./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label40.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_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/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_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label40.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/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_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/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 9005e47eff02cd28b8cdb6ee0036619b81e539a2856b78d1bb6a3108b4965269 --- 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 10:28:42,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:28:42,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:28:42,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:28:42,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:28:42,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:28:42,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:28:42,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:28:42,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:28:42,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:28:42,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:28:42,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:28:42,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:28:42,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:28:42,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:28:42,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:28:42,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:28:42,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:28:42,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:28:42,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:28:42,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:28:42,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:28:42,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:28:42,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:28:42,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:28:42,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:28:42,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:28:42,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:28:42,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:28:42,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:28:42,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:28:42,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:28:42,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:28:42,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:28:42,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:28:42,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:28:42,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:28:42,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:28:42,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:28:42,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:28:42,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:28:42,990 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:28:43,057 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:28:43,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:28:43,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:28:43,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:28:43,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:28:43,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:28:43,061 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:28:43,061 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:28:43,062 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:28:43,062 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:28:43,063 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:28:43,064 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:28:43,064 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:28:43,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:28:43,065 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:28:43,065 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:28:43,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:28:43,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:28:43,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:28:43,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:28:43,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:28:43,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:28:43,067 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:28:43,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:28:43,068 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:28:43,083 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:28:43,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:28:43,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:28:43,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:28:43,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:28:43,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:28:43,086 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:28:43,086 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_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9005e47eff02cd28b8cdb6ee0036619b81e539a2856b78d1bb6a3108b4965269 [2022-10-17 10:28:43,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:28:43,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:28:43,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:28:43,395 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:28:43,396 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:28:43,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/eca-rers2012/Problem04_label40.c [2022-10-17 10:28:43,468 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/data/96a4286bb/0b80c2ac5fb24a95865255dfb3829edc/FLAGaee1cdc92 [2022-10-17 10:28:44,368 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:28:44,370 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/sv-benchmarks/c/eca-rers2012/Problem04_label40.c [2022-10-17 10:28:44,416 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/data/96a4286bb/0b80c2ac5fb24a95865255dfb3829edc/FLAGaee1cdc92 [2022-10-17 10:28:44,827 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/data/96a4286bb/0b80c2ac5fb24a95865255dfb3829edc [2022-10-17 10:28:44,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:28:44,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:28:44,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:28:44,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:28:44,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:28:44,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:28:44" (1/1) ... [2022-10-17 10:28:44,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2636f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:44, skipping insertion in model container [2022-10-17 10:28:44,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:28:44" (1/1) ... [2022-10-17 10:28:44,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:28:45,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:28:46,598 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_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/sv-benchmarks/c/eca-rers2012/Problem04_label40.c[177324,177337] [2022-10-17 10:28:46,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:28:46,665 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:28:47,365 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_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/sv-benchmarks/c/eca-rers2012/Problem04_label40.c[177324,177337] [2022-10-17 10:28:47,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:28:47,410 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:28:47,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:47 WrapperNode [2022-10-17 10:28:47,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:28:47,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:28:47,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:28:47,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:28:47,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:47" (1/1) ... [2022-10-17 10:28:47,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:47" (1/1) ... [2022-10-17 10:28:47,736 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5567 [2022-10-17 10:28:47,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:28:47,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:28:47,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:28:47,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:28:47,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:47" (1/1) ... [2022-10-17 10:28:47,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:47" (1/1) ... [2022-10-17 10:28:47,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:47" (1/1) ... [2022-10-17 10:28:47,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:47" (1/1) ... [2022-10-17 10:28:47,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:47" (1/1) ... [2022-10-17 10:28:47,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:47" (1/1) ... [2022-10-17 10:28:47,940 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:47" (1/1) ... [2022-10-17 10:28:47,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:47" (1/1) ... [2022-10-17 10:28:48,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:28:48,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:28:48,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:28:48,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:28:48,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:47" (1/1) ... [2022-10-17 10:28:48,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:28:48,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:28:48,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:28:48,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:28:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:28:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:28:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:28:48,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:28:48,287 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:28:48,316 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:28:53,439 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:28:53,462 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:28:53,463 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:28:53,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:28:53 BoogieIcfgContainer [2022-10-17 10:28:53,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:28:53,468 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:28:53,468 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:28:53,473 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:28:53,474 