFO L793 eck$LassoCheckResult]: Loop: 28608#L373 assume !false; 29661#L291 assume 0 == ~wl_st~0; 29505#L304-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet7;havoc eval_#t~nondet7; 29641#L317 assume !(0 != eval_~tmp~0); 29655#L313 assume !(0 == ~c1_st~0); 29682#L328 assume !(0 == ~c2_st~0); 29672#L343 assume !(0 == ~wb_st~0); 29665#L358 assume !(0 == ~r_st~0); 28608#L373 [2021-10-28 09:10:56,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:56,200 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 2 times [2021-10-28 09:10:56,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:56,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035486418] [2021-10-28 09:10:56,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:56,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:56,211 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:56,227 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:56,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:56,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1280783410, now seen corresponding path program 1 times [2021-10-28 09:10:56,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:56,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370455372] [2021-10-28 09:10:56,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:56,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:56,233 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:56,237 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:56,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:56,238 INFO L85 PathProgramCache]: Analyzing trace with hash 361828906, now seen corresponding path program 1 times [2021-10-28 09:10:56,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:56,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218292306] [2021-10-28 09:10:56,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:56,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:56,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:56,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:56,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218292306] [2021-10-28 09:10:56,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218292306] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:56,268 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:56,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:10:56,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721734614] [2021-10-28 09:10:56,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:56,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:10:56,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:10:56,321 INFO L87 Difference]: Start difference. First operand 4973 states and 7999 transitions. cyclomatic complexity: 3062 Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2021-10-28 09:10:56,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:56,402 INFO L93 Difference]: Finished difference Result 7644 states and 12212 transitions. [2021-10-28 09:10:56,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:10:56,403 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7644 states and 12212 transitions. [2021-10-28 09:10:56,505 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 2986 [2021-10-28 09:10:56,596 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7644 states to 7644 states and 12212 transitions. [2021-10-28 09:10:56,597 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3054 [2021-10-28 09:10:56,601 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3054 [2021-10-28 09:10:56,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7644 states and 12212 transitions. [2021-10-28 09:10:56,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:10:56,604 INFO L681 BuchiCegarLoop]: Abstraction has 7644 states and 12212 transitions. [2021-10-28 09:10:56,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7644 states and 12212 transitions. [2021-10-28 09:10:56,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7644 to 7644. [2021-10-28 09:10:56,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7644 states, 7644 states have (on average 1.597592883307169) internal successors, (12212), 7643 states have internal predecessors, (12212), 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) [2021-10-28 09:10:56,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7644 states to 7644 states and 12212 transitions. [2021-10-28 09:10:56,795 INFO L704 BuchiCegarLoop]: Abstraction has 7644 states and 12212 transitions. [2021-10-28 09:10:56,795 INFO L587 BuchiCegarLoop]: Abstraction has 7644 states and 12212 transitions. [2021-10-28 09:10:56,795 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-28 09:10:56,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7644 states and 12212 transitions. [2021-10-28 09:10:56,879 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 2986 [2021-10-28 09:10:56,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:56,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:56,880 INFO L842 BuchiCegarLoop]: 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] [2021-10-28 09:10:56,880 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:56,880 INFO L791 eck$LassoCheckResult]: Stem: 38580#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 38453#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 38454#L400 assume !