./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcspn_mixed_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcspn_mixed_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R --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 64bit --witnessprinter.graph.data.programhash f2e994fbd4308fecf33fa0184f8cdc44b0ef95d4019fc8f460440561d10a29a6 --- 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-38b53e6 [2022-11-25 15:34:51,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:34:51,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:34:51,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:34:51,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:34:51,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:34:51,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:34:51,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:34:51,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:34:51,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:34:51,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:34:51,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:34:51,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:34:51,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:34:51,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:34:51,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:34:51,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:34:51,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:34:51,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:34:51,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:34:51,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:34:51,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:34:51,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:34:51,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:34:51,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:34:52,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:34:52,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:34:52,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:34:52,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:34:52,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:34:52,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:34:52,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:34:52,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:34:52,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:34:52,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:34:52,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:34:52,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:34:52,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:34:52,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:34:52,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:34:52,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:34:52,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-25 15:34:52,053 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:34:52,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:34:52,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:34:52,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:34:52,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:34:52,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:34:52,058 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:34:52,059 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 15:34:52,059 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 15:34:52,059 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 15:34:52,060 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 15:34:52,060 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 15:34:52,061 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 15:34:52,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:34:52,061 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:34:52,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:34:52,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:34:52,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 15:34:52,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 15:34:52,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 15:34:52,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:34:52,063 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 15:34:52,063 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:34:52,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 15:34:52,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:34:52,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:34:52,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:34:52,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:34:52,066 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 15:34:52,066 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_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2e994fbd4308fecf33fa0184f8cdc44b0ef95d4019fc8f460440561d10a29a6 [2022-11-25 15:34:52,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:34:52,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:34:52,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:34:52,369 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:34:52,370 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:34:52,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-15/cstrcspn_mixed_alloca.i [2022-11-25 15:34:55,657 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:34:55,933 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:34:55,934 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/sv-benchmarks/c/termination-15/cstrcspn_mixed_alloca.i [2022-11-25 15:34:55,953 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/data/efb2d4b94/a4d7a0933abb45fc9521db760e0f8159/FLAG6b0b259c0 [2022-11-25 15:34:55,967 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/data/efb2d4b94/a4d7a0933abb45fc9521db760e0f8159 [2022-11-25 15:34:55,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:34:55,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:34:55,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:34:55,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:34:55,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:34:55,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:34:55" (1/1) ... [2022-11-25 15:34:55,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f893ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:55, skipping insertion in model container [2022-11-25 15:34:55,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:34:55" (1/1) ... [2022-11-25 15:34:55,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:34:56,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:34:56,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:34:56,365 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:34:56,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:34:56,486 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:34:56,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:56 WrapperNode [2022-11-25 15:34:56,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:34:56,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:34:56,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:34:56,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:34:56,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:56" (1/1) ... [2022-11-25 15:34:56,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:56" (1/1) ... [2022-11-25 15:34:56,570 INFO L138 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2022-11-25 15:34:56,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:34:56,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:34:56,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:34:56,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:34:56,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:56" (1/1) ... [2022-11-25 15:34:56,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:56" (1/1) ... [2022-11-25 15:34:56,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:56" (1/1) ... [2022-11-25 15:34:56,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:56" (1/1) ... [2022-11-25 15:34:56,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:56" (1/1) ... [2022-11-25 15:34:56,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:56" (1/1) ... [2022-11-25 15:34:56,642 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:56" (1/1) ... [2022-11-25 15:34:56,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:56" (1/1) ... [2022-11-25 15:34:56,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:34:56,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:34:56,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:34:56,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:34:56,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:56" (1/1) ... [2022-11-25 15:34:56,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:56,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:56,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:56,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 15:34:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 15:34:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 15:34:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 15:34:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 15:34:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:34:56,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:34:56,909 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:34:56,911 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:34:57,166 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:34:57,173 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:34:57,173 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 15:34:57,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:34:57 BoogieIcfgContainer [2022-11-25 15:34:57,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:34:57,176 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 15:34:57,177 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 15:34:57,181 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 15:34:57,182 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:34:57,182 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 03:34:55" (1/3) ... [2022-11-25 15:34:57,183 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6804733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:34:57, skipping insertion in model container [2022-11-25 15:34:57,184 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:34:57,184 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:56" (2/3) ... [2022-11-25 15:34:57,184 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6804733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:34:57, skipping insertion in model container [2022-11-25 15:34:57,184 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:34:57,185 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:34:57" (3/3) ... [2022-11-25 15:34:57,186 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrcspn_mixed_alloca.i [2022-11-25 15:34:57,314 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 15:34:57,314 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 15:34:57,314 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 15:34:57,314 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 15:34:57,314 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 15:34:57,315 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 15:34:57,315 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 15:34:57,315 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 15:34:57,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:34:57,348 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-25 15:34:57,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:34:57,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:34:57,353 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-25 15:34:57,353 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-25 15:34:57,353 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 15:34:57,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:34:57,355 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-25 15:34:57,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:34:57,356 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:34:57,356 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-25 15:34:57,356 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-25 15:34:57,363 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 16#L382true assume !