./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label44.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label44.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ --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 b2088c7b17aba5b995f133304960e12d33921c686a6f5ea1b6e8ef36b0c15dde --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:38:28,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:38:28,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:38:28,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:38:28,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:38:28,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:38:28,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:38:28,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:38:28,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:38:28,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:38:28,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:38:28,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:38:28,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:38:28,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:38:28,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:38:28,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:38:28,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:38:28,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:38:28,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:38:28,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:38:28,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:38:28,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:38:28,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:38:28,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:38:28,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:38:28,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:38:28,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:38:28,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:38:28,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:38:28,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:38:28,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:38:28,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:38:28,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:38:28,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:38:28,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:38:28,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:38:28,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:38:28,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:38:28,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:38:28,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:38:28,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:38:28,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:38:28,907 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:38:28,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:38:28,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:38:28,909 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:38:28,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:38:28,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:38:28,911 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:38:28,911 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:38:28,912 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:38:28,912 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:38:28,912 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:38:28,913 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:38:28,913 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:38:28,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:38:28,914 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:38:28,914 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:38:28,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:38:28,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:38:28,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:38:28,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:38:28,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:38:28,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:38:28,917 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:38:28,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:38:28,918 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:38:28,919 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:38:28,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:38:28,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:38:28,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:38:28,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:38:28,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:38:28,922 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:38:28,922 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_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2088c7b17aba5b995f133304960e12d33921c686a6f5ea1b6e8ef36b0c15dde [2022-10-17 10:38:29,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:38:29,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:38:29,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:38:29,320 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:38:29,321 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:38:29,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/eca-rers2012/Problem04_label44.c [2022-10-17 10:38:29,399 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/data/c3a9feccf/1e7ae68d756f4621b39a32bead2608bd/FLAG2c6e35034 [2022-10-17 10:38:30,195 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:38:30,195 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/sv-benchmarks/c/eca-rers2012/Problem04_label44.c [2022-10-17 10:38:30,220 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/data/c3a9feccf/1e7ae68d756f4621b39a32bead2608bd/FLAG2c6e35034 [2022-10-17 10:38:30,688 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/data/c3a9feccf/1e7ae68d756f4621b39a32bead2608bd [2022-10-17 10:38:30,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:38:30,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:38:30,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:38:30,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:38:30,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:38:30,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:38:30" (1/1) ... [2022-10-17 10:38:30,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ab8d1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:30, skipping insertion in model container [2022-10-17 10:38:30,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:38:30" (1/1) ... [2022-10-17 10:38:30,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:38:30,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:38:32,271 WARN L230 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_aff8a317-60c9-4e72-8b62-96731aaa1a4b/sv-benchmarks/c/eca-rers2012/Problem04_label44.c[179919,179932] [2022-10-17 10:38:32,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:38:32,302 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:38:33,001 WARN L230 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_aff8a317-60c9-4e72-8b62-96731aaa1a4b/sv-benchmarks/c/eca-rers2012/Problem04_label44.c[179919,179932] [2022-10-17 10:38:33,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:38:33,039 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:38:33,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:33 WrapperNode [2022-10-17 10:38:33,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:38:33,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:38:33,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:38:33,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:38:33,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:33" (1/1) ... [2022-10-17 10:38:33,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:33" (1/1) ... [2022-10-17 10:38:33,376 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5567 [2022-10-17 10:38:33,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:38:33,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:38:33,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:38:33,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:38:33,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:33" (1/1) ... [2022-10-17 10:38:33,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:33" (1/1) ... [2022-10-17 10:38:33,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:33" (1/1) ... [2022-10-17 10:38:33,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:33" (1/1) ... [2022-10-17 10:38:33,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:33" (1/1) ... [2022-10-17 10:38:33,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:33" (1/1) ... [2022-10-17 10:38:33,600 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:33" (1/1) ... [2022-10-17 10:38:33,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:33" (1/1) ... [2022-10-17 