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:28:53,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:28:44" (1/3) ... [2022-10-17 10:28:53,475 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58be5703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:28:53, skipping insertion in model container [2022-10-17 10:28:53,475 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:28:53,476 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:47" (2/3) ... [2022-10-17 10:28:53,476 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58be5703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:28:53, skipping insertion in model container [2022-10-17 10:28:53,476 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:28:53,476 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:28:53" (3/3) ... [2022-10-17 10:28:53,478 INFO L332 chiAutomizerObserver]: Analyzing ICFG Problem04_label40.c [2022-10-17 10:28:53,556 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:28:53,556 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:28:53,556 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:28:53,556 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:28:53,556 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:28:53,557 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:28:53,557 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:28:53,557 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:28:53,566 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 10:28:53,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 879 [2022-10-17 10:28:53,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:28:53,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:28:53,642 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:28:53,642 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-10-17 10:28:53,642 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:28:53,645 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 10:28:53,662 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 879 [2022-10-17 10:28:53,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:28:53,662 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:28:53,666 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:28:53,667 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-10-17 10:28:53,675 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 10:28:53,675 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 10:28:53,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:28:53,682 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-10-17 10:28:53,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:28:53,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894121256] [2022-10-17 10:28:53,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:53,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:28:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:28:53,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:28:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:28:53,830 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:28:53,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:28:53,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1271450, now seen corresponding path program 1 times [2022-10-17 10:28:53,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:28:53,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067001810] [2022-10-17 10:28:53,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:53,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:28:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:28:53,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:28:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:28:53,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:28:53,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:28:53,872 INFO L85 PathProgramCache]: Analyzing trace with hash 889698652, now seen corresponding path program 1 times [2022-10-17 10:28:53,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:28:53,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54007710] [2022-10-17 10:28:53,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:53,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:28:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:54,075 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 10:28:54,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:28:54,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54007710] [2022-10-17 10:28:54,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54007710] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:28:54,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:28:54,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:28:54,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456745674] [2022-10-17 10:28:54,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:28:54,409 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:28:54,410 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:28:54,410 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:28:54,410 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:28:54,411 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:28:54,411 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:28:54,411 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:28:54,411 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:28:54,411 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem04_label40.c_Iteration1_Loop [2022-10-17 10:28:54,412 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:28:54,412 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:28:54,443 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 10:28:54,587 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 10:28:54,591 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 10:28:54,593 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 10:28:54,597 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 10:28:54,603 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 10:28:54,613 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 10:28:54,616 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 10:28:54,747 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-10-17 10:28:55,123 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:28:55,124 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:28:55,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:28:55,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:28:55,129 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:28:55,134 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:28:55,134 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:28:55,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:28:55,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:28:55,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:28:55,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:28:55,217 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:28:55,223 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:28:55,223 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:28:55,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:28:55,378 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:28:55,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:28:55,387 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:28:55,387 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:28:55,387 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:28:55,387 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:28:55,387 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:28:55,387 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:28:55,387 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:28:55,388 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:28:55,388 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem04_label40.c_Iteration1_Loop [2022-10-17 10:28:55,388 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:28:55,388 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:28:55,391 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 10:28:55,548 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 10:28:55,551 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 10:28:55,555 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 10:28:55,559 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 10:28:55,565 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 10:28:55,575 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 10:28:55,578 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 10:28:55,728 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-10-17 10:28:56,155 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:28:56,163 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:28:56,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:28:56,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:28:56,167 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:28:56,282 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 10:28:56,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:28:56,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:28:56,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:28:56,295 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-10-17 10:28:56,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:28:56,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:28:56,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:28:56,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:28:56,341 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:28:56,381 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:28:56,381 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-10-17 10:28:56,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:28:56,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:28:56,386 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:28:56,414 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:28:56,414 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:28:56,415 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:28:56,415 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a4~0) = 1*~a4~0 Supporting invariants [] [2022-10-17 10:28:56,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:28:56,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:28:56,462 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:28:56,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:28:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:56,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:28:56,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:28:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:56,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:28:56,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:28:56,652 