(main_~length1~0#1 < 1); 14#L382-2true assume !(main_~length2~0#1 < 1); 5#L385-1true call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 9#L369-4true [2022-11-25 15:34:57,364 INFO L750 eck$LassoCheckResult]: Loop: 9#L369-4true call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 15#L369-1true assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 7#L372-5true assume !true; 6#L372-6true call cstrcspn_#t~mem212#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 17#L374true assume !(cstrcspn_#t~mem212#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem212#1; 10#L369-3true cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post205#1.base, 1 + cstrcspn_#t~post205#1.offset;havoc cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset; 9#L369-4true [2022-11-25 15:34:57,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:57,370 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-11-25 15:34:57,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:57,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76301230] [2022-11-25 15:34:57,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:57,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:57,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:34:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:57,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:34:57,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:57,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2022-11-25 15:34:57,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:57,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392085580] [2022-11-25 15:34:57,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:57,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:34:57,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:34:57,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:34:57,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392085580] [2022-11-25 15:34:57,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392085580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:34:57,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:34:57,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:34:57,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748847250] [2022-11-25 15:34:57,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:34:57,678 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 15:34:57,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:34:57,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 15:34:57,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 15:34:57,735 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) 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) [2022-11-25 15:34:57,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:34:57,741 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2022-11-25 15:34:57,742 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2022-11-25 15:34:57,743 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-25 15:34:57,749 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2022-11-25 15:34:57,750 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-25 15:34:57,750 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-25 15:34:57,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2022-11-25 15:34:57,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:34:57,752 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-25 15:34:57,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2022-11-25 15:34:57,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-25 15:34:57,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 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) [2022-11-25 15:34:57,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2022-11-25 15:34:57,780 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-25 15:34:57,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 15:34:57,790 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-25 15:34:57,791 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 15:34:57,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2022-11-25 15:34:57,793 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-25 15:34:57,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:34:57,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:34:57,795 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-25 15:34:57,795 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:34:57,795 INFO L748 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 45#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 52#L382 assume !(main_~length1~0#1 < 1); 56#L382-2 assume !(main_~length2~0#1 < 1); 46#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 47#L369-4 [2022-11-25 15:34:57,795 INFO L750 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 53#L369-1 assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 50#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 0 != cstrcspn_#t~mem208#1; 51#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 55#L372-3 assume !cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1; 48#L372-6 call cstrcspn_#t~mem212#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 49#L374 assume !(cstrcspn_#t~mem212#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem212#1; 54#L369-3 cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post205#1.base, 1 + cstrcspn_#t~post205#1.offset;havoc cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset; 47#L369-4 [2022-11-25 15:34:57,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:57,800 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2022-11-25 15:34:57,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:57,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136154952] [2022-11-25 15:34:57,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:57,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:57,855 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:34:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:57,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:34:57,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:57,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2022-11-25 15:34:57,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:57,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158674684] [2022-11-25 15:34:57,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:57,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:57,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:34:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:57,919 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:34:57,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:57,922 INFO L85 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2022-11-25 15:34:57,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:57,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978255082] [2022-11-25 15:34:57,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:57,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:58,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:34:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:58,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:34:59,433 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:34:59,434 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:34:59,434 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:34:59,435 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:34:59,435 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 15:34:59,435 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:59,436 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:34:59,436 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:34:59,436 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn_mixed_alloca.i_Iteration2_Lasso [2022-11-25 15:34:59,436 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:34:59,436 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:34:59,466 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:59,477 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:59,482 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:59,486 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:59,490 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:59,493 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:59,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:59,500 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:59,503 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:59,506 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:34:59,510 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:00,436 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:00,439 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:00,442 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:00,445 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:00,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:00,451 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:00,458 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:01,577 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:35:01,597 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 15:35:01,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:01,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:01,603 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:01,614 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 [2022-11-25 15:35:01,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 