./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec2_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec2_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be --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 c39b0b488ad07619ca8d4ed9273747459006984c072c0894ad54004ae965569d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:55:44,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:55:44,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:55:44,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:55:44,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:55:44,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:55:44,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:55:44,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:55:44,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:55:44,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:55:44,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:55:44,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:55:44,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:55:44,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:55:44,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:55:44,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:55:44,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:55:44,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:55:44,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:55:44,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:55:44,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:55:44,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:55:44,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:55:44,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:55:44,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:55:44,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:55:44,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:55:44,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:55:44,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:55:44,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:55:44,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:55:44,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:55:44,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:55:44,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:55:44,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:55:44,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:55:44,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:55:44,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:55:44,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:55:44,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:55:44,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:55:44,684 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:55:44,709 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:55:44,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:55:44,712 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:55:44,712 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:55:44,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:55:44,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:55:44,715 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:55:44,715 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:55:44,715 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:55:44,715 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:55:44,716 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:55:44,717 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:55:44,717 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:55:44,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:55:44,717 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:55:44,718 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:55:44,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:55:44,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:55:44,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:55:44,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:55:44,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:55:44,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:55:44,719 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:55:44,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:55:44,719 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:55:44,720 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:55:44,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:55:44,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:55:44,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:55:44,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:55:44,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:55:44,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:55:44,723 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:55:44,723 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_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c39b0b488ad07619ca8d4ed9273747459006984c072c0894ad54004ae965569d [2021-10-21 19:55:45,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:55:45,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:55:45,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:55:45,097 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:55:45,099 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:55:45,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/elevator_spec2_product26.cil.c [2021-10-21 19:55:45,173 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/data/8b51d223d/fbde4d17f7814f0ebaf66b48190bf237/FLAGe4e8a19eb [2021-10-21 19:55:45,855 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:55:45,856 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/sv-benchmarks/c/product-lines/elevator_spec2_product26.cil.c [2021-10-21 19:55:45,893 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/data/8b51d223d/fbde4d17f7814f0ebaf66b48190bf237/FLAGe4e8a19eb [2021-10-21 19:55:46,054 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/data/8b51d223d/fbde4d17f7814f0ebaf66b48190bf237 [2021-10-21 19:55:46,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:55:46,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:55:46,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:55:46,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:55:46,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:55:46,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:55:46" (1/1) ... [2021-10-21 19:55:46,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c123a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:55:46, skipping insertion in model container [2021-10-21 19:55:46,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:55:46" (1/1) ... [2021-10-21 19:55:46,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:55:46,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:55:46,881 