./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b 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_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro --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 dab3cfcd7f834fcfbdfecec143b1f55491432e66d7189ec50c725339851d6e17 --- 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-8393723 [2022-11-18 20:27:14,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:27:14,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:27:14,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:27:14,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:27:14,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:27:14,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:27:14,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:27:14,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:27:14,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:27:14,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:27:14,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:27:14,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:27:14,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:27:14,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:27:14,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:27:14,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:27:14,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:27:14,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:27:14,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:27:14,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:27:14,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:27:14,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:27:14,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:27:14,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:27:14,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:27:14,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:27:14,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:27:14,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:27:14,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:27:14,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:27:14,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:27:14,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:27:14,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:27:14,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:27:14,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:27:14,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:27:14,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:27:14,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:27:14,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:27:14,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:27:14,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 20:27:14,162 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:27:14,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:27:14,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:27:14,164 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:27:14,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:27:14,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:27:14,166 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:27:14,166 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:27:14,166 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:27:14,166 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:27:14,167 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:27:14,167 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:27:14,168 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:27:14,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:27:14,168 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:27:14,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:27:14,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:27:14,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:27:14,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:27:14,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:27:14,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:27:14,169 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:27:14,170 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:27:14,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:27:14,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:27:14,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:27:14,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:27:14,172 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:27:14,174 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:27:14,174 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_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dab3cfcd7f834fcfbdfecec143b1f55491432e66d7189ec50c725339851d6e17 [2022-11-18 20:27:14,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:27:14,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:27:14,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:27:14,533 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:27:14,534 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:27:14,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.i [2022-11-18 20:27:14,608 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/data/8033b77e9/cf45d0d95df24cfea50538759475e8f6/FLAG7026e0e6a [2022-11-18 20:27:15,134 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:27:15,135 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.i [2022-11-18 20:27:15,147 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/data/8033b77e9/cf45d0d95df24cfea50538759475e8f6/FLAG7026e0e6a [2022-11-18 20:27:15,459 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/data/8033b77e9/cf45d0d95df24cfea50538759475e8f6 [2022-11-18 20:27:15,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:27:15,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:27:15,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:27:15,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:27:15,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:27:15,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:27:15" (1/1) ... [2022-11-18 20:27:15,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7e07a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:15, skipping insertion in model container [2022-11-18 20:27:15,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:27:15" (1/1) ... [2022-11-18 20:27:15,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:27:15,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:27:15,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:27:15,833 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:27:15,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:27:15,939 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:27:15,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:15 WrapperNode [2022-11-18 20:27:15,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:27:15,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:27:15,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:27:15,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:27:15,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:15" (1/1) ... [2022-11-18 20:27:15,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:15" (1/1) ... [2022-11-18 20:27:16,001 INFO L138 Inliner]: procedures = 111, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-11-18 20:27:16,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:27:16,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:27:16,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:27:16,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:27:16,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:15" (1/1) ... [2022-11-18 20:27:16,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:15" (1/1) ... [2022-11-18 20:27:16,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:15" (1/1) ... [2022-11-18 20:27:16,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:15" (1/1) ... [2022-11-18 20:27:16,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:15" (1/1) ... [2022-11-18 20:27:16,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:15" (1/1) ... [2022-11-18 20:27:16,028 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:15" (1/1) ... [2022-11-18 20:27:16,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:15" (1/1) ... [2022-11-18 20:27:16,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:27:16,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:27:16,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:27:16,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:27:16,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:15" (1/1) ... [2022-11-18 20:27:16,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:16,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:16,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:16,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:27:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:27:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:27:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:27:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:27:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:27:16,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:27:16,264 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:27:16,266 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:27:16,371 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:27:16,377 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:27:16,377 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 20:27:16,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:27:16 BoogieIcfgContainer [2022-11-18 20:27:16,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:27:16,380 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:27:16,380 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:27:16,384 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:27:16,385 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:27:16,385 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:27:15" (1/3) ... [2022-11-18 20:27:16,386 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79af995b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:27:16, skipping insertion in model container [2022-11-18 20:27:16,386 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:27:16,386 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:15" (2/3) ... [2022-11-18 20:27:16,387 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79af995b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:27:16, skipping insertion in model container [2022-11-18 20:27:16,387 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:27:16,387 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:27:16" (3/3) ... [2022-11-18 20:27:16,388 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrpbrk-alloca-1.i [2022-11-18 20:27:16,458 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:27:16,458 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:27:16,458 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:27:16,458 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:27:16,458 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:27:16,458 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:27:16,458 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:27:16,459 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:27:16,463 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 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) [2022-11-18 20:27:16,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-18 20:27:16,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:27:16,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:27:16,512 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 20:27:16,512 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:27:16,512 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:27:16,513 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 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) [2022-11-18 20:27:16,514 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-18 20:27:16,514 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:27:16,514 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:27:16,515 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 20:27:16,515 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:27:16,536 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, 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~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 11#L562true assume !