15:35:01,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:01,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:35:01,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:01,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:01,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:01,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:35:01,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:35:01,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:01,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-25 15:35:01,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:01,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:01,654 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:01,669 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 [2022-11-25 15:35:01,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:01,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:35:01,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:01,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:01,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:01,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 15:35:01,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:35:01,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:35:01,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:01,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:01,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:01,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:01,713 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:01,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 15:35:01,715 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 [2022-11-25 15:35:01,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:01,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:35:01,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:01,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:01,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:01,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:35:01,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:35:01,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:01,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-25 15:35:01,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:01,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:01,738 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:01,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 15:35:01,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:35:01,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:01,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:01,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:01,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:01,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:35:01,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:35:01,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:01,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:01,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:01,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:01,801 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:01,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 15:35:01,808 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 [2022-11-25 15:35:01,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:01,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:35:01,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:01,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:01,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:01,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:35:01,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:35:01,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:01,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:01,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:01,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:01,837 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:01,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 15:35:01,841 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 [2022-11-25 15:35:01,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:01,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:35:01,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:01,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:01,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:01,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:35:01,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:35:01,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:01,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-25 15:35:01,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:01,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:01,877 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:01,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 15:35:01,881 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 [2022-11-25 15:35:01,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:01,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:01,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:01,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:01,907 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:35:01,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:35:01,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:01,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:01,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:01,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:01,947 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:01,956 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 [2022-11-25 15:35:01,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 15:35:01,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:01,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:35:01,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:01,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:01,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:01,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:35:01,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:35:01,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:01,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:01,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:01,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:01,994 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:02,005 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 [2022-11-25 15:35:02,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 15:35:02,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:02,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:35:02,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:02,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:02,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:02,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:35:02,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:35:02,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:02,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:02,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:02,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:02,042 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:02,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-25 15:35:02,045 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 [2022-11-25 15:35:02,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:02,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:35:02,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:02,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:02,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:02,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:35:02,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:35:02,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:02,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:02,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:02,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:02,062 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:02,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-25 15:35:02,067 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 [2022-11-25 15:35:02,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:02,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:02,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:02,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:02,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:35:02,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:35:02,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:02,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-11-25 15:35:02,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:02,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:02,097 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:02,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-25 15:35:02,100 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 [2022-11-25 15:35:02,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:02,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:02,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:02,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:02,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:35:02,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:35:02,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:02,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-11-25 15:35:02,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:02,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:02,134 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:02,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-25 15:35:02,140 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 [2022-11-25 15:35:02,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:02,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:02,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:02,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:02,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:35:02,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:35:02,215 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 15:35:02,272 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-25 15:35:02,272 INFO L444 ModelExtractionUtils]: 17 out of 55 variables were initially zero. Simplification set additionally 35 variables to zero. [2022-11-25 15:35:02,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:02,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:02,312 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:02,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-25 15:35:02,376 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 15:35:02,401 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 15:35:02,402 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 15:35:02,402 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1, ULTIMATE.start_cstrcspn_~sc1~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 - 1*ULTIMATE.start_cstrcspn_~sc1~0#1.offset Supporting invariants [] [2022-11-25 