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 10:28:56,691 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 10:28:56,696 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 10:29:00,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-10-17 10:29:00,588 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 10:29:00,590 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 10:29:00,595 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 10:29:00,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3356 transitions. [2022-10-17 10:29:00,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 3356 transitions. Stem has 2 letters. Loop has 4 letters. [2022-10-17 10:29:00,604 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:29:00,604 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 3356 transitions. Stem has 6 letters. Loop has 4 letters. [2022-10-17 10:29:00,605 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:29:00,605 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 3356 transitions. Stem has 2 letters. Loop has 8 letters. [2022-10-17 10:29:00,605 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:29:00,606 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3540 states and 6267 transitions. [2022-10-17 10:29:00,642 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1697 [2022-10-17 10:29:00,672 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3540 states to 2527 states and 4373 transitions. [2022-10-17 10:29:00,673 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1700 [2022-10-17 10:29:00,676 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1705 [2022-10-17 10:29:00,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2527 states and 4373 transitions. [2022-10-17 10:29:00,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:29:00,677 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2527 states and 4373 transitions. [2022-10-17 10:29:00,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2527 states and 4373 transitions. [2022-10-17 10:29:00,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2527 to 2522. [2022-10-17 10:29:00,788 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 10:29:00,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 4368 transitions. [2022-10-17 10:29:00,802 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2522 states and 4368 transitions. [2022-10-17 10:29:00,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:29:00,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:29:00,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:29:00,808 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 10:29:04,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:29:04,740 INFO L93 Difference]: Finished difference Result 4980 states and 7611 transitions. [2022-10-17 10:29:04,740 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4980 states and 7611 transitions. [2022-10-17 10:29:04,781 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3272 [2022-10-17 10:29:04,824 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4980 states to 4919 states and 7531 transitions. [2022-10-17 10:29:04,824 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3275 [2022-10-17 10:29:04,828 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3275 [2022-10-17 10:29:04,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4919 states and 7531 transitions. [2022-10-17 10:29:04,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:29:04,829 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4919 states and 7531 transitions. [2022-10-17 10:29:04,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4919 states and 7531 transitions. [2022-10-17 10:29:04,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4919 to 4919. [2022-10-17 10:29:04,927 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 10:29:04,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4919 states to 4919 states and 7531 transitions. [2022-10-17 10:29:04,949 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4919 states and 7531 transitions. [2022-10-17 10:29:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:29:04,951 INFO L428 stractBuchiCegarLoop]: Abstraction has 4919 states and 7531 transitions. [2022-10-17 10:29:04,951 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:29:04,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4919 states and 7531 transitions. [2022-10-17 10:29:04,983 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3272 [2022-10-17 10:29:04,983 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:29:04,983 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:29:04,984 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:29:04,985 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:29:04,986 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 10:29:04,993 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 10:29:04,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:29:04,994 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-10-17 10:29:04,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:29:04,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653853449] [2022-10-17 10:29:04,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:29:04,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:29:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:29:05,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:29:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:29:05,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:29:05,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:29:05,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1835408625, now seen corresponding path program 1 times [2022-10-17 10:29:05,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:29:05,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932544670] [2022-10-17 10:29:05,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:29:05,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:29:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:29:05,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:29:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:29:05,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:29:05,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:29:05,102 INFO L85 PathProgramCache]: Analyzing trace with hash -783635576, now seen corresponding path program 1 times [2022-10-17 10:29:05,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:29:05,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449505164] [2022-10-17 10:29:05,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:29:05,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:29:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:29:05,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:29:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:29:05,151 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:29:05,339 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:29:05,339 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:29:05,340 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:29:05,340 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:29:05,340 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:29:05,340 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:29:05,340 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:29:05,340 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:29:05,341 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem04_label40.c_Iteration2_Loop [2022-10-17 10:29:05,341 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:29:05,341 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:29:05,345 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 10:29:05,349 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 10:29:05,352 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 10:29:05,356 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 10:29:05,363 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 10:29:05,373 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 10:29:05,376 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 10:29:05,378 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 10:29:05,381 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 10:29:05,385 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 10:29:05,388 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 10:29:05,391 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 10:29:05,506 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:29:05,506 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:29:05,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:29:05,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:29:05,507 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:29:05,516 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:29:05,516 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:29:05,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:29:05,526 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:29:05,527 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 10:29:05,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:29:05,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:29:05,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:29:05,593 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:29:05,629 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:29:05,629 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:29:05,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:29:05,657 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:29:05,657 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 10:29:05,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-10-17 10:29:05,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:29:05,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:29:05,691 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:29:05,710 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:29:05,710 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:29:05,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:29:05,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-10-17 10:29:05,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:29:05,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:29:05,773 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:29:05,779 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:29:05,780 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:29:05,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:29:05,801 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:29:05,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:29:05,826 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:29:05,826 