(main_~length1~0#1 < 1); 14#L562-2true assume !(main_~length2~0#1 < 1); 12#L565-1true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#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 + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#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 cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 13#L553-4true [2022-11-18 20:27:16,536 INFO L750 eck$LassoCheckResult]: Loop: 13#L553-4true cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 9#L552-1true assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 6#L553-3true assume !true; 13#L553-4true [2022-11-18 20:27:16,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:16,558 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-11-18 20:27:16,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:16,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468416182] [2022-11-18 20:27:16,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:16,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:16,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:27:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:16,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:27:16,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:16,885 INFO L85 PathProgramCache]: Analyzing trace with hash 49828, now seen corresponding path program 1 times [2022-11-18 20:27:16,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:16,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134796456] [2022-11-18 20:27:16,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:16,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:16,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:16,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:16,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134796456] [2022-11-18 20:27:16,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134796456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:16,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:16,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 20:27:16,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936931572] [2022-11-18 20:27:16,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:16,978 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 20:27:16,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:17,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:27:17,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:27:17,026 INFO L87 Difference]: Start difference. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 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, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-18 20:27:17,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:17,035 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2022-11-18 20:27:17,037 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2022-11-18 20:27:17,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-18 20:27:17,045 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 10 states and 13 transitions. [2022-11-18 20:27:17,047 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:27:17,047 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:27:17,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2022-11-18 20:27:17,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:27:17,048 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-18 20:27:17,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2022-11-18 20:27:17,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-18 20:27:17,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 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) [2022-11-18 20:27:17,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2022-11-18 20:27:17,077 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-18 20:27:17,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:27:17,085 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-18 20:27:17,086 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:27:17,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2022-11-18 20:27:17,088 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-18 20:27:17,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:27:17,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:27:17,088 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 20:27:17,089 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:27:17,089 INFO L748 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 39#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, 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~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 42#L562 assume !(main_~length1~0#1 < 1); 43#L562-2 assume !(main_~length2~0#1 < 1); 46#L565-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#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 + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#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 cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 44#L553-4 [2022-11-18 20:27:17,090 INFO L750 eck$LassoCheckResult]: Loop: 44#L553-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 47#L552-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 40#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 41#L553-1 assume !(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 44#L553-4 [2022-11-18 20:27:17,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:17,091 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2022-11-18 20:27:17,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:17,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644210554] [2022-11-18 20:27:17,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:17,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:17,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:27:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:17,182 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:27:17,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:17,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1544297, now seen corresponding path program 1 times [2022-11-18 20:27:17,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:17,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552402939] [2022-11-18 20:27:17,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:17,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:17,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:27:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:17,222 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:27:17,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:17,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1298350894, now seen corresponding path program 1 times [2022-11-18 20:27:17,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:17,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457501351] [2022-11-18 20:27:17,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:17,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:17,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:27:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:17,412 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:27:18,363 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:27:18,364 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:27:18,365 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:27:18,365 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:27:18,365 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:27:18,365 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:18,365 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:27:18,366 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:27:18,366 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrpbrk-alloca-1.i_Iteration2_Lasso [2022-11-18 20:27:18,366 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:27:18,366 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:27:18,394 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:18,415 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:18,418 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:18,422 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:18,425 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:18,428 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:18,430 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:19,244 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:19,248 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:19,251 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:19,254 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:19,258 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:19,260 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:19,263 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:19,265 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:19,268 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:19,272 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:19,274 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:19,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:19,949 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:27:19,954 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:27:19,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:19,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:19,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:19,979 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 [2022-11-18 20:27:19,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:27:19,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:19,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:27:19,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:19,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:19,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:19,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:27:19,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:27:20,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:20,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-18 20:27:20,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:20,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:20,013 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:20,021 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 [2022-11-18 20:27:20,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:20,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:27:20,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:20,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:20,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:20,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:27:20,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:27:20,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:27:20,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:20,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:20,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:20,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:20,058 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:20,069 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 [2022-11-18 20:27:20,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:27:20,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:20,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:20,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:20,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:20,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:20,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:20,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:20,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:20,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:20,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:20,109 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:20,120 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 [2022-11-18 20:27:20,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:20,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:27:20,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:20,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:20,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:20,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:27:20,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:27:20,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:27:20,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:20,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:20,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:20,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:20,145 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:20,154 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 [2022-11-18 20:27:20,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:27:20,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:20,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:20,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:20,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:20,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:20,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:20,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:20,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:20,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:20,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:20,191 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:20,200 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 [2022-11-18 20:27:20,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:20,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:27:20,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:20,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:27:20,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:20,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:20,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:27:20,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:27:20,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:20,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:20,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:20,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:20,240 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:20,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:27:20,250 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 [2022-11-18 20:27:20,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:20,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:20,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:20,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:20,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:20,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:20,314 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:27:20,393 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2022-11-18 20:27:20,393 INFO L444 ModelExtractionUtils]: 13 out of 28 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-18 20:27:20,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:20,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:20,398 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:20,439 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:27:20,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:27:20,477 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:27:20,477 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:27:20,477 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1, ULTIMATE.start_cstrpbrk_~s1#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 - 1*ULTIMATE.start_cstrpbrk_~s1#1.offset Supporting invariants [] [2022-11-18 20:27:20,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-18 20:27:20,559 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-11-18 20:27:20,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:20,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:27:20,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:20,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 20:27:20,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:20,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:20,733 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 [2022-11-18 20:27:20,734 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-18 20:27:20,792 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 16 states and 20 transitions. Complement of second has 4 states. [2022-11-18 20:27:20,793 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 [2022-11-18 20:27:20,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-18 20:27:20,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2022-11-18 20:27:20,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-18 20:27:20,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:27:20,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2022-11-18 20:27:20,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:27:20,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 5 letters. Loop has 8 letters. [2022-11-18 20:27:20,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:27:20,798 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2022-11-18 20:27:20,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:27:20,799 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 15 states and 19 transitions. [2022-11-18 20:27:20,799 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-18 20:27:20,800 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:27:20,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2022-11-18 20:27:20,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:27:20,800 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-18 20:27:20,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2022-11-18 20:27:20,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2022-11-18 20:27:20,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:20,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2022-11-18 20:27:20,802 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-11-18 20:27:20,802 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-11-18 20:27:20,802 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:27:20,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2022-11-18 20:27:20,803 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:27:20,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:27:20,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:27:20,804 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:20,804 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:27:20,804 INFO L748 eck$LassoCheckResult]: Stem: 167#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 168#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, 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~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 173#L562 assume !(main_~length1~0#1 < 1); 174#L562-2 assume !(main_~length2~0#1 < 1); 178#L565-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#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 + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#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 cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 179#L553-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 180#L552-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 169#L553-3 [2022-11-18 20:27:20,805 INFO L750 eck$LassoCheckResult]: Loop: 169#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 170#L553-1 assume !!(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 175#L554 assume !(cstrpbrk_~sc~0#1 == cstrpbrk_~c~0#1); 169#L553-3 [2022-11-18 20:27:20,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:20,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935627, now seen corresponding path program 1 times [2022-11-18 20:27:20,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:20,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708761165] [2022-11-18 20:27:20,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:20,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:20,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:27:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:20,851 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:27:20,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:20,855 INFO L85 PathProgramCache]: Analyzing trace with hash 58753, now seen corresponding path program 1 times [2022-11-18 20:27:20,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:20,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562498669] [2022-11-18 20:27:20,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:20,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:20,867 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:27:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:20,872 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:27:20,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:20,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1594172151, now seen corresponding path program 1 times [2022-11-18 20:27:20,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:20,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874365573] [2022-11-18 20:27:20,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:20,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:20,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:27:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:20,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:27:21,887 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:27:21,887 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:27:21,887 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:27:21,887 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:27:21,887 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:27:21,887 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:21,887 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:27:21,888 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:27:21,888 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrpbrk-alloca-1.i_Iteration3_Lasso [2022-11-18 20:27:21,888 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:27:21,888 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:27:21,892 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:21,895 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:22,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:22,576 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:22,578 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:22,581 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:22,589 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:22,591 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:22,593 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:22,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:22,599 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:22,607 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:22,609 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:22,611 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:22,614 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:22,616 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:22,618 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:22,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:22,623 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:22,625 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:23,312 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:27:23,312 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:27:23,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:23,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:23,313 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:23,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:27:23,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:27:23,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:23,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:27:23,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:23,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:23,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:23,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:27:23,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:27:23,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:23,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:23,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:23,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:23,373 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:23,382 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 [2022-11-18 20:27:23,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:23,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:23,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:23,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:23,397 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:23,397 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:23,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:27:23,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:23,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:23,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:23,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:23,418 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:23,422 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 [2022-11-18 20:27:23,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:27:23,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:23,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:23,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:23,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:23,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:23,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:23,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:23,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:23,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:23,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:23,458 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:23,462 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 [2022-11-18 20:27:23,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:23,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:23,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:23,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:23,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:27:23,481 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:23,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:23,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:23,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:23,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:23,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:23,506 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:23,515 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 [2022-11-18 20:27:23,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:23,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:23,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:23,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:23,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 20:27:23,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:23,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:23,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:23,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:23,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:23,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:23,569 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:23,578 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 [2022-11-18 20:27:23,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:23,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:23,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:23,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:23,592 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:23,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:23,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 20:27:23,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:23,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:23,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:23,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:23,614 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:23,622 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 [2022-11-18 20:27:23,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:23,635 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-18 20:27:23,635 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-18 20:27:23,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:23,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 20:27:23,663 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2022-11-18 20:27:23,664 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-11-18 20:27:23,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:23,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:23,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:23,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:23,740 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:23,745 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 [2022-11-18 20:27:23,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 20:27:23,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:23,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:23,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:23,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:23,786 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:23,786 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:23,811 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:27:23,872 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2022-11-18 20:27:23,872 INFO L444 ModelExtractionUtils]: 17 out of 31 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-11-18 20:27:23,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:23,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:23,875 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:23,885 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:27:23,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 20:27:23,904 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:27:23,904 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:27:23,904 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~scanp~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_2) = -1*ULTIMATE.start_cstrpbrk_~scanp~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_2 Supporting invariants [] [2022-11-18 20:27:23,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:23,984 INFO L156 tatePredicateManager]: 15 out of 17 supporting invariants were superfluous and have been removed [2022-11-18 20:27:24,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:24,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 20:27:24,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:24,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-11-18 20:27:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:24,107 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 20:27:24,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:24,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:24,173 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-18 20:27:24,173 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) [2022-11-18 20:27:24,218 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 31 states and 38 transitions. Complement of second has 6 states. [2022-11-18 20:27:24,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:27:24,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) [2022-11-18 20:27:24,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2022-11-18 20:27:24,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-18 20:27:24,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:27:24,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 10 letters. Loop has 3 letters. [2022-11-18 20:27:24,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:27:24,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 7 letters. Loop has 6 letters. [2022-11-18 20:27:24,222 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:27:24,222 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2022-11-18 20:27:24,224 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:27:24,224 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 21 states and 27 transitions. [2022-11-18 20:27:24,224 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-18 20:27:24,224 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-18 20:27:24,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2022-11-18 20:27:24,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:27:24,225 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-18 20:27:24,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2022-11-18 20:27:24,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 15. [2022-11-18 20:27:24,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 states have internal predecessors, (19), 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) [2022-11-18 20:27:24,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2022-11-18 20:27:24,227 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-18 20:27:24,227 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-18 20:27:24,227 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 20:27:24,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2022-11-18 20:27:24,228 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:27:24,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:27:24,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:27:24,228 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:24,228 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:27:24,229 INFO L748 eck$LassoCheckResult]: Stem: 338#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 339#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, 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~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 344#L562 assume !(main_~length1~0#1 < 1); 345#L562-2 assume !(main_~length2~0#1 < 1); 349#L565-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#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 + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#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 cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 350#L553-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 351#L552-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 342#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 343#L553-1 assume !(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 347#L553-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 352#L552-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 340#L553-3 [2022-11-18 20:27:24,229 INFO L750 eck$LassoCheckResult]: Loop: 340#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 341#L553-1 assume !!(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 346#L554 assume !(cstrpbrk_~sc~0#1 == cstrpbrk_~c~0#1); 340#L553-3 [2022-11-18 20:27:24,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:24,229 INFO L85 PathProgramCache]: Analyzing trace with hash -2120273357, now seen corresponding path program 2 times [2022-11-18 20:27:24,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:24,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769483416] [2022-11-18 20:27:24,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:24,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:24,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:27:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:24,280 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:27:24,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:24,281 INFO L85 PathProgramCache]: Analyzing trace with hash 58753, now seen corresponding path program 2 times [2022-11-18 20:27:24,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:24,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398468869] [2022-11-18 20:27:24,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:24,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:24,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:27:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:24,289 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:27:24,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:24,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1020472847, now seen corresponding path program 1 times [2022-11-18 20:27:24,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:24,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507735052] [2022-11-18 20:27:24,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:24,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:24,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:24,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:24,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507735052] [2022-11-18 20:27:24,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507735052] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:27:24,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107427617] [2022-11-18 20:27:24,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:24,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:27:24,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:24,618 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:27:24,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-18 20:27:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:24,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-18 20:27:24,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:24,755 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-18 20:27:24,756 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 [2022-11-18 20:27:24,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-18 20:27:24,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:24,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:27:24,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:24,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107427617] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:27:24,891 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:27:24,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2022-11-18 20:27:24,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150682422] [2022-11-18 20:27:24,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:27:24,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:24,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 20:27:24,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:27:24,953 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 14 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) [2022-11-18 20:27:25,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:25,198 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2022-11-18 20:27:25,198 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2022-11-18 20:27:25,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:27:25,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 24 states and 28 transitions. [2022-11-18 20:27:25,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-18 20:27:25,200 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-18 20:27:25,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 28 transitions. [2022-11-18 20:27:25,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:27:25,201 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 28 transitions. [2022-11-18 20:27:25,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 28 transitions. [2022-11-18 20:27:25,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 17. [2022-11-18 20:27:25,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 16 states have internal predecessors, (21), 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) [2022-11-18 20:27:25,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2022-11-18 20:27:25,203 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-11-18 20:27:25,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:27:25,205 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-11-18 20:27:25,205 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-18 20:27:25,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2022-11-18 20:27:25,206 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:27:25,206 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:27:25,206 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:27:25,206 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:25,206 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:27:25,207 INFO L748 eck$LassoCheckResult]: Stem: 496#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 497#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, 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~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 502#L562 assume !(main_~length1~0#1 < 1); 503#L562-2 assume !(main_~length2~0#1 < 1); 504#L565-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#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 + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#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 cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 505#L553-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 508#L552-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 500#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 501#L553-1 assume !!(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 507#L554 assume !(cstrpbrk_~sc~0#1 == cstrpbrk_~c~0#1); 511#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 512#L553-1 assume !(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 509#L553-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 510#L552-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 498#L553-3 [2022-11-18 20:27:25,207 INFO L750 eck$LassoCheckResult]: Loop: 498#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 499#L553-1 assume !!(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 506#L554 assume !(cstrpbrk_~sc~0#1 == cstrpbrk_~c~0#1); 498#L553-3 [2022-11-18 20:27:25,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:25,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1095399647, now seen corresponding path program 2 times [2022-11-18 20:27:25,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:25,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672053860] [2022-11-18 20:27:25,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:25,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:25,239 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:27:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:25,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:27:25,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:25,272 INFO L85 PathProgramCache]: Analyzing trace with hash 58753, now seen corresponding path program 3 times [2022-11-18 20:27:25,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:25,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642323306] [2022-11-18 20:27:25,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:25,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:25,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:27:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:25,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:27:25,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:25,282 INFO L85 PathProgramCache]: Analyzing trace with hash -110602269, now seen corresponding path program 3 times [2022-11-18 20:27:25,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:25,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945646805] [2022-11-18 20:27:25,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:25,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:25,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:27:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:27:25,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:27:26,828 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:27:26,828 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:27:26,828 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:27:26,828 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:27:26,829 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:27:26,829 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:26,829 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:27:26,829 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:27:26,829 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrpbrk-alloca-1.i_Iteration5_Lasso [2022-11-18 20:27:26,829 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:27:26,829 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:27:26,833 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:26,841 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:26,843 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:26,845 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:26,850 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:26,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:26,856 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:26,860 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:26,862 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:26,864 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:26,867 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:26,869 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:26,872 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:26,877 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:26,881 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:26,884 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:26,887 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:27,914 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:27,918 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:27:28,667 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:27:28,667 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:27:28,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:28,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:28,669 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:28,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 20:27:28,705 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 [2022-11-18 20:27:28,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:28,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:27:28,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:28,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:28,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:28,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:27:28,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:27:28,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:28,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:28,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:28,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:28,725 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:28,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 20:27:28,727 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 [2022-11-18 20:27:28,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:28,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:27:28,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:28,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:28,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:28,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:27:28,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:27:28,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:28,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-11-18 20:27:28,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:28,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:28,749 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:28,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 20:27:28,751 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 [2022-11-18 20:27:28,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:28,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:27:28,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:28,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:28,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:28,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:27:28,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:27:28,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:28,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:28,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:28,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:28,767 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:28,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-18 20:27:28,770 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 [2022-11-18 20:27:28,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:28,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:27:28,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:28,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:28,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:28,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:27:28,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:27:28,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:28,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:28,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:28,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:28,788 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:28,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 20:27:28,791 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 [2022-11-18 20:27:28,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:28,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:28,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:28,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:28,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:28,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:28,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:28,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-11-18 20:27:28,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:28,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:28,810 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:28,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 20:27:28,814 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 [2022-11-18 20:27:28,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:28,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:27:28,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:28,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:28,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:28,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:27:28,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:27:28,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:28,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-18 20:27:28,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:28,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:28,829 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:28,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-18 20:27:28,833 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 [2022-11-18 20:27:28,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:28,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:28,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:28,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:28,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:28,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:28,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:28,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-18 20:27:28,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:28,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:28,852 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:28,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-18 20:27:28,856 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 [2022-11-18 20:27:28,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:28,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:27:28,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:28,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:28,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:28,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:27:28,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:27:28,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:28,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:28,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:28,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:28,872 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:28,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-18 20:27:28,875 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 [2022-11-18 20:27:28,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:28,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:27:28,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:28,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:28,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:28,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:27:28,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:27:28,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:28,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:28,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:28,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:28,913 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:28,924 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 [2022-11-18 20:27:28,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-18 20:27:28,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:28,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:28,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:28,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:28,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:28,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:28,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:28,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:28,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:28,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:28,976 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:28,983 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 [2022-11-18 20:27:28,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:28,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:27:28,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:28,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:28,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:28,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:27:28,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:27:28,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-18 20:27:29,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:29,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:29,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:29,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:29,021 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:29,025 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 [2022-11-18 20:27:29,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-18 20:27:29,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:29,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:27:29,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:29,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:29,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:29,038 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:27:29,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:27:29,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:29,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-18 20:27:29,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:29,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:29,043 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:29,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-18 20:27:29,047 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 [2022-11-18 20:27:29,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:29,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:29,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:29,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:29,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:29,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:29,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:29,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:29,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:29,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:29,066 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:29,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-18 20:27:29,069 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 [2022-11-18 20:27:29,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:29,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:27:29,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:29,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:29,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:29,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:27:29,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:27:29,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:29,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-18 20:27:29,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:29,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:29,084 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:29,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-18 20:27:29,087 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 [2022-11-18 20:27:29,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:29,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:27:29,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:29,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:29,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:29,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:27:29,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:27:29,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:29,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-18 20:27:29,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:29,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:29,104 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:29,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-18 20:27:29,108 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 [2022-11-18 20:27:29,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:29,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:27:29,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:29,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:29,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:29,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:27:29,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:27:29,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:29,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:29,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:29,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:29,126 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:29,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-18 20:27:29,128 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 [2022-11-18 20:27:29,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:29,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:29,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:29,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:29,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:29,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:29,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:29,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:29,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:29,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:29,163 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:29,171 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 [2022-11-18 20:27:29,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-18 20:27:29,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:29,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:29,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:29,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:29,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:29,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:29,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:29,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:29,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:29,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:29,193 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:29,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-18 20:27:29,196 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 [2022-11-18 20:27:29,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:29,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:29,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:29,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:29,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:29,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:29,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:29,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:29,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:29,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:29,220 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:29,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:27:29,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-18 20:27:29,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:29,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:29,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:29,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:29,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:29,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:29,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:29,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:29,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:29,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:29,260 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:29,268 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 [2022-11-18 20:27:29,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-18 20:27:29,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:29,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:29,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:29,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:29,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:29,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:29,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:29,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-18 20:27:29,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:29,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:29,294 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:29,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-18 20:27:29,297 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 [2022-11-18 20:27:29,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:29,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:29,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:29,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:29,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:29,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:29,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:27:29,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-11-18 