15:35:02,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:02,474 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-11-25 15:35:02,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:35:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:35:02,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 15:35:02,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:35:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:35:02,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 15:35:02,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:35:02,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:35:02,694 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 [2022-11-25 15:35:02,696 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-25 15:35:02,762 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 21 states and 28 transitions. Complement of second has 4 states. [2022-11-25 15:35:02,763 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 [2022-11-25 15:35:02,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-25 15:35:02,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2022-11-25 15:35:02,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2022-11-25 15:35:02,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:35:02,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2022-11-25 15:35:02,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:35:02,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2022-11-25 15:35:02,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:35:02,768 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2022-11-25 15:35:02,769 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 15:35:02,770 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2022-11-25 15:35:02,770 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-25 15:35:02,771 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-25 15:35:02,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2022-11-25 15:35:02,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 15:35:02,771 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-25 15:35:02,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2022-11-25 15:35:02,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-25 15:35:02,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:35:02,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2022-11-25 15:35:02,774 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-25 15:35:02,774 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-25 15:35:02,774 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 15:35:02,774 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2022-11-25 15:35:02,775 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 15:35:02,775 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:35:02,775 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:35:02,775 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:35:02,776 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 15:35:02,776 INFO L748 eck$LassoCheckResult]: Stem: 193#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 194#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 203#L382 assume !(main_~length1~0#1 < 1); 210#L382-2 assume !(main_~length2~0#1 < 1); 195#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 196#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 205#L369-1 assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 199#L372-5 [2022-11-25 15:35:02,776 INFO L750 eck$LassoCheckResult]: Loop: 199#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 0 != cstrcspn_#t~mem208#1; 200#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 208#L372-3 assume !!cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1;cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset - 1;havoc cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset; 199#L372-5 [2022-11-25 15:35:02,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:35:02,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2022-11-25 15:35:02,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:35:02,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822289213] [2022-11-25 15:35:02,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:35:02,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:35:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:02,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:35:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:02,812 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:35:02,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:35:02,813 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2022-11-25 15:35:02,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:35:02,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782052868] [2022-11-25 15:35:02,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:35:02,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:35:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:02,819 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:35:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:02,825 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:35:02,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:35:02,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2022-11-25 15:35:02,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:35:02,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740364062] [2022-11-25 15:35:02,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:35:02,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:35:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:02,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:35:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:02,877 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:35:03,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:04,015 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:35:04,015 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:35:04,015 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:35:04,015 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:35:04,015 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 15:35:04,015 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:04,015 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:35:04,015 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:35:04,015 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn_mixed_alloca.i_Iteration3_Lasso [2022-11-25 15:35:04,016 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:35:04,016 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:35:04,020 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:04,892 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:04,894 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:04,897 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:04,901 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:04,903 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:04,906 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:04,909 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:04,912 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:04,915 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:04,918 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:04,920 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:04,923 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:04,926 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:04,933 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:04,936 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:04,940 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:04,943 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:06,060 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:35:06,060 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 15:35:06,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:06,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:06,068 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:06,081 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 [2022-11-25 15:35:06,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-25 15:35:06,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:06,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:06,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:06,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:06,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:35:06,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:35:06,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:06,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:06,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:06,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:06,131 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:06,145 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 [2022-11-25 15:35:06,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-25 15:35:06,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:06,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:06,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:06,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:06,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:35:06,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:35:06,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:06,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:06,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:06,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:06,195 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:06,200 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 [2022-11-25 15:35:06,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-25 15:35:06,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:06,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:06,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:06,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:06,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:35:06,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:35:06,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:06,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:06,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:06,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:06,242 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:06,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-25 15:35:06,246 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 [2022-11-25 15:35:06,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:06,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:06,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:06,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:06,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:35:06,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:35:06,323 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 15:35:06,397 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-25 15:35:06,397 INFO L444 ModelExtractionUtils]: 9 out of 55 variables were initially zero. Simplification set