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:29:05,826 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:29:05,826 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:29:05,826 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:29:05,826 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:29:05,826 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:29:05,826 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:29:05,826 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem04_label40.c_Iteration2_Loop [2022-10-17 10:29:05,826 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:29:05,826 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:29:05,827 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 10:29:05,835 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 10:29:05,839 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 10:29:05,843 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 10:29:05,848 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 10:29:05,851 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 10:29:05,860 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 10:29:05,865 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 10:29:05,869 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 10:29:05,871 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 10:29:05,874 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 10:29:05,876 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 10:29:05,975 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:29:05,975 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:29:05,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:29:05,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:29:05,981 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:29:05,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:29:06,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:29:06,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:29:06,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:29:06,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:29:06,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:29:06,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:29:06,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:29:06,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-10-17 10:29:06,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:29:06,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-10-17 10:29:06,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:29:06,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:29:06,058 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:29:06,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-10-17 10:29:06,063 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 10:29:06,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:29:06,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:29:06,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:29:06,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:29:06,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:29:06,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:29:06,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:29:06,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:29:06,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-10-17 10:29:06,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:29:06,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:29:06,102 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:29:06,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-10-17 10:29:06,113 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 10:29:06,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:29:06,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:29:06,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:29:06,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:29:06,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:29:06,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:29:06,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:29:06,132 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:29:06,135 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-10-17 10:29:06,135 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:29:06,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:29:06,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:29:06,138 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:29:06,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-10-17 10:29:06,139 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:29:06,140 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:29:06,140 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:29:06,140 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a26~0) = 1*~a26~0 Supporting invariants [] [2022-10-17 10:29:06,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-10-17 10:29:06,161 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:29:06,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:29:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:06,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:29:06,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:29:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:06,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:29:06,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:29:06,246 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 10:29:06,247 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 10:29:06,247 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 10:29:08,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7a2e91-3cf3-419e-8c2c-867f45a5acc9/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-10-17 10:29:09,948 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 10:29:09,948 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 10:29:09,949 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 10:29:09,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1453 transitions. [2022-10-17 10:29:09,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 1453 transitions. Stem has 3 letters. Loop has 15 letters. [2022-10-17 10:29:09,951 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:29:09,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 1453 transitions. Stem has 18 letters. Loop has 15 letters. [2022-10-17 10:29:09,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:29:09,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 1453 transitions. Stem has 3 letters. Loop has 30 letters. [2022-10-17 10:29:09,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:29:09,953 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14800 states and 21627 transitions. [2022-10-17 10:29:10,068 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 6544 [2022-10-17 10:29:10,188 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14800 states to 14800 states and 21627 transitions. [2022-10-17 10:29:10,188 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6554 [2022-10-17 10:29:10,198 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6571 [2022-10-17 10:29:10,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14800 states and 21627 transitions. [2022-10-17 10:29:10,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:29:10,199 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14800 states and 21627 transitions. [2022-10-17 10:29:10,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14800 states and 21627 transitions. [2022-10-17 10:29:10,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14800 to 14783. [2022-10-17 10:29:10,532 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 10:29:10,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14783 states to 14783 states and 21610 transitions. [2022-10-17 10:29:10,581 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14783 states and 21610 transitions. [2022-10-17 10:29:10,581 INFO L428 stractBuchiCegarLoop]: Abstraction has 14783 states and 21610 transitions. [2022-10-17 10:29:10,581 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:29:10,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14783 states and 21610 transitions. [2022-10-17 10:29:10,644 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 6544 [2022-10-17 10:29:10,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:29:10,644 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:29:10,650 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-10-17 10:29:10,650 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 10:29:10,650 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 10:29:10,652 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 10:29:10,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:29:10,653 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2022-10-17 10:29:10,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:29:10,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283230359] [2022-10-17 10:29:10,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:29:10,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:29:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:29:10,675 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:29:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:29:10,706 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:29:10,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:29:10,707 INFO L85 PathProgramCache]: Analyzing trace with hash -4199969, now seen corresponding path program 1 times [2022-10-17 10:29:10,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:29:10,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989786879] [2022-10-17 10:29:10,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:29:10,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:29:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:29:11,053 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 10:29:11,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:29:11,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989786879] [2022-10-17 10:29:11,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989786879] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:29:11,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:29:11,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:29:11,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523719066] [2022-10-17 10:29:11,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:29:11,055 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:29:11,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:29:11,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:29:11,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:29:11,057 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)