(1 == ~c_req_up~0); 38533#L400-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 38449#L411-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 38373#L416-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 38374#L421-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 38549#L426-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 38550#L431-1 assume !(0 == ~e_f~0); 38413#L436-1 assume !(0 == ~e_g~0); 38414#L441-1 assume !(0 == ~e_e~0); 38599#L446-1 assume !(0 == ~e_c~0); 38598#L451-1 assume !(0 == ~e_wl~0); 38561#L456-1 assume !(1 == ~wl_pc~0); 38543#L468 assume !(2 == ~wl_pc~0); 38542#L469 assume !(1 == ~c1_pc~0); 38593#L479 assume !(1 == ~c2_pc~0); 38514#L488 assume !(1 == ~wb_pc~0); 38515#L497 assume !(1 == ~e_c~0); 38590#L506-1 assume !(1 == ~e_e~0); 38512#L511-1 assume !(1 == ~e_f~0); 38513#L516-1 assume !(1 == ~e_g~0); 38546#L521-1 assume !(1 == ~e_c~0); 38547#L526-1 assume !(1 == ~e_wl~0); 39891#L668-1 assume !false; 39892#L538 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 43473#L373 [2021-10-28 09:10:56,881 INFO L793 eck$LassoCheckResult]: Loop: 43473#L373 assume !false; 43646#L291 assume 0 == ~wl_st~0; 43587#L304-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet7;havoc eval_#t~nondet7; 43581#L317 assume !(0 != eval_~tmp~0); 43593#L313 assume 0 == ~c1_st~0;eval_~tmp___0~0 := eval_#t~nondet8;havoc eval_#t~nondet8; 43225#L332 assume !(0 != eval_~tmp___0~0); 43703#L328 assume !(0 == ~c2_st~0); 43669#L343 assume !(0 == ~wb_st~0); 43665#L358 assume !(0 == ~r_st~0); 43473#L373 [2021-10-28 09:10:56,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:56,882 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 3 times [2021-10-28 09:10:56,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:56,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717492488] [2021-10-28 09:10:56,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:56,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:56,893 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:56,909 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:56,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:56,912 INFO L85 PathProgramCache]: Analyzing trace with hash 998807808, now seen corresponding path program 1 times [2021-10-28 09:10:56,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:56,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867531945] [2021-10-28 09:10:56,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:56,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:56,917 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:56,922 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:56,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:56,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1718978040, now seen corresponding path program 1 times [2021-10-28 09:10:56,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:56,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515218371] [2021-10-28 09:10:56,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:56,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:56,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:56,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:56,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515218371] [2021-10-28 09:10:56,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515218371] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:56,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:56,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:10:56,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275446183] [2021-10-28 09:10:57,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:57,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:10:57,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:10:57,030 INFO L87 Difference]: Start difference. First operand 7644 states and 12212 transitions. cyclomatic complexity: 4604 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:57,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:57,118 INFO L93 Difference]: Finished difference Result 12085 states and 19155 transitions. [2021-10-28 09:10:57,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:10:57,119 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12085 states and 19155 transitions. [2021-10-28 09:10:57,267 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 4738 [2021-10-28 09:10:57,341 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12085 states to 12085 states and 19155 transitions. [2021-10-28 09:10:57,342 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4860 [2021-10-28 09:10:57,350 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4860 [2021-10-28 09:10:57,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12085 states and 19155 transitions. [2021-10-28 09:10:57,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:10:57,355 INFO L681 BuchiCegarLoop]: Abstraction has 12085 states and 19155 transitions. [2021-10-28 09:10:57,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12085 states and 19155 transitions. [2021-10-28 09:10:57,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12085 to 12085. [2021-10-28 