additionally 43 variables to zero. [2022-11-25 15:35:06,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:06,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:06,400 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:06,413 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 15:35:06,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-25 15:35:06,432 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 15:35:06,432 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 15:35:06,432 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~s~0#1.offset) = 2*ULTIMATE.start_cstrcspn_~s~0#1.offset + 1 Supporting invariants [] [2022-11-25 15:35:06,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:06,532 INFO L156 tatePredicateManager]: 19 out of 19 supporting invariants were superfluous and have been removed [2022-11-25 15:35:06,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:35:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:35:06,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:35:06,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:35:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:35:06,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 15:35:06,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:35:06,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:35:06,608 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 [2022-11-25 15:35:06,608 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-25 15:35:06,628 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 43 states and 57 transitions. Complement of second has 5 states. [2022-11-25 15:35:06,629 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 [2022-11-25 15:35:06,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-25 15:35:06,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-11-25 15:35:06,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-25 15:35:06,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:35:06,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2022-11-25 15:35:06,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:35:06,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2022-11-25 15:35:06,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:35:06,632 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2022-11-25 15:35:06,633 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 15:35:06,634 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2022-11-25 15:35:06,634 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-25 15:35:06,634 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-25 15:35:06,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2022-11-25 15:35:06,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 15:35:06,635 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 40 transitions. [2022-11-25 15:35:06,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2022-11-25 15:35:06,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2022-11-25 15:35:06,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 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) [2022-11-25 15:35:06,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2022-11-25 15:35:06,638 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-11-25 15:35:06,638 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-11-25 15:35:06,638 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-25 15:35:06,638 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2022-11-25 15:35:06,639 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 15:35:06,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:35:06,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:35:06,640 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:35:06,640 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 15:35:06,640 INFO L748 eck$LassoCheckResult]: Stem: 380#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 381#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 390#L382 assume !(main_~length1~0#1 < 1); 399#L382-2 assume !(main_~length2~0#1 < 1); 382#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 383#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 391#L369-1 assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 400#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 0 != cstrcspn_#t~mem208#1; 403#L372-1 assume !cstrcspn_#t~short210#1; 401#L372-3 assume !cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1; 384#L372-6 call cstrcspn_#t~mem212#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 385#L374 assume !(cstrcspn_#t~mem212#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem212#1; 395#L369-3 cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post205#1.base, 1 + cstrcspn_#t~post205#1.offset;havoc cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset; 392#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 394#L369-1 assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 386#L372-5 [2022-11-25 15:35:06,641 INFO L750 eck$LassoCheckResult]: Loop: 386#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 0 != cstrcspn_#t~mem208#1; 387#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 396#L372-3 assume !!cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1;cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset - 1;havoc cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset; 386#L372-5 [2022-11-25 15:35:06,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:35:06,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2022-11-25 15:35:06,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:35:06,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693610755] [2022-11-25 15:35:06,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:35:06,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:35:06,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:06,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:35:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:06,712 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:35:06,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:35:06,713 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2022-11-25 15:35:06,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:35:06,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821946307] [2022-11-25 15:35:06,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:35:06,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:35:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:06,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:35:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:06,724 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:35:06,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:35:06,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1999924968, now seen corresponding path program 1 times [2022-11-25 15:35:06,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:35:06,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876241686] [2022-11-25 15:35:06,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:35:06,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:35:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:35:07,004 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:35:07,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:35:07,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876241686] [2022-11-25 15:35:07,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876241686] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:35:07,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187895570] [2022-11-25 15:35:07,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:35:07,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:35:07,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:07,007 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:35:07,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-25 15:35:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:35:07,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-25 15:35:07,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:35:07,136 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 15:35:07,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-25 15:35:07,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:35:07,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:35:07,264 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:35:07,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187895570] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:35:07,265 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 15:35:07,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 11 [2022-11-25 15:35:07,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487395550] [2022-11-25 15:35:07,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 15:35:07,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:35:07,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 15:35:07,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-25 15:35:07,387 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:35:07,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:35:07,550 INFO L93 Difference]: Finished difference Result 59 states and 72 transitions. [2022-11-25 15:35:07,550 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 72 transitions. [2022-11-25 15:35:07,552 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 15:35:07,554 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 43 states and 53 transitions. [2022-11-25 15:35:07,554 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-25 15:35:07,554 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-25 15:35:07,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 53 transitions. [2022-11-25 15:35:07,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 15:35:07,555 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 53 transitions. [2022-11-25 15:35:07,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 53 transitions. [2022-11-25 15:35:07,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 28. [2022-11-25 15:35:07,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:35:07,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2022-11-25 15:35:07,559 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 36 transitions. [2022-11-25 15:35:07,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 15:35:07,564 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2022-11-25 15:35:07,564 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-25 15:35:07,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2022-11-25 15:35:07,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 15:35:07,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:35:07,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:35:07,566 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:35:07,566 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 15:35:07,567 INFO L748 eck$LassoCheckResult]: Stem: 585#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 586#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 595#L382 assume !