10:38:33,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:38:33,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:38:33,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:38:33,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:38:33,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:33" (1/1) ... [2022-10-17 10:38:33,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:38:33,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:38:33,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:38:33,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:38:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:38:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:38:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:38:33,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:38:33,841 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:38:33,843 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:38:38,296 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:38:38,321 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:38:38,321 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:38:38,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:38:38 BoogieIcfgContainer [2022-10-17 10:38:38,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:38:38,328 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:38:38,328 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:38:38,335 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:38:38,335 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:38:38,335 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:38:30" (1/3) ... [2022-10-17 10:38:38,336 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b97697a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:38:38, skipping insertion in model container [2022-10-17 10:38:38,336 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:38:38,337 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:38:33" (2/3) ... [2022-10-17 10:38:38,337 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b97697a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:38:38, skipping insertion in model container [2022-10-17 10:38:38,337 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:38:38,337 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:38:38" (3/3) ... [2022-10-17 10:38:38,338 INFO L332 chiAutomizerObserver]: Analyzing ICFG Problem04_label44.c [2022-10-17 10:38:38,415 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:38:38,415 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:38:38,416 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:38:38,416 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:38:38,416 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:38:38,416 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:38:38,416 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:38:38,416 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:38:38,428 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 884 states, 883 states have (on average 1.9218573046432617) internal successors, (1697), 883 states have internal predecessors, (1697), 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) [2022-10-17 10:38:38,531 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 879 [2022-10-17 10:38:38,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:38:38,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:38:38,547 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:38:38,548 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-10-17 10:38:38,548 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:38:38,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 884 states, 883 states have (on average 1.9218573046432617) internal successors, (1697), 883 states have internal predecessors, (1697), 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) [2022-10-17 10:38:38,562 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 879 [2022-10-17 10:38:38,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:38:38,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:38:38,565 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:38:38,565 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-10-17 10:38:38,572 INFO L748 eck$LassoCheckResult]: Stem: 438#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(20, 2);call #Ultimate.allocInit(12, 3);~f~0 := 6;~e~0 := 5;~d~0 := 4;~b~0 := 2;~a~0 := 1;~c~0 := 3;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a3~0 := 1;~a4~0 := 17;~a25~0 := 1;~a1~0 := 1;~a26~0 := 18;~a28~0 := 15;~a7~0 := 1;~a14~0 := 19; 801#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 764#L4826-2true [2022-10-17 10:38:38,573 INFO L750 eck$LassoCheckResult]: Loop: 764#L4826-2true assume !false;havoc main_~input~0#1;main_~input~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 197#L4831true assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 659#L50true assume (1 == ~a25~0 && 1 == ~a1~0 && 5 == calculate_output_~input#1 && (((((17 == ~a4~0 && 19 == ~a26~0) && 17 == ~a28~0) && !(1 == ~a7~0)) && 20 == ~a14~0) || ((1 == ~a7~0 && (17 == ~a26~0 && 18 == ~a4~0) && 15 == ~a28~0) && 18 == ~a14~0))) && 1 == ~a3~0;~a28~0 := 15;~a26~0 := 17;~a4~0 := 16;~a14~0 := 18;~a7~0 := 1;calculate_output_#res#1 := -1; 462#L1382true main_#t~ret13#1 := calculate_output_#res#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1; 764#L4826-2true [2022-10-17 10:38:38,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:38:38,580 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-10-17 10:38:38,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:38:38,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761570079] [2022-10-17 10:38:38,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:38:38,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:38:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:38:38,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:38:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:38:38,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:38:38,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:38:38,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1271450, now seen corresponding path program 1 times [2022-10-17 10:38:38,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:38:38,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781696515] [2022-10-17 10:38:38,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:38:38,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:38:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:38:38,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:38:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:38:38,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:38:38,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:38:38,873 INFO L85 PathProgramCache]: Analyzing trace with hash 889698652, now seen corresponding path program 1 times [2022-10-17 10:38:38,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:38:38,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570120534] [2022-10-17 10:38:38,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:38:38,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:38:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:38:39,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:38:39,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:38:39,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570120534] [2022-10-17 10:38:39,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570120534] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:38:39,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:38:39,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:38:39,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835538206] [2022-10-17 10:38:39,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:38:39,389 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:38:39,390 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:38:39,390 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:38:39,391 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:38:39,391 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:38:39,391 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:38:39,391 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:38:39,391 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:38:39,391 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem04_label44.c_Iteration1_Loop [2022-10-17 10:38:39,392 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:38:39,392 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:38:39,415 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:39,551 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:39,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:39,558 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:39,561 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:39,567 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:39,575 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:39,578 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:39,695 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-10-17 10:38:40,055 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:38:40,056 