09:10:57,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12085 states, 12085 states have (on average 1.5850227554820024) internal successors, (19155), 12084 states have internal predecessors, (19155), 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) [2021-10-28 09:10:57,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12085 states to 12085 states and 19155 transitions. [2021-10-28 09:10:57,801 INFO L704 BuchiCegarLoop]: Abstraction has 12085 states and 19155 transitions. [2021-10-28 09:10:57,801 INFO L587 BuchiCegarLoop]: Abstraction has 12085 states and 19155 transitions. [2021-10-28 09:10:57,801 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-28 09:10:57,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12085 states and 19155 transitions. [2021-10-28 09:10:57,863 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 4738 [2021-10-28 09:10:57,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:57,863 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:57,864 INFO L842 BuchiCegarLoop]: 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] [2021-10-28 09:10:57,864 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:57,865 INFO L791 eck$LassoCheckResult]: Stem: 58355#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 58191#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 58192#L400 assume !(1 == ~c_req_up~0); 58280#L400-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 58185#L411-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 58186#L416-1 assume !(1 == ~c2_i~0);~c2_st~0 := 2; 58314#L421-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 58315#L426-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 58066#L431-1 assume !(0 == ~e_f~0); 58067#L436-1 assume !(0 == ~e_g~0); 58363#L441-1 assume !(0 == ~e_e~0); 58364#L446-1 assume !(0 == ~e_c~0); 58269#L451-1 assume !(0 == ~e_wl~0); 58270#L456-1 assume !(1 == ~wl_pc~0); 58383#L468 assume !(2 == ~wl_pc~0); 58382#L469 assume !(1 == ~c1_pc~0); 58258#L479 assume !(1 == ~c2_pc~0); 58260#L488 assume !(1 == ~wb_pc~0); 60889#L497 assume !(1 == ~e_c~0); 60888#L506-1 assume !(1 == ~e_e~0); 60887#L511-1 assume !(1 == ~e_f~0); 60886#L516-1 assume !(1 == ~e_g~0); 60885#L521-1 assume !(1 == ~e_c~0); 60884#L526-1 assume !(1 == ~e_wl~0); 60882#L668-1 assume !false; 60883#L538 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 65866#L373 [2021-10-28 09:10:57,865 INFO L793 eck$LassoCheckResult]: Loop: 65866#L373 assume !false; 65864#L291 assume 0 == ~wl_st~0; 65774#L304-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet7;havoc eval_#t~nondet7; 65771#L317 assume !(0 != eval_~tmp~0); 65862#L313 assume 0 == ~c1_st~0;eval_~tmp___0~0 := eval_#t~nondet8;havoc eval_#t~nondet8; 65885#L332 assume !(0 != eval_~tmp___0~0); 65883#L328 assume !(0 == ~c2_st~0); 65875#L343 assume !(0 == ~wb_st~0); 65871#L358 assume !(0 == ~r_st~0); 65866#L373 [2021-10-28 09:10:57,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:57,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1246052603, now seen corresponding path program 1 times [2021-10-28 09:10:57,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:57,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433858684] [2021-10-28 09:10:57,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:57,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:57,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:57,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:57,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433858684] [2021-10-28 09:10:57,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433858684] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:57,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:57,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:10:57,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328715618] [2021-10-28 09:10:57,998 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:10:57,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:57,999 INFO L85 PathProgramCache]: Analyzing trace with hash 998807808, now seen corresponding path program 2 times [2021-10-28 09:10:57,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:57,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399475880] [2021-10-28 09:10:58,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:58,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:58,005 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:58,012 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:58,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:58,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:10:58,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:10:58,072 INFO L87 Difference]: Start difference. First operand 12085 states and 19155 transitions. cyclomatic complexity: 7106 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) [2021-10-28 09:10:58,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:58,138 INFO L93 Difference]: Finished difference Result 12033 states and 19068 transitions. [2021-10-28 09:10:58,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:10:58,140 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12033 states and 19068 transitions. [2021-10-28 09:10:58,266 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 