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_ed4338c5-3a3c-412d-8a66-5028439228f4/sv-benchmarks/c/product-lines/elevator_spec2_product26.cil.c[70298,70311] [2021-10-21 19:55:46,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:55:46,897 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:55:46,993 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_ed4338c5-3a3c-412d-8a66-5028439228f4/sv-benchmarks/c/product-lines/elevator_spec2_product26.cil.c[70298,70311] [2021-10-21 19:55:46,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:55:47,031 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:55:47,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:55:47 WrapperNode [2021-10-21 19:55:47,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:55:47,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:55:47,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:55:47,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:55:47,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:55:47" (1/1) ... [2021-10-21 19:55:47,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:55:47" (1/1) ... [2021-10-21 19:55:47,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:55:47,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:55:47,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:55:47,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:55:47,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:55:47" (1/1) ... [2021-10-21 19:55:47,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:55:47" (1/1) ... [2021-10-21 19:55:47,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:55:47" (1/1) ... [2021-10-21 19:55:47,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:55:47" (1/1) ... [2021-10-21 19:55:47,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:55:47" (1/1) ... [2021-10-21 19:55:47,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:55:47" (1/1) ... [2021-10-21 19:55:47,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:55:47" (1/1) ... [2021-10-21 19:55:47,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:55:47,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:55:47,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:55:47,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:55:47,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:55:47" (1/1) ... [2021-10-21 19:55:47,874 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:55:47,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:55:47,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:55:47,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:55:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:55:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:55:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:55:47,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:55:56,251 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:55:56,252 INFO L299 CfgBuilder]: Removed 1125 assume(true) statements. [2021-10-21 19:55:56,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:55:56 BoogieIcfgContainer [2021-10-21 19:55:56,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:55:56,263 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:55:56,263 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:55:56,266 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:55:56,267 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:55:56,267 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:55:46" (1/3) ... [2021-10-21 19:55:56,269 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8db5178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:55:56, skipping insertion in model container [2021-10-21 19:55:56,269 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:55:56,269 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:55:47" (2/3) ... [2021-10-21 19:55:56,270 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8db5178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:55:56, skipping insertion in model container [2021-10-21 19:55:56,270 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:55:56,271 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:55:56" (3/3) ... [2021-10-21 19:55:56,272 INFO L389 chiAutomizerObserver]: Analyzing ICFG elevator_spec2_product26.cil.c [2021-10-21 19:55:56,333 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:55:56,333 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:55:56,334 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:55:56,334 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:55:56,334 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:55:56,334 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:55:56,334 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:55:56,334 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:55:56,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 4855 states, 4854 states have (on average 1.8928718582612278) internal successors, (9188), 4854 states have internal predecessors, (9188), 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) [2021-10-21 19:55:56,584 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2417 [2021-10-21 19:55:56,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:55:56,585 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:55:56,600 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] [2021-10-21 19:55:56,600 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] [2021-10-21 19:55:56,600 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:55:56,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 4855 states, 4854 states have (on average 1.8928718582612278) internal successors, (9188), 4854 states have internal predecessors, (9188), 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) [2021-10-21 19:55:56,684 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2417 [2021-10-21 19:55:56,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:55:56,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:55:56,697 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] [2021-10-21 19:55:56,698 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] [2021-10-21 19:55:56,704 INFO L791 eck$LassoCheckResult]: Stem: 2993#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(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(10);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string70.base, #t~string70.offset, 1);call write~init~int(95, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(93, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string72.base, #t~string72.offset, 1);call write~init~int(93, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(32, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string74.base, #t~string74.offset, 1);call write~init~int(97, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(116, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(32, #t~string74.base, 