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:38:40,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:38:40,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:38:40,064 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:38:40,073 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:38:40,073 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:38:40,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:38:40,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-10-17 10:38:40,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:38:40,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:38:40,152 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:38:40,161 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:38:40,161 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:38:40,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:38:40,266 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:38:40,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:38:40,270 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:38:40,270 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:38:40,270 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:38:40,270 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:38:40,270 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:38:40,270 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:38:40,270 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:38:40,270 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:38:40,270 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem04_label44.c_Iteration1_Loop [2022-10-17 10:38:40,270 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:38:40,270 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:38:40,272 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:40,399 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:40,402 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:40,405 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:40,408 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:40,413 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:40,421 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:40,424 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:40,527 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-10-17 10:38:40,890 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:38:40,895 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:38:40,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:38:40,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:38:40,900 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:38:40,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:38:40,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:38:40,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:38:40,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:38:40,923 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-10-17 10:38:40,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:38:40,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:38:40,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:38:40,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:38:40,959 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:38:40,980 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:38:40,981 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-10-17 10:38:40,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:38:40,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:38:40,997 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:38:41,010 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:38:41,010 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:38:41,011 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:38:41,012 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a4~0) = 1*~a4~0 Supporting invariants [] [2022-10-17 10:38:41,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:38:41,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:38:41,054 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:38:41,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:38:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:38:41,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:38:41,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:38:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:38:41,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:38:41,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:38:41,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:38:41,281 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-10-17 10:38:41,285 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 884 states, 883 states have (on average 1.9218573046432617) internal successors, (1697), 883 states have internal predecessors, (1697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-10-17 10:38:42,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:38:44,989 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 884 states, 883 states have (on average 1.9218573046432617) internal successors, (1697), 883 states have internal predecessors, (1697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 3540 states and 6267 transitions. Complement of second has 6 states. [2022-10-17 10:38:44,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:38:44,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-10-17 10:38:45,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3356 transitions. [2022-10-17 10:38:45,003 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 3356 transitions. Stem has 2 letters. Loop has 4 letters. [2022-10-17 10:38:45,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:38:45,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 3356 transitions. Stem has 6 letters. Loop has 4 letters. [2022-10-17 10:38:45,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:38:45,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 3356 transitions. Stem has 2 letters. Loop has 8 letters. [2022-10-17 10:38:45,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:38:45,006 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3540 states and 6267 transitions. [2022-10-17 10:38:45,043 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1697 [2022-10-17 10:38:45,071 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3540 states to 2527 states and 4373 transitions. [2022-10-17 10:38:45,073 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1700 [2022-10-17 10:38:45,076 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1705 [2022-10-17 10:38:45,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2527 states and 4373 transitions. [2022-10-17 10:38:45,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:38:45,077 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2527 states and 4373 transitions. [2022-10-17 10:38:45,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2527 states and 4373 transitions. [2022-10-17 10:38:45,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2527 to 2522. [2022-10-17 10:38:45,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2522 states, 2522 states have (on average 1.731958762886598) internal successors, (4368), 2521 states have internal predecessors, (4368), 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) [2022-10-17 10:38:45,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 4368 transitions. [2022-10-17 10:38:45,232 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2522 states and 4368 transitions. [2022-10-17 10:38:45,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:38:45,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:38:45,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:38:45,237 INFO L87 Difference]: Start difference. First operand 2522 states and 4368 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-10-17 10:38:49,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:38:49,119 INFO L93 Difference]: Finished difference Result 4980 states and 7611 transitions. [2022-10-17 10:38:49,119 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4980 states and 7611 transitions. [2022-10-17 10:38:49,165 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3272 [2022-10-17 10:38:49,212 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4980 states to 4919 states and 7531 transitions. [2022-10-17 10:38:49,212 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3275 [2022-10-17 10:38:49,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3275 [2022-10-17 10:38:49,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4919 states and 7531 transitions. [2022-10-17 10:38:49,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:38:49,219 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4919 states and 7531 transitions. [2022-10-17 10:38:49,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4919 states and 7531 transitions. [2022-10-17 10:38:49,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4919 to 4919. [2022-10-17 10:38:49,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4919 states, 4919 states have (on average 1.5310022362268754) internal successors, (7531), 4918 states have internal