(main_~length1~0#1 < 1); 604#L382-2 assume !(main_~length2~0#1 < 1); 587#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 588#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 596#L369-1 assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 609#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 0 != cstrcspn_#t~mem208#1; 602#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 603#L372-3 assume !cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1; 589#L372-6 call cstrcspn_#t~mem212#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 590#L374 assume !(cstrcspn_#t~mem212#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem212#1; 600#L369-3 cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post205#1.base, 1 + cstrcspn_#t~post205#1.offset;havoc cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset; 597#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 599#L369-1 assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 591#L372-5 [2022-11-25 15:35:07,567 INFO L750 eck$LassoCheckResult]: Loop: 591#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 0 != cstrcspn_#t~mem208#1; 592#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 601#L372-3 assume !!cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1;cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset - 1;havoc cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset; 591#L372-5 [2022-11-25 15:35:07,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:35:07,568 INFO L85 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2022-11-25 15:35:07,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:35:07,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838284383] [2022-11-25 15:35:07,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:35:07,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:35:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:07,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:35:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:07,617 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:35:07,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:35:07,618 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2022-11-25 15:35:07,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:35:07,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924388412] [2022-11-25 15:35:07,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:35:07,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:35:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:07,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:35:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:07,627 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:35:07,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:35:07,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2022-11-25 15:35:07,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:35:07,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722014206] [2022-11-25 15:35:07,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:35:07,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:35:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:07,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:35:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:35:07,677 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:35:09,252 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:35:09,252 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:35:09,252 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:35:09,253 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:35:09,253 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 15:35:09,253 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:09,253 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:35:09,253 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:35:09,253 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn_mixed_alloca.i_Iteration5_Lasso [2022-11-25 15:35:09,253 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:35:09,253 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:35:09,257 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:09,260 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:09,263 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:09,266 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:09,268 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:09,270 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:09,274 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:09,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:09,279 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:09,282 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:09,284 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:09,286 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:09,289 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:09,291 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:10,402 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:10,404 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:10,407 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:10,409 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:35:12,046 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:35:12,046 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 15:35:12,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:12,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:12,052 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:12,056 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 [2022-11-25 15:35:12,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-25 15:35:12,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:12,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:35:12,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:12,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:12,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:12,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:35:12,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:35:12,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:12,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:12,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:12,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:12,077 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:12,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-25 15:35:12,080 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 [2022-11-25 15:35:12,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:12,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:35:12,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:12,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:12,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:12,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:35:12,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:35:12,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:12,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:12,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:12,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:12,101 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:12,103 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 [2022-11-25 15:35:12,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-25 15:35:12,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:12,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:12,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:12,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:12,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:35:12,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:35:12,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:12,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-11-25 15:35:12,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:12,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:12,127 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:12,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-25 15:35:12,131 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 [2022-11-25 15:35:12,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:12,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:35:12,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:12,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:12,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:12,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:35:12,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:35:12,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:12,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-25 15:35:12,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:12,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:12,150 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:12,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-25 15:35:12,156 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 [2022-11-25 15:35:12,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:12,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:35:12,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:12,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:12,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:12,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:35:12,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:35:12,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:12,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-25 15:35:12,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:12,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:12,194 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:12,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-25 15:35:12,199 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 [2022-11-25 15:35:12,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:12,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:35:12,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:12,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:12,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:12,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:35:12,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:35:12,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:12,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-11-25 15:35:12,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:12,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:12,217 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:12,220 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 [2022-11-25 15:35:12,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-25 15:35:12,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:12,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:35:12,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:12,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:12,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:12,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:35:12,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:35:12,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:12,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:12,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:12,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:12,238 