3 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 4 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string76.base, #t~string76.offset, 1);call write~init~int(105, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(10);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string80.base, #t~string80.offset, 1);call write~init~int(112, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 2 + #t~string80.offset, 1);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string82.base, #t~string82.offset, 1);call write~init~int(111, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(119, #t~string82.base, 2 + #t~string82.offset, 1);call write~init~int(110, #t~string82.base, 3 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 4 + #t~string82.offset, 1);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string84.base, #t~string84.offset, 1);call write~init~int(73, #t~string84.base, 1 + #t~string84.offset, 1);call write~init~int(76, #t~string84.base, 2 + #t~string84.offset, 1);call write~init~int(95, #t~string84.base, 3 + #t~string84.offset, 1);call write~init~int(112, #t~string84.base, 4 + #t~string84.offset, 1);call write~init~int(58, #t~string84.base, 5 + #t~string84.offset, 1);call write~init~int(0, #t~string84.base, 6 + #t~string84.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string86.base, #t~string86.offset, 1);call write~init~int(37, #t~string86.base, 1 + #t~string86.offset, 1);call write~init~int(105, #t~string86.base, 2 + #t~string86.offset, 1);call write~init~int(0, #t~string86.base, 3 + #t~string86.offset, 1);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string88.base, #t~string88.offset, 1);call write~init~int(37, #t~string88.base, 1 + #t~string88.offset, 1);call write~init~int(105, #t~string88.base, 2 + #t~string88.offset, 1);call write~init~int(0, #t~string88.base, 3 + #t~string88.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string90.base, #t~string90.offset, 1);call write~init~int(37, #t~string90.base, 1 + #t~string90.offset, 1);call write~init~int(105, #t~string90.base, 2 + #t~string90.offset, 1);call write~init~int(0, #t~string90.base, 3 + #t~string90.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string92.base, #t~string92.offset, 1);call write~init~int(37, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(105, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 3 + #t~string92.offset, 1);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string94.base, #t~string94.offset, 1);call write~init~int(37, #t~string94.base, 1 + #t~string94.offset, 1);call write~init~int(105, #t~string94.base, 2 + #t~string94.offset, 1);call write~init~int(0, #t~string94.base, 3 + #t~string94.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string96.base, #t~string96.offset, 1);call write~init~int(70, #t~string96.base, 1 + #t~string96.offset, 1);call write~init~int(95, #t~string96.base, 2 + #t~string96.offset, 1);call write~init~int(112, #t~string96.base, 3 + #t~string96.offset, 1);call write~init~int(58, #t~string96.base, 4 + #t~string96.offset, 1);call write~init~int(0, #t~string96.base, 5 + #t~string96.offset, 1);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string99.base, #t~string99.offset, 1);call write~init~int(37, #t~string99.base, 1 + #t~string99.offset, 1);call write~init~int(105, #t~string99.base, 2 + #t~string99.offset, 1);call write~init~int(0, #t~string99.base, 3 + #t~string99.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string102.base, #t~string102.offset, 1);call write~init~int(37, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(105, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 3 + #t~string102.offset, 1);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string105.base, #t~string105.offset, 1);call write~init~int(37, #t~string105.base, 1 + #t~string105.offset, 1);call write~init~int(105, #t~string105.base, 2 + #t~string105.offset, 1);call write~init~int(0, #t~string105.base, 3 + #t~string105.offset, 1);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string108.base, #t~string108.offset, 1);call write~init~int(37, #t~string108.base, 1 + #t~string108.offset, 1);call write~init~int(105, #t~string108.base, 2 + #t~string108.offset, 1);call write~init~int(0, #t~string108.base, 3 + #t~string108.offset, 1);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string111.base, #t~string111.offset, 1);call write~init~int(37, #t~string111.base, 1 + #t~string111.offset, 1);call write~init~int(105, #t~string111.base, 2 + #t~string111.offset, 1);call write~init~int(0, #t~string111.base, 3 + #t~string111.offset, 1);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string113.base, #t~string113.offset, 1);call write~init~int(0, #t~string113.base, 1 + #t~string113.offset, 1);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(30);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(9);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(21);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(30);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(9);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(21);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(30);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(9);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(25);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(30);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(9);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 12;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 4750#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~1, main_~tmp~8;havoc main_~retValue_acc~1;havoc main_~tmp~8; 2402#L2459true havoc valid_product_#res;havoc valid_product_~retValue_acc~22;havoc valid_product_~retValue_acc~22;valid_product_~retValue_acc~22 := 1;valid_product_#res := valid_product_~retValue_acc~22; 3414#L2467true main_#t~ret20 := valid_product_#res;main_~tmp~8 := main_#t~ret20;havoc main_#t~ret20; 1893#L399true assume 0 != main_~tmp~8; 1798#L368true ~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 4290#L3148true havoc bigMacCall_#t~ret13, bigMacCall_~tmp~5;havoc bigMacCall_~tmp~5;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~16;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~16; 3671#L1984true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~16 := 4;getOrigin_#res := getOrigin_~retValue_acc~16; 2966#L2009true bigMacCall_#t~ret13 := getOrigin_#res;bigMacCall_~tmp~5 := bigMacCall_#t~ret13;havoc bigMacCall_#t~ret13;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~5;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 375#L2825true assume 0 == initPersonOnFloor_~floor; 2865#L2826true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 1968#L2933-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 4537#L2617true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 3570#L2629-2true havoc