predecessors, (7531), 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) [2022-10-17 10:38:49,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4919 states to 4919 states and 7531 transitions. [2022-10-17 10:38:49,347 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4919 states and 7531 transitions. [2022-10-17 10:38:49,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:38:49,348 INFO L428 stractBuchiCegarLoop]: Abstraction has 4919 states and 7531 transitions. [2022-10-17 10:38:49,348 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:38:49,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4919 states and 7531 transitions. [2022-10-17 10:38:49,386 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3272 [2022-10-17 10:38:49,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:38:49,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:38:49,387 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:38:49,388 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:38:49,389 INFO L748 eck$LassoCheckResult]: Stem: 13415#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(20, 2);call #Ultimate.allocInit(12, 3);~f~0 := 6;~e~0 := 5;~d~0 := 4;~b~0 := 2;~a~0 := 1;~c~0 := 3;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a3~0 := 1;~a4~0 := 17;~a25~0 := 1;~a1~0 := 1;~a26~0 := 18;~a28~0 := 15;~a7~0 := 1;~a14~0 := 19; 13416#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 14223#L4826-2 assume !false;havoc main_~input~0#1;main_~input~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 12690#L4831 [2022-10-17 10:38:49,396 INFO L750 eck$LassoCheckResult]: Loop: 12690#L4831 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 12691#L50 assume !((1 == ~a25~0 && 1 == ~a1~0 && 5 == calculate_output_~input#1 && (((((17 == ~a4~0 && 19 == ~a26~0) && 17 == ~a28~0) && !(1 == ~a7~0)) && 20 == ~a14~0) || ((1 == ~a7~0 && (17 == ~a26~0 && 18 == ~a4~0) && 15 == ~a28~0) && 18 == ~a14~0))) && 1 == ~a3~0); 13732#L57 assume !((1 == ~a25~0 && (16 == ~a28~0 && 17 == ~a4~0 && 1 == ~a1~0 && (((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (!(1 == ~a7~0) && 17 == ~a26~0)) && 4 == calculate_output_~input#1) && !(1 == ~a3~0)) && 20 == ~a14~0); 12773#L62 assume !(17 == ~a28~0 && 1 == ~a1~0 && 1 == ~a25~0 && 1 == ~a7~0 && 17 == ~a4~0 && (18 == ~a14~0 && 4 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && !(1 == ~a3~0)); 12752#L68 assume !(!(1 == ~a7~0) && !(1 == ~a3~0) && (16 == ~a28~0 && 1 == ~a25~0 && 17 == ~a4~0 && ((17 == ~a26~0 || 18 == ~a26~0) && 6 == calculate_output_~input#1) && 1 == ~a1~0) && 19 == ~a14~0); 12753#L76 assume !(16 == ~a28~0 && ((18 == ~a14~0 && (!(1 == ~a7~0) && 18 == ~a26~0 && 1 == ~a3~0 && 1 == calculate_output_~input#1) && 1 == ~a1~0) && 1 == ~a25~0) && 18 == ~a4~0); 13353#L82 assume !(!(1 == ~a3~0) && 17 == ~a28~0 && 1 == ~a25~0 && ((5 == calculate_output_~input#1 && (((18 == ~a14~0 && 19 == ~a26~0 && !(1 == ~a7~0)) || (19 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) || (19 == ~a14~0 && 18 == ~a26~0 && 1 == ~a7~0))) && 17 == ~a4~0) && 1 == ~a1~0); 13354#L90 assume !(1 == ~a1~0 && 17 == ~a26~0 && 18 == ~a4~0 && !(1 == ~a7~0) && ((1 == ~a25~0 && 3 == calculate_output_~input#1 && 15 == ~a28~0) && 1 == ~a3~0) && 20 == ~a14~0); 12662#L95 assume !(((((1 == ~a1~0 && (20 == ~a14~0 && 2 == calculate_output_~input#1 && 17 == ~a26~0) && !(1 == ~a7~0)) && 15 == ~a28~0) && 1 == ~a25~0) && 17 == ~a4~0) && !(1 == ~a3~0)); 12663#L102 assume !(17 == ~a28~0 && 17 == ~a4~0 && 1 == ~a25~0 && 1 == ~a3~0 && 20 == ~a14~0 && 1 == ~a1~0 && 6 == calculate_output_~input#1 && (((1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0))) || (!(1 == ~a7~0) && 18 == ~a26~0))); 12911#L109 assume !(((17 == ~a4~0 && (((((!(1 == ~a7~0) && 19 == ~a26~0) && 19 == ~a14~0) || (20 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) && 3 == calculate_output_~input#1) && 15 == ~a28~0) && 1 == ~a25~0) && 1 == ~a3~0) && 1 == ~a1~0); 12163#L115 assume !((16 == ~a28~0 && (!(1 == ~a7~0) && 1 == ~a1~0 && 17 == ~a4~0 && ((18 == ~a26~0 || 19 == ~a26~0) && 5 == calculate_output_~input#1) && !(1 == ~a3~0)) && 18 == ~a14~0) && 1 == ~a25~0); 12164#L122 assume 1 == ~a25~0 && (1 == ~a1~0 && (1 == ~a7~0 && ((2 == calculate_output_~input#1 && 17 == ~a4~0) && 15 == ~a28~0) && 1 == ~a3~0) && 18 == ~a26~0) && 19 == ~a14~0;~a26~0 := 17;~a14~0 := 20;calculate_output_#res#1 := 24; 12740#L1382 main_#t~ret13#1 := calculate_output_#res#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1; 13474#L4826-2 assume !false;havoc main_~input~0#1;main_~input~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 12690#L4831 [2022-10-17 10:38:49,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:38:49,397 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-10-17 10:38:49,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:38:49,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25834933] [2022-10-17 10:38:49,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:38:49,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:38:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:38:49,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:38:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:38:49,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:38:49,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:38:49,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1835408625, now seen corresponding path program 1 times [2022-10-17 10:38:49,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:38:49,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649869727] [2022-10-17 10:38:49,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:38:49,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:38:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:38:49,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:38:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:38:49,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:38:49,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:38:49,476 INFO L85 PathProgramCache]: Analyzing trace with hash -783635576, now seen corresponding path program 1 times [2022-10-17 10:38:49,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:38:49,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174018512] [2022-10-17 10:38:49,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:38:49,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:38:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:38:49,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:38:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:38:49,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:38:49,764 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:38:49,764 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:38:49,764 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:38:49,764 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:38:49,764 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:38:49,764 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:38:49,765 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:38:49,765 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:38:49,765 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem04_label44.c_Iteration2_Loop [2022-10-17 10:38:49,765 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:38:49,766 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:38:49,770 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:49,774 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:49,776 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:49,781 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:49,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:49,797 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:49,801 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:49,803 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:49,806 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:49,811 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:49,814 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:49,818 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:49,934 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:38:49,934 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:38:49,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:38:49,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:38:49,942 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:38:49,964 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:38:49,964 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:38:49,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:38:49,992 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:38:49,992 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a3~0=1} Honda state: {~a3~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:38:50,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:38:50,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:38:50,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:38:50,031 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:38:50,038 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:38:50,038 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:38:50,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:38:50,059 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:38:50,060 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a1~0=1} Honda state: {~a1~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:38:50,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-10-17 10:38:50,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:38:50,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:38:50,195 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:38:50,259 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:38:50,259 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:38:50,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:38:50,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-10-17 10:38:50,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:38:50,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:38:50,317 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:38:50,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:38:50,327 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:38:50,328 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:38:50,344 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:38:50,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:38:50,374 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:38:50,374 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:38:50,374 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:38:50,375 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:38:50,375 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:38:50,375 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:38:50,375 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:38:50,375 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:38:50,375 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem04_label44.c_Iteration2_Loop [2022-10-17 10:38:50,375 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:38:50,375 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:38:50,377 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:50,381 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:50,391 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:50,396 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:50,400 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:50,402 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:50,410 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:50,413 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:50,417 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:50,419 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:50,422 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:50,423 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:38:50,529 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:38:50,529 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:38:50,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:38:50,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:38:50,531 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:38:50,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-10-17 10:38:50,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:38:50,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:38:50,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:38:50,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:38:50,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:38:50,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:38:50,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:38:50,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:38:50,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:38:50,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-10-17 10:38:50,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:38:50,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:38:50,572 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:38:50,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-10-17 10:38:50,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:38:50,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:38:50,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:38:50,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:38:50,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:38:50,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:38:50,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:38:50,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:38:50,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:38:50,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-10-17 10:38:50,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:38:50,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:38:50,607 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:38:50,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-10-17 10:38:50,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:38:50,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:38:50,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:38:50,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:38:50,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:38:50,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:38:50,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:38:50,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:38:50,628 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:38:50,631 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-10-17 10:38:50,631 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:38:50,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:38:50,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:38:50,635 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:38:50,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-10-17 10:38:50,659 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:38:50,659 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:38:50,660 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:38:50,660 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a26~0) = 1*~a26~0 Supporting invariants [] [2022-10-17 10:38:50,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-10-17 10:38:50,681 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:38:50,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:38:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:38:50,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:38:50,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:38:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:38:50,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:38:50,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:38:50,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:38:50,793 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-10-17 10:38:50,793 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4919 states and 7531 transitions. cyclomatic complexity: 2615 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-10-17 10:38:54,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff8a317-60c9-4e72-8b62-96731aaa1a4b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-10-17 10:38:54,374 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4919 states and 7531 transitions. cyclomatic complexity: 2615. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 14800 states and 21627 transitions. Complement of second has 5 states. [2022-10-17 10:38:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:38:54,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-10-17 10:38:54,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1453 transitions. [2022-10-17 10:38:54,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 1453 transitions. Stem has 3 letters. Loop has 15 letters. [2022-10-17 10:38:54,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:38:54,379 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 1453 transitions. Stem has 18 letters. Loop has 15 letters. [2022-10-17 10:38:54,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:38:54,379 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 1453 transitions. Stem has 3 letters. Loop has 30 letters. [2022-10-17 10:38:54,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:38:54,380 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14800 states and 21627 transitions. [2022-10-17 10:38:54,487 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 6544 [2022-10-17 10:38:54,609 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14800 states to 14800 states and 21627 transitions. [2022-10-17 10:38:54,609 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6554 [2022-10-17 10:38:54,617 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6571 [2022-10-17 10:38:54,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14800 states and 21627 transitions. [2022-10-17 10:38:54,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:38:54,617 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14800 states and 21627 transitions. [2022-10-17 10:38:54,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14800 states and 21627 transitions. [2022-10-17 10:38:54,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14800 to 14783. [2022-10-17 10:38:54,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14783 states, 14783 states have (on average 1.4618142460934858) internal successors, (21610), 14782 states have internal predecessors, (21610), 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) [2022-10-17 10:38:54,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14783 states to 14783 states and 21610 transitions. [2022-10-17 10:38:54,963 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14783 states and 21610 transitions. [2022-10-17 10:38:54,963 INFO L428 stractBuchiCegarLoop]: Abstraction has 14783 states and 21610 transitions. [2022-10-17 10:38:54,964 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:38:54,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14783 states and 21610 transitions. [2022-10-17 10:38:55,032 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 6544 [2022-10-17 10:38:55,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:38:55,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:38:55,037 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-10-17 10:38:55,037 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:38:55,037 INFO L748 eck$LassoCheckResult]: Stem: 33118#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(20, 2);call #Ultimate.allocInit(12, 3);~f~0 := 6;~e~0 := 5;~d~0 := 4;~b~0 := 2;~a~0 := 1;~c~0 := 3;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a3~0 := 1;~a4~0 := 17;~a25~0 := 1;~a1~0 := 1;~a26~0 := 18;~a28~0 := 15;~a7~0 := 1;~a14~0 := 19; 33119#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 33691#L4826-2 assume !false;havoc main_~input~0#1;main_~input~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 43081#L4831 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 32470#L50 [2022-10-17 10:38:55,039 INFO L750 eck$LassoCheckResult]: Loop: 32470#L50 assume !((1 == ~a25~0 && 1 == ~a1~0 && 5 == calculate_output_~input#1 && (((((17 == ~a4~0 && 19 == ~a26~0) && 17 == ~a28~0) && !(1 == ~a7~0)) && 20 == ~a14~0) || ((1 == ~a7~0 && (17 == ~a26~0 && 18 == ~a4~0) && 15 == ~a28~0) && 18 == ~a14~0))) && 1 == ~a3~0); 35405#L57 assume !((1 == ~a25~0 && (16 == ~a28~0 && 17 == ~a4~0 && 1 == ~a1~0 && (((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (!(1 == ~a7~0) && 17 == ~a26~0)) && 4 == calculate_output_~input#1) && !(1 == ~a3~0)) && 20 == ~a14~0); 32549#L62 assume !(17 == ~a28~0 && 1 == ~a1~0 && 1 == ~a25~0 && 1 == ~a7~0 && 17 == ~a4~0 && (18 == ~a14~0 && 4 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && !(1 == ~a3~0)); 32534#L68 assume !(!(1 == ~a7~0) && !(1 == ~a3~0) && (16 == ~a28~0 && 1 == ~a25~0 && 17 == ~a4~0 && ((17 == ~a26~0 || 18 == ~a26~0) && 6 == calculate_output_~input#1) && 1 == ~a1~0) && 19 == ~a14~0); 32535#L76 assume !(16 == ~a28~0 && ((18 == ~a14~0 && (!(1 == ~a7~0) && 18 == ~a26~0 && 1 == ~a3~0 && 1 == calculate_output_~input#1) && 1 == ~a1~0) && 1 == ~a25~0) && 18 == ~a4~0); 33067#L82 assume !(!(1 == ~a3~0) && 17 == ~a28~0 && 1 == ~a25~0 && ((5 == calculate_output_~input#1 && (((18 == ~a14~0 && 19 == ~a26~0 && !(1 == ~a7~0)) || (19 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) || (19 == ~a14~0 && 18 == ~a26~0 && 1 == ~a7~0))) && 17 == ~a4~0) && 1 == ~a1~0); 33068#L90 assume !(1 == ~a1~0 && 17 == ~a26~0 && 18 == ~a4~0 && !(1 == ~a7~0) && ((1 == ~a25~0 && 3 == calculate_output_~input#1 && 15 == ~a28~0) && 1 == ~a3~0) && 20 == ~a14~0); 32442#L95 assume !(((((1 == ~a1~0 && (20 == ~a14~0 && 2 == calculate_output_~input#1 && 17 == ~a26~0) && !(1 == ~a7~0)) && 15 == ~a28~0) && 1 == ~a25~0) && 17 == ~a4~0) && !(1 == ~a3~0)); 32443#L102 assume !(17 == ~a28~0 && 17 == ~a4~0 && 1 == ~a25~0 && 1 == ~a3~0 && 20 == ~a14~0 && 1 == ~a1~0 && 6 == calculate_output_~input#1 && (((1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0))) || (!(1 == ~a7~0) && 18 == ~a26~0))); 32680#L109 assume !(((17 == ~a4~0 && (((((!(1 == ~a7~0) && 19 == ~a26~0) && 19 == ~a14~0) || (20 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) && 3 == calculate_output_~input#1) && 15 == ~a28~0) && 1 == ~a25~0) && 1 == ~a3~0) && 1 == ~a1~0); 32811#L115 assume !((16 == ~a28~0 && (!(1 == ~a7~0) && 1 == ~a1~0 && 17 == ~a4~0 && ((18 == ~a26~0 || 19 == ~a26~0) && 5 == calculate_output_~input#1) && !(1 == ~a3~0)) && 18 == ~a14~0) && 1 == ~a25~0); 32988#L122 assume !(1 == ~a25~0 && (1 == ~a1~0 && (1 == ~a7~0 && ((2 == calculate_output_~input#1 && 17 == ~a4~0) && 15 == ~a28~0) && 1 == ~a3~0) && 18 == ~a26~0) && 19 == ~a14~0); 32397#L126 assume !((18 == ~a26~0 && 1 == ~a7~0 && 16 == ~a28~0 && (((1 == ~a25~0 && 2 == calculate_output_~input#1) && 18 == ~a4~0) && 19 == ~a14~0) && 1 == ~a1~0) && !(1 == ~a3~0)); 31896#L131 assume !(18 == ~a4~0 && 1 == ~a7~0 && !(1 == ~a3~0) && 19 == ~a14~0 && (1 == ~a1~0 && 16 == ~a28~0 && 1 == calculate_output_~input#1 && 18 == ~a26~0) && 1 == ~a25~0); 31897#L138 assume !(1 == ~a25~0 && !(1 == ~a3~0) && 16 == ~a28~0 && (((3 == calculate_output_~input#1 && ((!(1 == ~a7~0) && 17 == ~a26~0) || (1 == ~a7~0 && 18 == ~a26~0) || (1 == ~a7~0 && 19 == ~a26~0))) && 20 == ~a14~0) && 1 == ~a1~0) && 17 == ~a4~0); 32375#L146 assume !(17 == ~a4~0 && 1 == ~a25~0 && 20 == ~a14~0 && ((!(1 == ~a3~0) && 5 == calculate_output_~input#1 && (((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (17 == ~a26~0 && !(1 == ~a7~0)))) && 1 == ~a1~0) && 16 == ~a28~0); 32004#L151 assume !(((((((1 == ~a7~0 && (19 == ~a26~0 || 17 == ~a26~0 || 18 == ~a26~0) && 5 == calculate_output_~input#1) && 1 == ~a1~0) && !(1 == ~a3~0)) && 1 == ~a25~0) && 20 == ~a14~0) && 18 == ~a4~0) && 15 == ~a28~0); 32005#L157 assume !((19 == ~a26~0 && 1 == ~a7~0 && (((18 == ~a14~0 && 4 == calculate_output_~input#1 && 1 == ~a1~0) && !(1 == ~a3~0)) && 1 == ~a25~0) && 15 == ~a28~0) && 16 == ~a4~0); 33188#L161 assume !(18 == ~a26~0 && (15 == ~a28~0 && 1 == ~a7~0 && 1 == ~a25~0 && (17 == ~a4~0 && 19 == ~a14~0 && 6 == calculate_output_~input#1) && 1 == ~a3~0) && 1 == ~a1~0); 33405#L165 assume !((20 == ~a14~0 && (15 == ~a28~0 && ((17 == ~a4~0 && 5 == calculate_output_~input#1 && 1 == ~a3~0) && 19 == ~a26~0) && 1 == ~a25~0) && 1 == ~a1~0) && 1 == ~a7~0); 33406#L170 assume !((1 == ~a1~0 && (((19 == ~a14~0 && 4 == calculate_output_~input#1 && ((18 == ~a26~0 && !(1 == ~a7~0)) || (1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0)))) && 16 == ~a28~0) && 16 == ~a4~0) && 1 == ~a25~0) && !(1 == ~a3~0)); 33442#L176 assume !(17 == ~a28~0 && (1 == ~a3~0 && 1 == ~a25~0 && 18 == ~a4~0 && 1 == calculate_output_~input#1 && (((19 == ~a26~0 && !(1 == ~a7~0)) && 19 == ~a14~0) || ((17 == ~a26~0 && 1 == ~a7~0) && 20 == ~a14~0))) && 1 == ~a1~0); 31874#L183 assume !((!(1 == ~a7~0) && ((!(1 == ~a3~0) && (((18 == ~a26~0 || 19 == ~a26~0) && 2 == calculate_output_~input#1) && 1 == ~a1~0) && 18 == ~a14~0) && 1 == ~a25~0) && 16 == ~a4~0) && 16 == ~a28~0); 31875#L189 assume !((1 == ~a1~0 && (20 == ~a14~0 && (17 == ~a28~0 && (((1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0))) || (18 == ~a26~0 && !(1 == ~a7~0))) && 3 == calculate_output_~input#1) && 17 == ~a4~0) && 1 == ~a3~0) && 1 == ~a25~0); 32071#L195 assume !((1 == ~a25~0 && 16 == ~a28~0 && (1 == ~a1~0 && ((((18 == ~a26~0 && !(1 == ~a7~0)) && 19 == ~a14~0) || ((19 == ~a26~0 && !(1 == ~a7~0)) && 19 == ~a14~0)) || (20 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) && 5 == calculate_output_~input#1) && 1 == ~a3~0) && 17 == ~a4~0); 32072#L202 assume 1 == ~a1~0 && 16 == ~a4~0 && ((((((17 == ~a26~0 || 18 == ~a26~0) && 3 == calculate_output_~input#1) && 16 == ~a28~0) && 1 == ~a7~0) && 1 == ~a25~0) && !(1 == ~a3~0)) && 19 == ~a14~0;~a3~0 := 1;~a28~0 := 15;~a14~0 := 18;~a26~0 := 17;calculate_output_#res#1 := -1; 31822#L1382 main_#t~ret13#1 := calculate_output_#res#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1; 36213#L4826-2 assume !false;havoc main_~input~0#1;main_~input~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 36212#L4831 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 36210#L50 assume !((1 == ~a25~0 && 1 == ~a1~0 && 5 == calculate_output_~input#1 && (((((17 == ~a4~0 && 19 == ~a26~0) && 17 == ~a28~0) && !(1 == ~a7~0)) && 20 == ~a14~0) || ((1 == ~a7~0 && (17 == ~a26~0 && 18 == ~a4~0) && 15 == ~a28~0) && 18 == ~a14~0))) && 1 == ~a3~0); 36208#L57 assume !((1 == ~a25~0 && (16 == ~a28~0 && 17 == ~a4~0 && 1 == ~a1~0 && (((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (!(1 == ~a7~0) && 17 == ~a26~0)) && 4 == calculate_output_~input#1) && !(1 == ~a3~0)) && 20 == ~a14~0); 36206#L62 assume !(17 == ~a28~0 && 1 == ~a1~0 && 1 == ~a25~0 && 1 == ~a7~0 && 17 == ~a4~0 && (18 == ~a14~0 && 4 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && !(1 == ~a3~0)); 36205#L68 assume !(!(1 == ~a7~0) && !(1 == ~a3~0) && (16 == ~a28~0 && 1 == ~a25~0 && 17 == ~a4~0 && ((17 == ~a26~0 || 18 == ~a26~0) && 6 == calculate_output_~input#1) && 1 == ~a1~0) && 19 == ~a14~0); 36204#L76 assume !(16 == ~a28~0 && ((18 == ~a14~0 && (!(1 == ~a7~0) && 18 == ~a26~0 && 1 == ~a3~0 && 1 == calculate_output_~input#1) && 1 == ~a1~0) && 1 == ~a25~0) && 18 == ~a4~0); 36202#L82 assume !(!(1 == ~a3~0) && 17 == ~a28~0 && 1 == ~a25~0 && ((5 == calculate_output_~input#1 && (((18 == ~a14~0 && 19 == ~a26~0 && !(1 == ~a7~0)) || (19 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) || (19 == ~a14~0 && 18 == ~a26~0 && 1 == ~a7~0))) && 17 == ~a4~0) && 1 == ~a1~0); 36200#L90 assume !(1 == ~a1~0 && 17 == ~a26~0 && 18 == ~a4~0 && !(1 == ~a7~0) && ((1 == ~a25~0 && 3 == calculate_output_~input#1 && 15 == ~a28~0) && 1 == ~a3~0) && 20 == ~a14~0); 36198#L95 assume !(((((1 == ~a1~0 && (20 == ~a14~0 && 2 == calculate_output_~input#1 && 17 == ~a26~0) && !(1 == ~a7~0)) && 15 == ~a28~0) && 1 == ~a25~0) && 17 == ~a4~0) && !(1 == ~a3~0)); 36188#L102 assume !(17 == ~a28~0 && 17 == ~a4~0 && 1 == ~a25~0 && 1 == ~a3~0 && 20 == ~a14~0 && 1 == ~a1~0 && 6 == calculate_output_~input#1 && (((1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0))) || (!(1 == ~a7~0) && 18 == ~a26~0))); 36185#L109 assume !(((17 == ~a4~0 && (((((!(1 == ~a7~0) && 19 == ~a26~0) && 19 == ~a14~0) || (20 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) && 3 == calculate_output_~input#1) && 15 == ~a28~0) && 1 == ~a25~0) && 1 == ~a3~0) && 1 == ~a1~0); 36183#L115 assume !((16 == ~a28~0 && (!(1 == ~a7~0) && 1 == ~a1~0 && 17 == ~a4~0 && ((18 == ~a26~0 || 19 == ~a26~0) && 5 == calculate_output_~input#1) && !(1 == ~a3~0)) && 18 == ~a14~0) && 1 == ~a25~0); 36181#L122 assume !(1 == ~a25~0 && (1 == ~a1~0 && (1 == ~a7~0 && ((2 == calculate_output_~input#1 && 17 == ~a4~0) && 15 == ~a28~0) && 1 == ~a3~0) && 18 == ~a26~0) && 19 == ~a14~0); 36179#L126 assume !((18 == ~a26~0 && 1 == ~a7~0 && 16 == ~a28~0 && (((1 == ~a25~0 && 2 == calculate_output_~input#1) && 18 == ~a4~0) && 19 == ~a14~0) && 1 == ~a1~0) && !(1 == ~a3~0)); 36177#L131 assume !(18 == ~a4~0 && 1 == ~a7~0 && !(1 == ~a3~0) && 19 == ~a14~0 && (1 == ~a1~0 && 16 == ~a28~0 && 1 == calculate_output_~input#1 && 18 == ~a26~0) && 1 == ~a25~0); 36175#L138 assume !(1 == ~a25~0 && !(1 == ~a3~0) && 16 == ~a28~0 && (((3 == calculate_output_~input#1 && ((!(1 == ~a7~0) && 17 == ~a26~0) || (1 == ~a7~0 && 18 == ~a26~0) || (1 == ~a7~0 && 19 == ~a26~0))) && 20 == ~a14~0) && 1 == ~a1~0) && 17 == ~a4~0); 36173#L146 assume !(17 == ~a4~0 && 1 == ~a25~0 && 20 == ~a14~0 && ((!(1 == ~a3~0) && 5 == calculate_output_~input#1 && (((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (17 == ~a26~0 && !(1 == ~a7~0)))) && 1 == ~a1~0) && 16 == ~a28~0); 36171#L151 assume !(((((((1 == ~a7~0 && (19 == ~a26~0 || 17 == ~a26~0 || 18 == ~a26~0) && 5 == calculate_output_~input#1) && 1 == ~a1~0) && !(1 == ~a3~0)) && 1 == ~a25~0) && 20 == ~a14~0) && 18 == ~a4~0) && 15 == ~a28~0); 36169#L157 assume !((19 == ~a26~0 && 1 == ~a7~0 && (((18 == ~a14~0 && 4 == calculate_output_~input#1 && 1 == ~a1~0) && !(1 == ~a3~0)) && 1 == ~a25~0) && 15 == ~a28~0) && 16 == ~a4~0); 36167#L161 assume !(18 == ~a26~0 && (15 == ~a28~0 && 1 == ~a7~0 && 1 == ~a25~0 && (17 == ~a4~0 && 19 == ~a14~0 && 6 == calculate_output_~input#1) && 1 == ~a3~0) && 1 == ~a1~0); 36165#L165 assume !((20 == ~a14~0 && (15 == ~a28~0 && ((17 == ~a4~0 && 5 == calculate_output_~input#1 && 1 == ~a3~0) && 19 == ~a26~0) && 1 == ~a25~0) && 1 == ~a1~0) && 1 == ~a7~0); 36163#L170 assume !((1 == ~a1~0 && (((19 == ~a14~0 && 4 == calculate_output_~input#1 && ((18 == ~a26~0 && !(1 == ~a7~0)) || (1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0)))) && 16 == ~a28~0) && 16 == ~a4~0) && 1 == ~a25~0) && !(1 == ~a3~0)); 36161#L176 assume !(17 == ~a28~0 && (1 == ~a3~0 && 1 == ~a25~0 && 18 == ~a4~0 && 1 == calculate_output_~input#1 && (((19 == ~a26~0 && !(1 == ~a7~0)) && 19 == ~a14~0) || ((17 == ~a26~0 && 1 == ~a7~0) && 20 == ~a14~0))) && 1 == ~a1~0); 36159#L183 assume !((!(1 == ~a7~0) && ((!(1 == ~a3~0) && (((18 == ~a26~0 || 19 == ~a26~0) && 2 == calculate_output_~input#1) && 1 == ~a1~0) && 18 == ~a14~0) && 1 == ~a25~0) && 16 == ~a4~0) && 16 == ~a28~0); 36157#L189 assume !((1 == ~a1~0 && (20 == ~a14~0 && (17 == ~a28~0 && (((1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0))) || (18 == ~a26~0 && !(1 == ~a7~0))) && 3 == calculate_output_~input#1) && 17 == ~a4~0) && 1 == ~a3~0) && 1 == ~a25~0); 36155#L195 assume !((1 == ~a25~0 && 16 == ~a28~0 && (1 == ~a1~0 && ((((18 == ~a26~0 && !(1 == ~a7~0)) && 19 == ~a14~0) || ((19 == ~a26~0 && !(1 == ~a7~0)) && 19 == ~a14~0)) || (20 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) && 5 == calculate_output_~input#1) && 1 == ~a3~0) && 17 == ~a4~0); 36153#L202 assume !(1 == ~a1~0 && 16 == ~a4~0 && ((((((17 == ~a26~0 || 18 == ~a26~0) && 3 == calculate_output_~input#1) && 16 == ~a28~0) && 1 == ~a7~0) && 1 == ~a25~0) && !(1 == ~a3~0)) && 19 == ~a14~0); 36151#L208 assume !(16 == ~a4~0 && 1 == ~a25~0 && 17 == ~a28~0 && ((19 == ~a14~0 && (1 == calculate_output_~input#1 && (18 == ~a26~0 || 19 == ~a26~0)) && 1 == ~a7~0) && !(1 == ~a3~0)) && 1 == ~a1~0); 36149#L214 assume !(1 == ~a25~0 && (((1 == ~a3~0 && ((((19 == ~a26~0 && !(1 == ~a7~0)) && 19 == ~a14~0) || (20 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) || ((1 == ~a7~0 && 18 == ~a26~0) && 20 == ~a14~0)) && 3 == calculate_output_~input#1) && 15 == ~a28~0) && 1 == ~a1~0) && 18 == ~a4~0); 36147#L220 assume !(16 == ~a28~0 && 1 == ~a3~0 && 19 == ~a14~0 && ((18 == ~a4~0 && !(1 == ~a7~0) && 5 == calculate_output_~input#1 && (18 == ~a26~0 || 19 == ~a26~0)) && 1 == ~a25~0) && 1 == ~a1~0); 36145#L227 assume !((!(1 == ~a3~0) && ((((((1 == ~a7~0 && 19 == ~a26~0) || (!(1 == ~a7~0) && 17 == ~a26~0)) && 2 == calculate_output_~input#1) && 17 == ~a4~0) && 1 == ~a25~0) && 15 == ~a28~0) && 19 == ~a14~0) && 1 == ~a1~0); 36144#L234 assume !(((17 == ~a28~0 && (((2 == calculate_output_~input#1 && (((18 == ~a26~0 && 1 == ~a7~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (!(1 == ~a7~0) && 17 == ~a26~0))) && 18 == ~a14~0) && 1 == ~a25~0) && 18 == ~a4~0) && 1 == ~a3~0) && 1 == ~a1~0); 36143#L240 assume !((((1 == ~a3~0 && (1 == ~a25~0 && (4 == calculate_output_~input#1 && 1 == ~a7~0) && 20 == ~a14~0) && 1 == ~a1~0) && 17 == ~a4~0) && 17 == ~a28~0) && 18 == ~a26~0); 36141#L246 assume !(1 == ~a1~0 && 18 == ~a4~0 && ((!(1 == ~a7~0) && 19 == ~a14~0 && (5 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && 1 == ~a25~0) && 15 == ~a28~0) && 1 == ~a3~0); 36139#L252 assume !(1 == ~a25~0 && 18 == ~a4~0 && 1 == ~a1~0 && 16 == ~a28~0 && ((2 == calculate_output_~input#1 && ((!(1 == ~a7~0) && 18 == ~a26~0) || (1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0)))) && 18 == ~a14~0) && !(1 == ~a3~0)); 36137#L259 assume !((18 == ~a4~0 && (16 == ~a28~0 && 1 == ~a3~0 && 18 == ~a14~0 && ((!(1 == ~a7~0) && 17 == ~a26~0) || (18 == ~a26~0 && 1 == ~a7~0) || (1 == ~a7~0 && 19 == ~a26~0)) && 2 == calculate_output_~input#1) && 1 == ~a1~0) && 1 == ~a25~0); 36135#L265 assume !((!(1 == ~a7~0) && 16 == ~a28~0 && 1 == ~a25~0 && 1 == ~a1~0 && !(1 == ~a3~0) && (5 == calculate_output_~input#1 && 19 == ~a14~0) && 18 == ~a26~0) && 18 == ~a4~0); 36133#L270 assume !(((((15 == ~a28~0 && (1 == ~a1~0 && 2 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && !(1 == ~a3~0)) && 1 == ~a25~0) && 19 == ~a14~0) && 1 == ~a7~0) && 16 == ~a4~0); 36132#L275 assume !((((((!(1 == ~a7~0) && 20 == ~a14~0 && (17 == ~a26~0 || 18 == ~a26~0) && 6 == calculate_output_~input#1) && 1 == ~a25~0) && 16 == ~a4~0) && 1 == ~a1~0) && !(1 == ~a3~0)) && 15 == ~a28~0); 36131#L278 assume !(19 == ~a14~0 && 19 == ~a26~0 && 15 == ~a28~0 && (16 == ~a4~0 && !(1 == ~a3~0) && (1 == ~a25~0 && 2 == calculate_output_~input#1) && !(1 == ~a7~0)) && 1 == ~a1~0); 36129#L284 assume !((((1 == ~a25~0 && 18 == ~a4~0 && ((((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (17 == ~a26~0 && !(1 == ~a7~0))) && 4 == calculate_output_~input#1) && 18 == ~a14~0) && 17 == ~a28~0) && 1 == ~a3~0) && 1 == ~a1~0); 36128#L290 assume !((16 == ~a28~0 && ((19 == ~a14~0 && ((((1 == ~a7~0 && 18 == ~a26~0) || (1 == ~a7~0 && 19 == ~a26~0)) || (!(1 == ~a7~0) && 17 == ~a26~0)) && 1 == calculate_output_~input#1) && 1 == ~a3~0) && 1 == ~a25~0) && 1 == ~a1~0) && 17 == ~a4~0); 36127#L297 assume !(1 == ~a25~0 && ((((15 == ~a28~0 && (6 == calculate_output_~input#1 && 19 == ~a14~0) && 18 == ~a26~0) && !(1 == ~a7~0)) && 17 == ~a4~0) && 1 == ~a1~0) && !(1 == ~a3~0)); 36125#L304 assume !(1 == ~a3~0 && (((4 == calculate_output_~input#1 && ((18 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0 && 16 == ~a28~0) || (20 == ~a14~0 && (18 == ~a26~0 && 15 == ~a28~0) && !(1 == ~a7~0)) || ((!(1 == ~a7~0) && 19 == ~a26~0 && 15 == ~a28~0) && 20 == ~a14~0))) && 1 == ~a1~0) && 1 == ~a25~0) && 18 == ~a4~0); 36123#L312 assume !(20 == ~a14~0 && 1 == ~a25~0 && (1 == ~a7~0 && ((16 == ~a4~0 && 5 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && 1 == ~a1~0) && !(1 == ~a3~0)) && 15 == ~a28~0); 36121#L317 assume !(!(1 == ~a3~0) && (1 == ~a25~0 && 17 == ~a28~0 && (5 == calculate_output_~input#1 && ((20 == ~a14~0 && 18 == ~a26~0 && 1 == ~a7~0) || ((!(1 == ~a7~0) && 19 == ~a26~0) && 19 == ~a14~0) || (20 == ~a14~0 && 17 == ~a26~0 && 1 == ~a7~0))) && 16 == ~a4~0) && 1 == ~a1~0); 36119#L324 assume !(18 == ~a14~0 && 16 == ~a28~0 && ((((!(1 == ~a7~0) && 6 == calculate_output_~input#1 && (18 == ~a26~0 || 19 == ~a26~0)) && 16 == ~a4~0) && !