4738 [2021-10-28 09:10:58,326 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12033 states to 12033 states and 19068 transitions. [2021-10-28 09:10:58,327 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4810 [2021-10-28 09:10:58,334 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4810 [2021-10-28 09:10:58,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12033 states and 19068 transitions. [2021-10-28 09:10:58,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:10:58,335 INFO L681 BuchiCegarLoop]: Abstraction has 12033 states and 19068 transitions. [2021-10-28 09:10:58,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12033 states and 19068 transitions. [2021-10-28 09:10:58,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12033 to 12033. [2021-10-28 09:10:58,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12033 states, 12033 states have (on average 1.5846422338568935) internal successors, (19068), 12032 states have internal predecessors, (19068), 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) [2021-10-28 09:10:58,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12033 states to 12033 states and 19068 transitions. [2021-10-28 09:10:58,659 INFO L704 BuchiCegarLoop]: Abstraction has 12033 states and 19068 transitions. [2021-10-28 09:10:58,659 INFO L587 BuchiCegarLoop]: Abstraction has 12033 states and 19068 transitions. [2021-10-28 09:10:58,659 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-28 09:10:58,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12033 states and 19068 transitions. [2021-10-28 09:10:58,721 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 4738 [2021-10-28 09:10:58,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:58,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:58,722 INFO L842 BuchiCegarLoop]: 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] [2021-10-28 09:10:58,722 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:58,723 INFO L791 eck$LassoCheckResult]: Stem: 82481#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 82320#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 82321#L400 assume !(1 == ~c_req_up~0); 82410#L400-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 82460#L411-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 82228#L416-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 82229#L421-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 82427#L426-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 82428#L431-1 assume !(0 == ~e_f~0); 82274#L436-1 assume !(0 == ~e_g~0); 82275#L441-1 assume !(0 == ~e_e~0); 82503#L446-1 assume !(0 == ~e_c~0); 82502#L451-1 assume !(0 == ~e_wl~0); 82447#L456-1 assume !(1 == ~wl_pc~0); 82423#L468 assume !(2 == ~wl_pc~0); 82422#L469 assume !(1 == ~c1_pc~0); 82497#L479 assume !(1 == ~c2_pc~0); 82386#L488 assume !(1 == ~wb_pc~0); 82387#L497 assume !(1 == ~e_c~0); 82494#L506-1 assume !(1 == ~e_e~0); 82384#L511-1 assume !(1 == ~e_f~0); 82385#L516-1 assume !(1 == ~e_g~0); 82426#L521-1 assume !(1 == ~e_c~0); 82424#L526-1 assume !(1 == ~e_wl~0); 82425#L668-1 assume !false; 85530#L538 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 87949#L373 [2021-10-28 09:10:58,723 INFO L793 eck$LassoCheckResult]: Loop: 87949#L373 assume !false; 91065#L291 assume 0 == ~wl_st~0; 91063#L304-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet7;havoc eval_#t~nondet7; 91010#L317 assume !(0 != eval_~tmp~0); 91057#L313 assume 0 == ~c1_st~0;eval_~tmp___0~0 := eval_#t~nondet8;havoc eval_#t~nondet8; 91355#L332 assume !(0 != eval_~tmp___0~0); 91107#L328 assume 0 == ~c2_st~0;eval_~tmp___1~0 := eval_#t~nondet9;havoc eval_#t~nondet9; 91103#L347 assume !(0 != eval_~tmp___1~0); 91100#L343 assume !(0 == ~wb_st~0); 91097#L358 assume !(0 == ~r_st~0); 87949#L373 [2021-10-28 09:10:58,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:58,724 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 4 times [2021-10-28 09:10:58,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:58,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785953185] [2021-10-28 09:10:58,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:58,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:58,747 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:58,776 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:58,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:58,777 INFO L85 PathProgramCache]: Analyzing trace with hash 896651005, now seen corresponding path program 1 times [2021-10-28 09:10:58,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:58,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373661718] [2021-10-28 09:10:58,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:58,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:58,784 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:58,789 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:58,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:58,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1750331659, now seen corresponding path program 1 times [2021-10-28 09:10:58,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:58,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026785235] [2021-10-28 09:10:58,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:58,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:58,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:58,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:58,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026785235] [2021-10-28 09:10:58,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026785235] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:58,851 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:58,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:10:58,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513494596] [2021-10-28 09:10:58,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:58,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:10:58,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:10:58,933 INFO L87 Difference]: Start difference. First operand 12033 states and 19068 transitions. cyclomatic complexity: 7071 Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 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) [2021-10-28 09:10:59,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:59,161 INFO L93 Difference]: Finished difference Result 18669 states and 29460 transitions. [2021-10-28 09:10:59,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:10:59,161 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18669 states and 29460 transitions. [2021-10-28 09:10:59,255 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 7424 [2021-10-28 09:10:59,348 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18669 states to 18669 states and 29460 transitions. [2021-10-28 09:10:59,348 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7496 [2021-10-28 09:10:59,356 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7496 [2021-10-28 09:10:59,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18669 states and 29460 transitions. [2021-10-28 09:10:59,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:10:59,371 INFO L681 BuchiCegarLoop]: Abstraction has 18669 states and 29460 transitions. [2021-10-28 09:10:59,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18669 states and 29460 transitions. [2021-10-28 09:10:59,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18669 to 18549. [2021-10-28 09:10:59,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18549 states, 18549 states have (on average 1.581756428918001) internal successors, (29340), 18548 states have internal predecessors, (29340), 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) [2021-10-28 09:10:59,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18549 states to 18549 states and 29340 transitions. [2021-10-28 09:10:59,807 INFO L704 BuchiCegarLoop]: Abstraction has 18549 states and 29340 transitions. [2021-10-28 09:10:59,808 INFO L587 BuchiCegarLoop]: Abstraction has 18549 states and 29340 transitions. [2021-10-28 09:10:59,808 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-28 09:10:59,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18549 states and 29340 transitions. [2021-10-28 09:10:59,927 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 7376 [2021-10-28 09:10:59,927 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:59,927 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:59,927 INFO L842 BuchiCegarLoop]: 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] [2021-10-28 09:10:59,927 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:59,928 INFO L791 eck$LassoCheckResult]: Stem: 113185#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 113028#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 113029#L400 assume !(1 == ~c_req_up~0); 113112#L400-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 113021#L411-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 112945#L416-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 112946#L421-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 113128#L426-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 113129#L431-1 assume !(0 == ~e_f~0); 112986#L436-1 assume !(0 == ~e_g~0); 112987#L441-1 assume !(0 == ~e_e~0); 113206#L446-1 assume !(0 == ~e_c~0); 113205#L451-1 assume !(0 == ~e_wl~0); 113147#L456-1 assume !(1 == ~wl_pc~0); 113122#L468 assume !(2 == ~wl_pc~0); 113121#L469 assume !(1 == ~c1_pc~0); 113200#L479 assume !(1 == ~c2_pc~0); 113088#L488 assume !(1 == ~wb_pc~0); 113089#L497 assume !(1 == ~e_c~0); 113197#L506-1 assume !(1 == ~e_e~0); 113086#L511-1 assume !(1 == ~e_f~0); 113087#L516-1 assume !(1 == ~e_g~0); 113125#L521-1 assume !(1 == ~e_c~0); 113126#L526-1 assume !(1 == ~e_wl~0); 118221#L668-1 assume !false; 118222#L538 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 124261#L373 [2021-10-28 09:10:59,928 INFO L793 eck$LassoCheckResult]: Loop: 124261#L373 assume !false; 125942#L291 assume 0 == ~wl_st~0; 125940#L304-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet7;havoc eval_#t~nondet7; 124456#L317 assume !(0 != eval_~tmp~0); 125544#L313 assume 0 == ~c1_st~0;eval_~tmp___0~0 := eval_#t~nondet8;havoc eval_#t~nondet8; 125542#L332 assume !(0 != eval_~tmp___0~0); 125537#L328 assume 0 == ~c2_st~0;eval_~tmp___1~0 := eval_#t~nondet9;havoc eval_#t~nondet9; 125526#L347 assume !(0 != eval_~tmp___1~0); 125535#L343 assume 0 == ~wb_st~0;eval_~tmp___2~0 := eval_#t~nondet10;havoc eval_#t~nondet10; 125762#L362 assume !