cleanup_#t~ret14, cleanup_#t~ret15, cleanup_~i~0, cleanup_~tmp~6, cleanup_~tmp___0~0, cleanup_~__cil_tmp4~0;havoc cleanup_~i~0;havoc cleanup_~tmp~6;havoc cleanup_~tmp___0~0;havoc cleanup_~__cil_tmp4~0;havoc timeShift_#t~ret67, timeShift_~tmp~19;havoc timeShift_~tmp~19;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 3441#L684true timeShift_#t~ret67 := areDoorsOpen_#res;timeShift_~tmp~19 := timeShift_#t~ret67;havoc timeShift_#t~ret67; 3778#L1567true assume 0 != timeShift_~tmp~19; 2388#L1568true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 518#L1271-11true havoc __utac_acc__Specification2_spec__3_#t~ret154, __utac_acc__Specification2_spec__3_#t~ret155, __utac_acc__Specification2_spec__3_#t~ret156, __utac_acc__Specification2_spec__3_#t~ret157, __utac_acc__Specification2_spec__3_#t~ret158, __utac_acc__Specification2_spec__3_#t~ret159, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~25, __utac_acc__Specification2_spec__3_~tmp___0~8, __utac_acc__Specification2_spec__3_~tmp___1~6, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~25;havoc __utac_acc__Specification2_spec__3_~tmp___0~8;havoc __utac_acc__Specification2_spec__3_~tmp___1~6;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~3;havoc getCurrentFloorID_~retValue_acc~3;getCurrentFloorID_~retValue_acc~3 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~3; 82#L675true __utac_acc__Specification2_spec__3_#t~ret154 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~25 := __utac_acc__Specification2_spec__3_#t~ret154;havoc __utac_acc__Specification2_spec__3_#t~ret154;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~25; 3147#L3193true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 3291#L3194true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 4339#L684-1true __utac_acc__Specification2_spec__3_#t~ret155 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret155;havoc __utac_acc__Specification2_spec__3_#t~ret155; 1721#L3198true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 3931#L3253true cleanup_~i~0 := 0; 2347#L198-2true [2021-10-21 19:55:56,705 INFO L793 eck$LassoCheckResult]: Loop: 2347#L198-2true assume !false; 4446#L199true cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 594#L202true assume cleanup_~i~0 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~2;havoc isBlocked_~retValue_acc~2;isBlocked_~retValue_acc~2 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~2; 649#L497true cleanup_#t~ret14 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret14;havoc cleanup_#t~ret14; 3047#L206true assume 1 != cleanup_~tmp___0~0; 2060#L206-1true havoc isIdle_#res;havoc isIdle_#t~ret29, isIdle_~retValue_acc~9, isIdle_~tmp~13;havoc isIdle_~retValue_acc~9;havoc isIdle_~tmp~13;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret24, anyStopRequested_#t~ret25, anyStopRequested_#t~ret26, anyStopRequested_#t~ret27, anyStopRequested_#t~ret28, anyStopRequested_~retValue_acc~8, anyStopRequested_~tmp~12, anyStopRequested_~tmp___0~2, anyStopRequested_~tmp___1~1, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~8;havoc anyStopRequested_~tmp~12;havoc anyStopRequested_~tmp___0~2;havoc anyStopRequested_~tmp___1~1;havoc anyStopRequested_~tmp___2~1;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~23;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~23; 2210#L2554-42true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~23 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~23; 2451#L2581-42true anyStopRequested_#t~ret24 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret24;havoc anyStopRequested_#t~ret24; 1905#L783true assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~8 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~8; 2675#L847true isIdle_#t~ret29 := anyStopRequested_#res;isIdle_~tmp~13 := isIdle_#t~ret29;havoc isIdle_#t~ret29;isIdle_~retValue_acc~9 := (if 0 == isIdle_~tmp~13 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~9; 2531#L860true cleanup_#t~ret15 := isIdle_#res;cleanup_~tmp~6 := cleanup_#t~ret15;havoc cleanup_#t~ret15; 854#L218true assume !(0 != cleanup_~tmp~6);havoc timeShift_#t~ret67, timeShift_~tmp~19;havoc timeShift_~tmp~19;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 3655#L684-6true timeShift_#t~ret67 := areDoorsOpen_#res;timeShift_~tmp~19 := timeShift_#t~ret67;havoc timeShift_#t~ret67; 2070#L1567-1true assume 0 != timeShift_~tmp~19; 2578#L1568-2true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 3642#L1271-23true havoc __utac_acc__Specification2_spec__3_#t~ret154, __utac_acc__Specification2_spec__3_#t~ret155, __utac_acc__Specification2_spec__3_#t~ret156, __utac_acc__Specification2_spec__3_#t~ret157, __utac_acc__Specification2_spec__3_#t~ret158, __utac_acc__Specification2_spec__3_#t~ret159, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~25, __utac_acc__Specification2_spec__3_~tmp___0~8, __utac_acc__Specification2_spec__3_~tmp___1~6, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~25;havoc __utac_acc__Specification2_spec__3_~tmp___0~8;havoc __utac_acc__Specification2_spec__3_~tmp___1~6;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~3;havoc getCurrentFloorID_~retValue_acc~3;getCurrentFloorID_~retValue_acc~3 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~3; 907#L675-1true __utac_acc__Specification2_spec__3_#t~ret154 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~25 := __utac_acc__Specification2_spec__3_#t~ret154;havoc __utac_acc__Specification2_spec__3_#t~ret154;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~25; 4708#L3193-1true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 1570#L3194-1true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 432#L684-7true __utac_acc__Specification2_spec__3_#t~ret155 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret155;havoc __utac_acc__Specification2_spec__3_#t~ret155; 1610#L3198-2true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 2291#L3253-1true cleanup_~i~0 := 1 + cleanup_~i~0; 2347#L198-2true [2021-10-21 19:55:56,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:55:56,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1323712467, now seen corresponding path program 1 times [2021-10-21 19:55:56,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:55:56,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599430057] [2021-10-21 19:55:56,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:55:56,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:55:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:55:57,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:55:57,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:55:57,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599430057] [2021-10-21 19:55:57,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599430057] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:55:57,085 