(1 == ~a3~0)) && 1 == ~a1~0) && 1 == ~a25~0); 36117#L329 assume !(18 == ~a4~0 && 17 == ~a26~0 && 1 == ~a25~0 && 1 == ~a1~0 && ((1 == ~a7~0 && 16 == ~a28~0 && 6 == calculate_output_~input#1) && 20 == ~a14~0) && 1 == ~a3~0); 36115#L333 assume !((1 == ~a25~0 && 16 == ~a28~0 && !(1 == ~a3~0) && 16 == ~a4~0 && (1 == calculate_output_~input#1 && ((1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0)))) && 1 == ~a1~0) && 20 == ~a14~0); 36113#L340 assume !(1 == ~a1~0 && 1 == ~a3~0 && (20 == ~a14~0 && 16 == ~a28~0 && (3 == calculate_output_~input#1 && (((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (17 == ~a26~0 && !(1 == ~a7~0)))) && 1 == ~a25~0) && 18 == ~a4~0); 36111#L347 assume !(((18 == ~a4~0 && ((6 == calculate_output_~input#1 && ((18 == ~a14~0 && !(1 == ~a7~0) && 19 == ~a26~0) || (19 == ~a14~0 && 17 == ~a26~0 && 1 == ~a7~0))) && 1 == ~a1~0) && !(1 == ~a3~0)) && 1 == ~a25~0) && 16 == ~a28~0); 36109#L355 assume !(1 == ~a7~0 && 1 == ~a25~0 && ((1 == ~a1~0 && (17 == ~a28~0 && 2 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && 18 == ~a14~0) && 18 == ~a4~0) && !(1 == ~a3~0)); 36107#L362 assume !(((((16 == ~a28~0 && 1 == ~a25~0 && 6 == calculate_output_~input#1 && ((17 == ~a26~0 && !(1 == ~a7~0)) || (18 == ~a26~0 && 1 == ~a7~0) || (1 == ~a7~0 && 19 == ~a26~0))) && 1 == ~a1~0) && 1 == ~a3~0) && 19 == ~a14~0) && 18 == ~a4~0); 36105#L369 assume !((19 == ~a14~0 && 1 == ~a25~0 && (!(1 == ~a7~0) && 16 == ~a28~0 && 17 == ~a4~0 && 3 == calculate_output_~input#1 && !(1 == ~a3~0)) && 19 == ~a26~0) && 1 == ~a1~0); 36103#L377 assume !(((1 == ~a1~0 && ((1 == ~a3~0 && 19 == ~a14~0 && 2 == calculate_output_~input#1 && 18 == ~a4~0) && 1 == ~a7~0) && 15 == ~a28~0) && 18 == ~a26~0) && 1 == ~a25~0); 36101#L382 assume !(16 == ~a4~0 && (!(1 == ~a3~0) && 19 == ~a14~0 && 1 == ~a1~0 && (((17 == ~a26~0 || 18 == ~a26~0) && 4 == calculate_output_~input#1) && 15 == ~a28~0) && !(1 == ~a7~0)) && 1 == ~a25~0); 36099#L387 assume !(((((18 == ~a14~0 && ((1 == calculate_output_~input#1 && 1 == ~a3~0) && 17 == ~a28~0) && 18 == ~a4~0) && !(1 == ~a7~0)) && 18 == ~a26~0) && 1 == ~a1~0) && 1 == ~a25~0); 36097#L393 assume !(1 == ~a7~0 && 19 == ~a26~0 && 1 == ~a1~0 && 19 == ~a14~0 && 1 == ~a25~0 && 15 == ~a28~0 && 16 == ~a4~0 && !(1 == ~a3~0) && 5 == calculate_output_~input#1); 36095#L398 assume !(!(1 == ~a7~0) && (1 == ~a1~0 && ((!(1 == ~a3~0) && 18 == ~a14~0 && 6 == calculate_output_~input#1 && (19 == ~a26~0 || 17 == ~a26~0 || 18 == ~a26~0)) && 16 == ~a4~0) && 1 == ~a25~0) && 15 == ~a28~0); 36093#L403 assume !(16 == ~a4~0 && (!(1 == ~a3~0) && 20 == ~a14~0 && ((((17 == ~a26~0 || 18 == ~a26~0) && 4 == calculate_output_~input#1) && 15 == ~a28~0) && 1 == ~a25~0) && 1 == ~a1~0) && !(1 == ~a7~0)); 36091#L411 assume !((16 == ~a4~0 && ((19 == ~a14~0 && 1 == ~a7~0 && (1 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && !(1 == ~a3~0)) && 1 == ~a25~0) && 1 == ~a1~0) && 15 == ~a28~0); 36089#L416 assume !((((19 == ~a26~0 && 18 == ~a4~0 && (!(1 == ~a7~0) && 16 == ~a28~0 && 2 == calculate_output_~input#1) && 1 == ~a1~0) && 18 == ~a14~0) && 1 == ~a25~0) && 1 == ~a3~0); 36087#L422 assume !(((1 == ~a1~0 && 17 == ~a28~0 && 20 == ~a14~0 && 1 == ~a3~0 && (((19 == ~a26~0 && 1 == ~a7~0) || (!(1 == ~a7~0) && 17 == ~a26~0)) || (18 == ~a26~0 && !(1 == ~a7~0))) && 5 == calculate_output_~input#1) && 17 == ~a4~0) && 1 == ~a25~0); 36085#L429 assume !((1 == ~a25~0 && 18 == ~a4~0 && ((1 == ~a7~0 && (6 == calculate_output_~input#1 && 1 == ~a3~0) && 1 == ~a1~0) && 19 == ~a14~0) && 17 == ~a26~0) && 16 == ~a28~0); 36083#L434 assume !(((1 == ~a1~0 && (((((18 == ~a26~0 || 19 == ~a26~0) && 4 == calculate_output_~input#1) && 1 == ~a25~0) && !(1 == ~a3~0)) && 18 == ~a14~0) && 16 == ~a28~0) && !(1 == ~a7~0)) && 16 == ~a4~0); 36081#L440 assume !(1 == ~a1~0 && (19 == ~a14~0 && ((1 == ~a7~0 && (6 == calculate_output_~input#1 && (18 == ~a26~0 || 19 == ~a26~0)) && 17 == ~a28~0) && !(1 == ~a3~0)) && 1 == ~a25~0) && 16 == ~a4~0); 36080#L446 assume !(((1 == ~a25~0 && ((1 == ~a7~0 && (2 == calculate_output_~input#1 && 20 == ~a14~0) && 17 == ~a4~0) && 15 == ~a28~0) && 18 == ~a26~0) && 1 == ~a1~0) && 1 == ~a3~0); 35438#L450 assume !(((1 == ~a1~0 && 20 == ~a14~0 && (!(1 == ~a7~0) && (15 == ~a28~0 && 5 == calculate_output_~input#1) && 17 == ~a26~0) && 1 == ~a25~0) && 1 == ~a3~0) && 17 == ~a4~0); 35439#L454 assume !(1 == ~a1~0 && 17 == ~a4~0 && 1 == ~a25~0 && 16 == ~a28~0 && !(1 == ~a7~0) && (!(1 == ~a3~0) && (18 == ~a26~0 || 19 == ~a26~0) && 5 == calculate_output_~input#1) && 20 == ~a14~0); 35440#L457 assume !((19 == ~a14~0 && 1 == ~a3~0 && 1 == ~a1~0 && (1 == ~a25~0 && ((!(1 == ~a7~0) && 17 == ~a26~0) || (18 == ~a26~0 && 1 == ~a7~0) || (19 == ~a26~0 && 1 == ~a7~0)) && 1 == calculate_output_~input#1) && 18 == ~a4~0) && 17 == ~a28~0); 36390#L464 assume !(16 == ~a28~0 && (1 == ~a1~0 && 17 == ~a4~0 && 1 == ~a3~0 && 1 == ~a25~0 && 6 == calculate_output_~input#1 && ((17 == ~a26~0 && !(1 == ~a7~0)) || (1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0))) && 20 == ~a14~0); 35452#L471 assume !((1 == ~a25~0 && ((1 == ~a1~0 && ((6 == calculate_output_~input#1 && (18 == ~a26~0 || 19 == ~a26~0)) && 18 == ~a4~0) && 20 == ~a14~0) && !(1 == ~a7~0)) && 15 == ~a28~0) && !(1 == ~a3~0)); 35453#L477 assume !(16 == ~a28~0 && (((16 == ~a4~0 && 1 == ~a7~0 && (6 == calculate_output_~input#1 && 18 == ~a14~0) && !(1 == ~a3~0)) && 1 == ~a25~0) && 1 == ~a1~0) && 18 == ~a26~0); 35989#L482 assume !((15 == ~a28~0 && 1 == ~a1~0 && 16 == ~a4~0 && !(1 == ~a3~0) && (((17 == ~a26~0 || 18 == ~a26~0) && 1 == calculate_output_~input#1) && 1 == ~a25~0) && 20 == ~a14~0) && 1 == ~a7~0); 35988#L488 assume !(1 == ~a1~0 && 15 == ~a28~0 && (17 == ~a4~0 && (19 == ~a26~0 && (19 == ~a14~0 && 4 == calculate_output_~input#1) && 1 == ~a25~0) && !(1 == ~a3~0)) && !(1 == ~a7~0)); 35986#L495 assume !(19 == ~a14~0 && (1 == ~a7~0 && ((((18 == ~a4~0 && 4 == calculate_output_~input#1) && 18 == ~a26~0) && 15 == ~a28~0) && 1 == ~a25~0) && 1 == ~a1~0) && 1 == ~a3~0); 35984#L500 assume !(((1 == ~a1~0 && 16 == ~a28~0 && 1 == ~a7~0 && 18 == ~a4~0 && !(1 == ~a3~0) && (17 == ~a26~0 || 18 == ~a26~0) && 6 == calculate_output_~input#1) && 1 == ~a25~0) && 18 == ~a14~0); 35982#L506 assume !((16 == ~a4~0 && (1 == ~a1~0 && 18 == ~a26~0 && (!(1 == ~a3~0) && 1 == ~a25~0 && 3 == calculate_output_~input#1) && 18 == ~a14~0) && 1 == ~a7~0) && 16 == ~a28~0); 35980#L511 assume 17 == ~a28~0 && 19 == ~a14~0 && 18 == ~a26~0 && !(1 == ~a7~0) && 1 == ~a25~0 && ((3 == calculate_output_~input#1 && 1 == ~a3~0) && 18 == ~a4~0) && 1 == ~a1~0;~a7~0 := 1;calculate_output_#res#1 := 26; 33179#L1382 main_#t~ret13#1 := calculate_output_#res#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1; 33180#L4826-2 assume !false;havoc main_~input~0#1;main_~input~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 32469#L4831 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 32470#L50 [2022-10-17 10:38:55,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:38:55,040 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2022-10-17 10:38:55,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:38:55,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942235716] [2022-10-17 10:38:55,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:38:55,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:38:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:38:55,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:38:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:38:55,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:38:55,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:38:55,058 INFO L85 PathProgramCache]: Analyzing trace with hash -4199969, now seen corresponding path program 1 times [2022-10-17 10:38:55,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:38:55,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850799822] [2022-10-17 10:38:55,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:38:55,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:38:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:38:55,344 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:38:55,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:38:55,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850799822] [2022-10-17 10:38:55,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850799822] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:38:55,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:38:55,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:38:55,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589383183] [2022-10-17 10:38:55,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:38:55,346 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:38:55,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:38:55,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:38:55,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:38:55,347 INFO L87 Difference]: Start difference. First operand 14783 states and 21610 transitions. cyclomatic complexity: 6836 Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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)