20:27:29,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:29,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:29,321 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:29,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-18 20:27:29,323 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 [2022-11-18 20:27:29,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:27:29,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:27:29,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:27:29,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:27:29,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:27:29,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:27:29,369 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:27:29,419 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2022-11-18 20:27:29,420 INFO L444 ModelExtractionUtils]: 15 out of 37 variables were initially zero. Simplification set additionally 19 variables to zero. [2022-11-18 20:27:29,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:27:29,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:29,423 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:29,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-18 20:27:29,424 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:27:29,434 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:27:29,435 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:27:29,435 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~scanp~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_3) = -1*ULTIMATE.start_cstrpbrk_~scanp~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_3 Supporting invariants [] [2022-11-18 20:27:29,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-18 20:27:29,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:29,653 INFO L156 tatePredicateManager]: 36 out of 37 supporting invariants were superfluous and have been removed [2022-11-18 20:27:29,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:27:29,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,780 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 20:27:29,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:29,818 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-18 20:27:29,818 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-18 20:27:29,850 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 28 states and 35 transitions. Complement of second has 6 states. [2022-11-18 20:27:29,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:27:29,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-18 20:27:29,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2022-11-18 20:27:29,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 14 letters. Loop has 3 letters. [2022-11-18 20:27:29,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:27:29,854 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:27:29,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:27:29,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:29,971 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 20:27:29,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:30,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:30,008 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-18 20:27:30,008 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-18 20:27:30,058 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 29 states and 36 transitions. Complement of second has 6 states. [2022-11-18 20:27:30,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:27:30,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-18 20:27:30,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2022-11-18 20:27:30,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 14 letters. Loop has 3 letters. [2022-11-18 20:27:30,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:27:30,060 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:27:30,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:30,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:27:30,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:30,182 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 20:27:30,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:30,225 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-18 20:27:30,225 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-18 20:27:30,269 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 24 states and 29 transitions. Complement of second has 5 states. [2022-11-18 20:27:30,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:27:30,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-18 20:27:30,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2022-11-18 20:27:30,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 14 letters. Loop has 3 letters. [2022-11-18 20:27:30,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:27:30,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 17 letters. Loop has 3 letters. [2022-11-18 20:27:30,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:27:30,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 14 letters. Loop has 6 letters. [2022-11-18 20:27:30,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:27:30,279 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2022-11-18 20:27:30,282 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:27:30,282 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2022-11-18 20:27:30,282 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:27:30,283 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:27:30,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:27:30,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:27:30,283 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:27:30,283 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:27:30,283 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:27:30,283 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-18 20:27:30,284 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:27:30,284 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:27:30,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 20:27:30,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:27:30 BoogieIcfgContainer [2022-11-18 20:27:30,294 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:27:30,294 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:27:30,295 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:27:30,295 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:27:30,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:27:16" (3/4) ... [2022-11-18 20:27:30,298 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:27:30,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:27:30,299 INFO L158 Benchmark]: Toolchain (without parser) took 14835.90ms. Allocated memory was 165.7MB in the beginning and 264.2MB in the end (delta: 98.6MB). Free memory was 129.8MB in the beginning and 173.4MB in the end (delta: -43.6MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2022-11-18 20:27:30,299 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 88.1MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 40.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:27:30,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.60ms. Allocated memory is still 165.7MB. Free memory was 129.4MB in the beginning and 133.2MB in the end (delta: -3.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:27:30,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.33ms. Allocated memory is still 165.7MB. Free memory was 133.2MB in the beginning and 131.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:27:30,301 INFO L158 Benchmark]: Boogie Preprocessor took 27.73ms. Allocated memory is still 165.7MB. Free memory was 131.2MB in the beginning and 129.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:27:30,301 INFO L158 Benchmark]: RCFGBuilder took 347.68ms. Allocated memory is still 165.7MB. Free memory was 129.9MB in the beginning and 118.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:27:30,301 INFO L158 Benchmark]: BuchiAutomizer took 13913.54ms. Allocated memory was 165.7MB in the beginning and 264.2MB in the end (delta: 98.6MB). Free memory was 118.1MB in the beginning and 173.4MB in the end (delta: -55.3MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2022-11-18 20:27:30,302 INFO L158 Benchmark]: Witness Printer took 3.75ms. Allocated memory is still 264.2MB. Free memory is still 173.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:27:30,303 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 88.1MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 40.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.60ms. Allocated memory is still 165.7MB. Free memory was 129.4MB in the beginning and 133.2MB in the end (delta: -3.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.33ms. Allocated memory is still 165.7MB. Free memory was 133.2MB in the beginning and 131.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.73ms. Allocated memory is still 165.7MB. Free memory was 131.2MB in the beginning and 129.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 347.68ms. Allocated memory is still 165.7MB. Free memory was 129.9MB in the beginning and 118.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 13913.54ms. Allocated memory was 165.7MB in the beginning and 264.2MB in the end (delta: 98.6MB). Free memory was 118.1MB in the beginning and 173.4MB in the end (delta: -55.3MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. * Witness Printer took 3.75ms. Allocated memory is still 264.2MB. Free memory is still 173.4MB. There was no memory consumed. 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 * s1 + unknown-#length-unknown[nondetString1] and consists of 3 locations. One deterministic module has affine ranking function -1 * scanp + unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[nondetString2] + -1 * scanp and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.8s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 12.2s. Construction of modules took 0.1s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 3 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, 99 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 99 mSDsluCounter, 182 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 92 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 130 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 90 mSDtfsCounter, 130 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital233 mio100 ax107 hnf100 lsp90 ukn87 mio100 lsp31 div156 bol100 ite100 ukn100 eq170 hnf91 smp72 dnf100 smp100 tf100 neg99 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 117ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 56 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! [2022-11-18 20:27:30,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:30,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5642cb4b-7d6b-46fe-afa5-8984cab9e250/bin/uautomizer-TMbwUNV5ro/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