(0 != eval_~tmp___2~0); 125775#L358 assume !(0 == ~r_st~0); 124261#L373 [2021-10-28 09:10:59,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:59,928 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 5 times [2021-10-28 09:10:59,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:59,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962978997] [2021-10-28 09:10:59,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:59,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:59,937 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:59,948 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:59,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:59,949 INFO L85 PathProgramCache]: Analyzing trace with hash 2026342965, now seen corresponding path program 1 times [2021-10-28 09:10:59,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:59,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103198542] [2021-10-28 09:10:59,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:59,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:59,953 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:59,957 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:59,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:59,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1574259005, now seen corresponding path program 1 times [2021-10-28 09:10:59,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:59,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603767568] [2021-10-28 09:10:59,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:59,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:59,968 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:59,983 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:11:01,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:11:01 BoogieIcfgContainer [2021-10-28 09:11:01,660 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:11:01,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:11:01,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:11:01,662 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:11:01,663 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:10:44" (3/4) ... [2021-10-28 09:11:01,666 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 09:11:01,720 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:11:01,720 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:11:01,722 INFO L168 Benchmark]: Toolchain (without parser) took 18350.26 ms. Allocated memory was 96.5 MB in the beginning and 962.6 MB in the end (delta: 866.1 MB). Free memory was 52.5 MB in the beginning and 666.2 MB in the end (delta: -613.7 MB). Peak memory consumption was 252.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:11:01,723 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 96.5 MB. Free memory is still 68.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:11:01,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 468.87 ms. Allocated memory is still 96.5 MB. Free memory was 52.3 MB in the beginning and 66.6 MB in the end (delta: -14.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:11:01,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.94 ms. Allocated memory is still 96.5 MB. Free memory was 66.6 MB in the beginning and 64.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:11:01,730 INFO L168 Benchmark]: Boogie Preprocessor took 91.00 ms. Allocated memory is still 96.5 MB. Free memory was 64.4 MB in the beginning and 62.4 MB in the end (delta: 2.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:11:01,730 INFO L168 Benchmark]: RCFGBuilder took 803.84 ms. Allocated memory is still 96.5 MB. Free memory was 62.2 MB in the beginning and 42.7 MB in the end (delta: 19.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:11:01,731 INFO L168 Benchmark]: BuchiAutomizer took 16832.09 ms. Allocated memory was 96.5 MB in the beginning and 962.6 MB in the end (delta: 866.1 MB). Free memory was 42.5 MB in the beginning and 669.3 MB in the end (delta: -626.8 MB). Peak memory consumption was 246.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:11:01,731 INFO L168 Benchmark]: Witness Printer took 59.11 ms. Allocated memory is still 962.6 MB. Free memory was 669.3 MB in the beginning and 666.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:11:01,733 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 96.5 MB. Free memory is still 68.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 468.87 ms. Allocated memory is still 96.5 MB. Free memory was 52.3 MB in the beginning and 66.6 MB in the end (delta: -14.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.94 ms. Allocated memory is still 96.5 MB. Free memory was 66.6 MB in the beginning and 64.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.00 ms. Allocated memory is still 96.5 MB. Free memory was 64.4 MB in the beginning and 62.4 MB in the end (delta: 2.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 803.84 ms. Allocated memory is still 96.5 MB. Free memory was 62.2 MB in the beginning and 42.7 MB in the end (delta: 19.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 16832.09 ms. Allocated memory was 96.5 MB in the beginning and 962.6 MB in the end (delta: 866.1 MB). Free memory was 42.5 MB in the beginning and 669.3 MB in the end (delta: -626.8 MB). Peak memory consumption was 246.3 MB. Max. memory is 16.1 GB. * Witness Printer took 59.11 ms. Allocated memory is still 962.6 MB. Free memory was 669.3 MB in the beginning and 666.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 17 terminating modules (14 trivial, 3 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * e_c + 1 and consists of 3 locations. One deterministic module has affine ranking function -1 * e_c + 1 and consists of 3 locations. One deterministic module has affine ranking function 3 + -2 * e_e and consists of 3 locations. 14 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 18549 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.7s and 15 iterations. TraceHistogramMax:1. Analysis of lassos took 10.1s. Construction of modules took 0.4s. Büchi inclusion checks took 2.3s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 12. Automata minimization 1.9s AutomataMinimizationTime, 17 MinimizatonAttempts, 885 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 1.1s Buchi closure took 0.0s. Biggest automaton had 18549 states and ocurred in iteration 14. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4153 SDtfs, 4007 SDslu, 2207 SDs, 0 SdLazy, 345 SolverSat, 113 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc3 concLT0 SILN1 SILU0 SILI5 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital81 mio100 ax100 hnf100 lsp11 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq182 hnf98 smp100 dnf190 smp75 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 52ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 19 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 290]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=30144} State at position 1 is {wb_st=0, NULL=0, NULL=30144, c2_st=0, tmp=0, e_c=2, e_e=2, e_p_in=0, kernel_st=1, t_b=0, tmp___2=0, wb_pc=0, tmp___0=0, wb_i=1, c_t=0, NULL=0, NULL=0, c=0, wl_st=0, c2_pc=0, r_i=0, e_f=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@415c5e5a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1db14d36=0, NULL=0, r_st=2, __retres1=0, p_out=0, NULL=30145, processed=0, \result=0, wl_pc=0, e_wl=2, tmp___1=0, data=0, p_in=0, tmp___3=0, c_req_up=0, NULL=30147, wl_i=1, NULL=0, c1_st=0, NULL=30146, c1_i=1, c2_i=1, d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e13d4c2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ed9d955=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4aa2d27d=0, e_g=2, c1_pc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 290]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L20] int c ; [L21] int c_t ; [L22] int c_req_up ; [L23] int p_in ; [L24] int p_out ; [L25] int wl_st ; [L26] int c1_st ; [L27] int c2_st ; [L28] int wb_st ; [L29] int r_st ; [L30] int wl_i ; [L31] int c1_i ; [L32] int c2_i ; [L33] int wb_i ; [L34] int r_i ; [L35] int wl_pc ; [L36] int c1_pc ; [L37] int c2_pc ; [L38] int wb_pc ; [L39] int e_e ; [L40] int e_f ; [L41] int e_g ; [L42] int e_c ; [L43] int e_p_in ; [L44] int e_wl ; [L50] int d ; [L51] int data ; [L52] int processed ; [L53] static int t_b ; [L685] int __retres1 ; [L689] e_wl = 2 [L690] e_c = e_wl [L691] e_g = e_c [L692] e_f = e_g [L693] e_e = e_f [L694] wl_pc = 0 [L695] c1_pc = 0 [L696] c2_pc = 0 [L697] wb_pc = 0 [L698] wb_i = 1 [L699] c2_i = wb_i [L700] c1_i = c2_i [L701] wl_i = c1_i [L702] r_i = 0 [L703] c_req_up = 0 [L704] d = 0 [L705] c = 0 [L396] int kernel_st ; [L399] kernel_st = 0 [L400] COND FALSE !((int )c_req_up == 1) [L411] COND TRUE (int )wl_i == 1 [L412] wl_st = 0 [L416] COND TRUE (int )c1_i == 1 [L417] c1_st = 0 [L421] COND TRUE (int )c2_i == 1 [L422] c2_st = 0 [L426] COND TRUE (int )wb_i == 1 [L427] wb_st = 0 [L431] COND FALSE !((int )r_i == 1) [L434] r_st = 2 [L436] COND FALSE !((int )e_f == 0) [L441] COND FALSE !((int )e_g == 0) [L446] COND FALSE !((int )e_e == 0) [L451] COND FALSE !((int )e_c == 0) [L456] COND FALSE !((int )e_wl == 0) [L461] COND FALSE !((int )wl_pc == 1) [L469] COND FALSE !((int )wl_pc == 2) [L479] COND FALSE !((int )c1_pc == 1) [L488] COND FALSE !((int )c2_pc == 1) [L497] COND FALSE !((int )wb_pc == 1) [L506] COND FALSE !((int )e_c == 1) [L511] COND FALSE !((int )e_e == 1) [L516] COND FALSE !((int )e_f == 1) [L521] COND FALSE !((int )e_g == 1) [L526] COND FALSE !((int )e_c == 1) [L531] COND FALSE !((int )e_wl == 1) [L537] COND TRUE 1 [L540] kernel_st = 1 [L282] int tmp ; [L283] int tmp___0 ; [L284] int tmp___1 ; [L285] int tmp___2 ; [L286] int tmp___3 ; Loop: [L290] COND TRUE 1 [L292] COND TRUE (int )wl_st == 0 [L313] COND TRUE (int )wl_st == 0 [L315] tmp = __VERIFIER_nondet_int() [L317] COND FALSE !(\read(tmp)) [L328] COND TRUE (int )c1_st == 0 [L330] tmp___0 = __VERIFIER_nondet_int() [L332] COND FALSE !(\read(tmp___0)) [L343] COND TRUE (int )c2_st == 0 [L345] tmp___1 = __VERIFIER_nondet_int() [L347] COND FALSE !(\read(tmp___1)) [L358] COND TRUE (int )wb_st == 0 [L360] tmp___2 = __VERIFIER_nondet_int() [L362] COND FALSE !(\read(tmp___2)) [L373] COND FALSE !((int )r_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:11:01,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baf464-d5c6-4043-b6c5-aeec2b67c758/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...