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:12,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-25 15:35:12,241 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 [2022-11-25 15:35:12,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:12,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:35:12,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:12,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:12,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:12,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:35:12,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:35:12,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:12,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-25 15:35:12,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:12,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:12,260 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:12,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-25 15:35:12,263 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 [2022-11-25 15:35:12,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:12,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:12,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:12,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:12,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:35:12,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:35:12,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:12,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-25 15:35:12,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:12,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:12,287 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:12,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-25 15:35:12,290 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 [2022-11-25 15:35:12,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:12,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:35:12,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:12,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:12,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:12,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:35:12,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:35:12,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:12,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-25 15:35:12,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:12,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:12,310 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:12,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-25 15:35:12,313 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 [2022-11-25 15:35:12,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:12,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:35:12,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:12,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:12,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:12,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:35:12,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:35:12,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:12,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-25 15:35:12,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:12,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:12,331 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:12,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-25 15:35:12,334 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 [2022-11-25 15:35:12,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:12,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:35:12,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:12,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:12,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:12,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:35:12,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:35:12,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:12,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-25 15:35:12,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:12,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:12,352 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:12,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-25 15:35:12,355 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 [2022-11-25 15:35:12,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:12,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:35:12,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:12,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:12,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:12,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:35:12,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:35:12,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:12,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-25 15:35:12,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:12,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:12,373 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:12,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-25 15:35:12,376 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 [2022-11-25 15:35:12,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:12,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:12,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:12,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:12,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:35:12,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:35:12,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:12,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-11-25 15:35:12,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:12,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:12,399 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:12,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-25 15:35:12,404 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 [2022-11-25 15:35:12,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:12,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:12,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:12,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:12,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:35:12,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:35:12,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:12,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:12,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:12,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:12,426 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:12,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-25 15:35:12,431 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 [2022-11-25 15:35:12,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:12,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:12,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:12,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:12,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:35:12,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:35:12,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:12,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:12,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:12,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:12,453 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:12,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-25 15:35:12,456 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 [2022-11-25 15:35:12,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:12,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:12,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:12,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:12,478 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:35:12,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:35:12,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:12,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:12,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:12,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:12,537 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:12,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:35:12,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-25 15:35:12,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:12,558 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2022-11-25 15:35:12,558 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2022-11-25 15:35:12,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:12,704 INFO L401 nArgumentSynthesizer]: We have 180 Motzkin's Theorem applications. [2022-11-25 15:35:12,704 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-11-25 15:35:13,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:13,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-25 15:35:13,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:13,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:13,060 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:13,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-25 15:35:13,064 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 [2022-11-25 15:35:13,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:13,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:13,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:13,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:13,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:35:13,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:35:13,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:13,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:13,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:13,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:13,114 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:13,119 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 [2022-11-25 15:35:13,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-25 15:35:13,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:13,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:13,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:13,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:13,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:35:13,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:35:13,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:35:13,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:13,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:13,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:13,158 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:13,164 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 [2022-11-25 15:35:13,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-25 