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:55:57,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:55:57,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630778169] [2021-10-21 19:55:57,091 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:55:57,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:55:57,092 INFO L82 PathProgramCache]: Analyzing trace with hash 2119774427, now seen corresponding path program 1 times [2021-10-21 19:55:57,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:55:57,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831623739] [2021-10-21 19:55:57,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:55:57,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:55:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:55:57,110 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:55:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:55:57,161 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:55:57,766 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:55:57,766 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:55:57,767 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:55:57,767 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:55:57,767 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:55:57,767 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:55:57,767 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:55:57,767 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:55:57,768 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product26.cil.c_Iteration1_Loop [2021-10-21 19:55:57,768 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:55:57,768 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:55:57,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:57,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:58,343 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:55:58,344 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:55:58,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:55:58,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:55:58,353 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:55:58,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:55:58,359 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:55:58,359 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:55:58,385 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:55:58,385 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_isIdle_#t~ret29=0} Honda state: {ULTIMATE.start_isIdle_#t~ret29=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:55:58,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:55:58,426 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:55:58,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:55:58,427 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:55:58,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:55:58,434 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:55:58,434 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:55:58,478 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:55:58,478 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___1~6=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___1~6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:55:58,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:55:58,515 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:55:58,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:55:58,526 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:55:58,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:55:58,574 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:55:58,575 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:55:58,619 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:55:58,619 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_areDoorsOpen_#res=-8, ULTIMATE.start_areDoorsOpen_~retValue_acc~4=-8, ULTIMATE.start_timeShift_~tmp~19=-8, ~doorState~0=-8, ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___4~3=-8} Honda state: {ULTIMATE.start_areDoorsOpen_#res=-8, ULTIMATE.start_areDoorsOpen_~retValue_acc~4=-8, ULTIMATE.start_timeShift_~tmp~19=-8, ~doorState~0=-8, ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___4~3=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:55:58,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-21 19:55:58,697 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:55:58,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:55:58,706 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:55:58,714 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:55:58,714 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:55:58,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:55:58,734 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:55:58,734 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___1~1=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___1~1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:55:58,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:55:58,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:55:58,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:55:58,770 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:55:58,778 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:55:58,778 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:55:58,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:55:58,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:55:58,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:55:58,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:55:58,846 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:55:58,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:55:58,946 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:55:58,946 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:55:59,531 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:55:59,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-21 19:55:59,542 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:55:59,542 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:55:59,542 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:55:59,542 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:55:59,542 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:55:59,543 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:55:59,543 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:55:59,543 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:55:59,543 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product26.cil.c_Iteration1_Loop [2021-10-21 19:55:59,543 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:55:59,543 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:55:59,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:55:59,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:00,061 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:56:00,065 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:56:00,066 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:00,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:00,068 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:00,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:56:00,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:56:00,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:56:00,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:56:00,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:56:00,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:56:00,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:56:00,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:56:00,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:56:00,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:56:00,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:00,142 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:00,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:00,144 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:00,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:56:00,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:56:00,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:56:00,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:56:00,160 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:56:00,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:56:00,164 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:56:00,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:56:00,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:56:00,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:56:00,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:00,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:00,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:00,217 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:00,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:56:00,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:56:00,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:56:00,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:56:00,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:56:00,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:56:00,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:56:00,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:56:00,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:56:00,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:56:00,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:00,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:00,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:00,297 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:00,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:56:00,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:56:00,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:56:00,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:56:00,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:56:00,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:56:00,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:56:00,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:56:00,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:56:00,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:56:00,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:00,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:00,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:00,370 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:00,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:56:00,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:56:00,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:56:00,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:56:00,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:56:00,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:56:00,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:56:00,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:56:00,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 19:56:00,412 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:56:00,418 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-21 19:56:00,418 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 19:56:00,419 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:00,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:00,421 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:00,426 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:56:00,426 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 19:56:00,426 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:56:00,427 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~cleanupTimeShifts~0, ULTIMATE.start_cleanup_~i~0) = 1*~cleanupTimeShifts~0 - 1*ULTIMATE.start_cleanup_~i~0 Supporting invariants [] [2021-10-21 19:56:00,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 19:56:00,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:00,466 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 19:56:00,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:56:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:56:00,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:56:00,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:56:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:56:00,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:56:00,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:56:00,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:56:01,008 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 [2021-10-21 19:56:01,022 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 4855 states, 4854 states have (on average 1.8928718582612278) internal successors, (9188), 4854 states have internal predecessors, (9188), 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 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2021-10-21 19:56:01,587 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 4855 states, 4854 states have (on average 1.8928718582612278) internal successors, (9188), 4854 states have internal predecessors, (9188), 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 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 7332 states and 13832 transitions. Complement of second has 9 states. [2021-10-21 19:56:01,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-21 19:56:01,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2021-10-21 19:56:01,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9227 transitions. [2021-10-21 19:56:01,609 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9227 transitions. Stem has 24 letters. Loop has 22 letters. [2021-10-21 19:56:01,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:56:01,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9227 transitions. Stem has 46 letters. Loop has 22 letters. [2021-10-21 19:56:01,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:56:01,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9227 transitions. Stem has 24 letters. Loop has 44 letters. [2021-10-21 19:56:01,617 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:56:01,618 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7332 states and 13832 transitions. [2021-10-21 19:56:01,708 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:56:01,711 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7332 states to 0 states and 0 transitions. [2021-10-21 19:56:01,712 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:56:01,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:56:01,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:56:01,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:56:01,713 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:56:01,713 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:56:01,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:56:01,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:56:01,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:56:01,718 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. 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) [2021-10-21 19:56:01,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:56:01,721 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-21 19:56:01,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:56:01,722 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-21 19:56:01,722 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:56:01,722 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:56:01,722 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:56:01,722 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:56:01,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:56:01,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:56:01,723 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:56:01,723 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:56:01,723 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:56:01,723 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:56:01,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:56:01,723 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:56:01,724 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:56:01,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:56:01 BoogieIcfgContainer [2021-10-21 19:56:01,729 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:56:01,730 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:56:01,730 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:56:01,730 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:56:01,731 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:55:56" (3/4) ... [2021-10-21 19:56:01,734 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:56:01,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:56:01,736 INFO L168 Benchmark]: Toolchain (without parser) took 15676.02 ms. Allocated memory was 113.2 MB in the beginning and 578.8 MB in the end (delta: 465.6 MB). Free memory was 73.5 MB in the beginning and 200.0 MB in the end (delta: -126.5 MB). Peak memory consumption was 338.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:56:01,737 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 113.2 MB. Free memory is still 92.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:56:01,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 972.17 ms. Allocated memory is still 113.2 MB. Free memory was 73.3 MB in the beginning and 62.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:56:01,744 INFO L168 Benchmark]: Boogie Procedure Inliner took 385.52 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 62.7 MB in the beginning and 82.2 MB in the end (delta: -19.6 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:56:01,744 INFO L168 Benchmark]: Boogie Preprocessor took 443.14 ms. Allocated memory is still 144.7 MB. Free memory was 82.2 MB in the beginning and 68.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 52.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:56:01,745 INFO L168 Benchmark]: RCFGBuilder took 8397.40 ms. Allocated memory was 144.7 MB in the beginning and 578.8 MB in the end (delta: 434.1 MB). Free memory was 68.6 MB in the beginning and 374.5 MB in the end (delta: -305.9 MB). Peak memory consumption was 216.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:56:01,746 INFO L168 Benchmark]: BuchiAutomizer took 5466.79 ms. Allocated memory is still 578.8 MB. Free memory was 374.5 MB in the beginning and 201.1 MB in the end (delta: 173.5 MB). Peak memory consumption was 174.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:56:01,747 INFO L168 Benchmark]: Witness Printer took 3.96 ms. Allocated memory is still 578.8 MB. Free memory was 201.1 MB in the beginning and 200.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:56:01,755 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 113.2 MB. Free memory is still 92.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 972.17 ms. Allocated memory is still 113.2 MB. Free memory was 73.3 MB in the beginning and 62.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 385.52 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 62.7 MB in the beginning and 82.2 MB in the end (delta: -19.6 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 443.14 ms. Allocated memory is still 144.7 MB. Free memory was 82.2 MB in the beginning and 68.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 52.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 8397.40 ms. Allocated memory was 144.7 MB in the beginning and 578.8 MB in the end (delta: 434.1 MB). Free memory was 68.6 MB in the beginning and 374.5 MB in the end (delta: -305.9 MB). Peak memory consumption was 216.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5466.79 ms. Allocated memory is still 578.8 MB. Free memory was 374.5 MB in the beginning and 201.1 MB in the end (delta: 173.5 MB). Peak memory consumption was 174.5 MB. Max. memory is 16.1 GB. * Witness Printer took 3.96 ms. Allocated memory is still 578.8 MB. Free memory was 201.1 MB in the beginning and 200.0 MB in the end (delta: 1.0 MB). There was no memory consumed. 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function cleanupTimeShifts + -1 * i and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9193 SDtfs, 18352 SDslu, 4613 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital109 mio100 ax100 hnf100 lsp16 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq211 hnf89 smp100 dnf176 smp100 tf103 neg96 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:56:01,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:02,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4338c5-3a3c-412d-8a66-5028439228f4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...