15:35:13,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:35:13,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:35:13,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:35:13,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:35:13,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:35:13,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:35:13,224 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 15:35:13,341 INFO L443 ModelExtractionUtils]: Simplification made 30 calls to the SMT solver. [2022-11-25 15:35:13,341 INFO L444 ModelExtractionUtils]: 8 out of 55 variables were initially zero. Simplification set additionally 44 variables to zero. [2022-11-25 15:35:13,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:35:13,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:35:13,346 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:35:13,347 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 15:35:13,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-25 15:35:13,383 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 15:35:13,384 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 15:35:13,384 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcspn_~s2#1.base)_1, ULTIMATE.start_cstrcspn_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcspn_~s2#1.base)_1 + 2*ULTIMATE.start_cstrcspn_~s~0#1.offset Supporting invariants [] [2022-11-25 15:35:13,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:13,540 INFO L156 tatePredicateManager]: 27 out of 28 supporting invariants were superfluous and have been removed [2022-11-25 15:35:13,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:35:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:35:13,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 15:35:13,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:35:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:35:13,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 15:35:13,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:35:13,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:35:13,692 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 [2022-11-25 15:35:13,692 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-11-25 15:35:13,747 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 46 states and 58 transitions. Complement of second has 5 states. [2022-11-25 15:35:13,749 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 [2022-11-25 15:35:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-11-25 15:35:13,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-11-25 15:35:13,751 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-25 15:35:13,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:35:13,751 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-25 15:35:13,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:35:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:35:13,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 15:35:13,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:35:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:35:13,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 15:35:13,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:35:13,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:35:13,882 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-25 15:35:13,882 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-11-25 15:35:13,930 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 46 states and 58 transitions. Complement of second has 5 states. [2022-11-25 15:35:13,930 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 [2022-11-25 15:35:13,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-11-25 15:35:13,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-11-25 15:35:13,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-25 15:35:13,935 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:35:13,936 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-25 15:35:13,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:35:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:35:13,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 15:35:14,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:35:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:35:14,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 15:35:14,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:35:14,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:35:14,076 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-25 15:35:14,077 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-11-25 15:35:14,120 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 45 states and 60 transitions. Complement of second has 4 states. [2022-11-25 15:35:14,120 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 [2022-11-25 15:35:14,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-11-25 15:35:14,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2022-11-25 15:35:14,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-25 15:35:14,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:35:14,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2022-11-25 15:35:14,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:35:14,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2022-11-25 15:35:14,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:35:14,124 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 60 transitions. [2022-11-25 15:35:14,126 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 15:35:14,126 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 0 states and 0 transitions. [2022-11-25 15:35:14,127 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 15:35:14,127 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 15:35:14,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 15:35:14,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:35:14,127 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:35:14,127 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:35:14,128 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:35:14,128 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-25 15:35:14,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 15:35:14,128 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 15:35:14,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 15:35:14,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 03:35:14 BoogieIcfgContainer [2022-11-25 15:35:14,136 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 15:35:14,137 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:35:14,137 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:35:14,137 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:35:14,138 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:34:57" (3/4) ... [2022-11-25 15:35:14,141 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 15:35:14,141 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:35:14,142 INFO L158 Benchmark]: Toolchain (without parser) took 18170.65ms. Allocated memory was 132.1MB in the beginning and 234.9MB in the end (delta: 102.8MB). Free memory was 88.3MB in the beginning and 113.9MB in the end (delta: -25.7MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2022-11-25 15:35:14,142 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 132.1MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:35:14,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.08ms. Allocated memory is still 132.1MB. Free memory was 88.3MB in the beginning and 70.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 15:35:14,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.42ms. Allocated memory is still 132.1MB. Free memory was 70.4MB in the beginning and 68.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:35:14,144 INFO L158 Benchmark]: Boogie Preprocessor took 82.66ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 68.3MB in the beginning and 131.7MB in the end (delta: -63.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-11-25 15:35:14,144 INFO L158 Benchmark]: RCFGBuilder took 520.15ms. Allocated memory is still 161.5MB. Free memory was 131.7MB in the beginning and 121.2MB in the end (delta: 10.5MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2022-11-25 15:35:14,145 INFO L158 Benchmark]: BuchiAutomizer took 16959.90ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 121.2MB in the beginning and 115.0MB in the end (delta: 6.2MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. [2022-11-25 15:35:14,145 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 234.9MB. Free memory was 115.0MB in the beginning and 113.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:35:14,147 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 132.1MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.08ms. Allocated memory is still 132.1MB. Free memory was 88.3MB in the beginning and 70.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.42ms. Allocated memory is still 132.1MB. Free memory was 70.4MB in the beginning and 68.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.66ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 68.3MB in the beginning and 131.7MB in the end (delta: -63.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * RCFGBuilder took 520.15ms. Allocated memory is still 161.5MB. Free memory was 131.7MB in the beginning and 121.2MB in the end (delta: 10.5MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 16959.90ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 121.2MB in the beginning and 115.0MB in the end (delta: 6.2MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 234.9MB. Free memory was 115.0MB in the beginning and 113.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * sc1 + unknown-#length-unknown[nondetString1] and consists of 3 locations. One deterministic module has affine ranking function 2 * s + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * s + unknown-#length-unknown[s2] and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.8s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 15.4s. Construction of modules took 0.1s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 130 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 129 mSDsluCounter, 182 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 71 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 111 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital286 mio100 ax100 hnf100 lsp103 ukn82 mio100 lsp46 div163 bol100 ite100 ukn100 eq166 hnf92 smp70 dnf532 smp32 tf100 neg97 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 517ms VariablesStem: 7 VariablesLoop: 4 DisjunctsStem: 8 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 180 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-25 15:35:14,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-25 15:35:14,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2022-11-25 15:35:14,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213fee75-9b1d-4673-9e53-8c3138cc29b1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE