./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcspn_mixed_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/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_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcspn_mixed_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/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_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/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 f2e994fbd4308fecf33fa0184f8cdc44b0ef95d4019fc8f460440561d10a29a6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:29:44,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:29:44,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:29:44,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:29:44,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:29:44,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:29:44,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:29:44,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:29:44,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:29:44,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:29:44,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:29:44,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:29:44,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:29:44,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:29:44,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:29:44,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:29:44,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:29:44,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:29:44,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:29:44,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:29:44,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:29:44,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:29:44,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:29:44,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:29:44,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:29:44,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:29:44,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:29:44,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:29:44,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:29:44,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:29:44,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:29:44,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:29:44,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:29:44,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:29:44,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:29:44,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:29:44,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:29:44,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:29:44,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:29:44,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:29:44,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:29:44,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 20:29:44,739 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:29:44,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:29:44,740 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:29:44,740 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:29:44,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:29:44,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:29:44,742 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:29:44,742 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:29:44,743 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:29:44,743 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:29:44,744 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:29:44,744 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:29:44,744 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:29:44,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:29:44,745 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:29:44,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:29:44,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:29:44,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:29:44,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:29:44,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:29:44,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:29:44,746 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:29:44,746 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:29:44,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:29:44,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:29:44,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:29:44,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:29:44,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:29:44,750 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:29:44,750 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_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2e994fbd4308fecf33fa0184f8cdc44b0ef95d4019fc8f460440561d10a29a6 [2022-11-18 20:29:45,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:29:45,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:29:45,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:29:45,094 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:29:45,095 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:29:45,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-15/cstrcspn_mixed_alloca.i [2022-11-18 20:29:45,161 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/data/12a050f30/b715d61ada2943649f7f3c2d58682c3d/FLAG56eea49de [2022-11-18 20:29:45,695 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:29:45,703 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/sv-benchmarks/c/termination-15/cstrcspn_mixed_alloca.i [2022-11-18 20:29:45,711 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/data/12a050f30/b715d61ada2943649f7f3c2d58682c3d/FLAG56eea49de [2022-11-18 20:29:46,021 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/data/12a050f30/b715d61ada2943649f7f3c2d58682c3d [2022-11-18 20:29:46,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:29:46,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:29:46,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:29:46,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:29:46,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:29:46,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:29:46" (1/1) ... [2022-11-18 20:29:46,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6162a56f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:46, skipping insertion in model container [2022-11-18 20:29:46,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:29:46" (1/1) ... [2022-11-18 20:29:46,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:29:46,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:29:46,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:29:46,477 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:29:46,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:29:46,565 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:29:46,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:46 WrapperNode [2022-11-18 20:29:46,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:29:46,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:29:46,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:29:46,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:29:46,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:46" (1/1) ... [2022-11-18 20:29:46,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:46" (1/1) ... [2022-11-18 20:29:46,640 INFO L138 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2022-11-18 20:29:46,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:29:46,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:29:46,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:29:46,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:29:46,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:46" (1/1) ... [2022-11-18 20:29:46,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:46" (1/1) ... [2022-11-18 20:29:46,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:46" (1/1) ... [2022-11-18 20:29:46,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:46" (1/1) ... [2022-11-18 20:29:46,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:46" (1/1) ... [2022-11-18 20:29:46,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:46" (1/1) ... [2022-11-18 20:29:46,691 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:46" (1/1) ... [2022-11-18 20:29:46,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:46" (1/1) ... [2022-11-18 20:29:46,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:29:46,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:29:46,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:29:46,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:29:46,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:46" (1/1) ... [2022-11-18 20:29:46,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:46,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:46,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:46,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:29:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:29:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:29:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:29:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:29:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:29:46,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:29:46,887 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:29:46,889 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:29:47,145 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:29:47,155 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:29:47,155 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 20:29:47,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:29:47 BoogieIcfgContainer [2022-11-18 20:29:47,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:29:47,158 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:29:47,159 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:29:47,163 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:29:47,164 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:29:47,164 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:29:46" (1/3) ... [2022-11-18 20:29:47,165 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a7c258f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:29:47, skipping insertion in model container [2022-11-18 20:29:47,166 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:29:47,166 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:46" (2/3) ... [2022-11-18 20:29:47,171 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a7c258f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:29:47, skipping insertion in model container [2022-11-18 20:29:47,171 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:29:47,171 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:29:47" (3/3) ... [2022-11-18 20:29:47,173 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrcspn_mixed_alloca.i [2022-11-18 20:29:47,254 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:29:47,254 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:29:47,254 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:29:47,254 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:29:47,254 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:29:47,255 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:29:47,255 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:29:47,255 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:29:47,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:47,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 20:29:47,308 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:29:47,308 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:29:47,313 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 20:29:47,313 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-18 20:29:47,314 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:29:47,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:47,315 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 20:29:47,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:29:47,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:29:47,316 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 20:29:47,316 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-18 20:29:47,324 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 16#L382true assume !(main_~length1~0#1 < 1); 14#L382-2true assume !(main_~length2~0#1 < 1); 5#L385-1true call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 9#L369-4true [2022-11-18 20:29:47,325 INFO L750 eck$LassoCheckResult]: Loop: 9#L369-4true call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 15#L369-1true assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 7#L372-5true assume !true; 6#L372-6true call cstrcspn_#t~mem212#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 17#L374true assume !(cstrcspn_#t~mem212#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem212#1; 10#L369-3true cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post205#1.base, 1 + cstrcspn_#t~post205#1.offset;havoc cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset; 9#L369-4true [2022-11-18 20:29:47,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:47,332 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-11-18 20:29:47,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:47,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799699573] [2022-11-18 20:29:47,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:47,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:47,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:47,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:47,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:47,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2022-11-18 20:29:47,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:47,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131530824] [2022-11-18 20:29:47,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:47,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:47,588 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 20:29:47,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:47,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131530824] [2022-11-18 20:29:47,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131530824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:47,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:47,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:29:47,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000480929] [2022-11-18 20:29:47,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:47,595 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 20:29:47,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:47,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:29:47,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:29:47,635 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:47,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:47,644 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2022-11-18 20:29:47,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2022-11-18 20:29:47,649 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 20:29:47,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2022-11-18 20:29:47,654 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-18 20:29:47,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-18 20:29:47,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2022-11-18 20:29:47,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:29:47,656 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-18 20:29:47,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2022-11-18 20:29:47,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-18 20:29:47,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:47,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2022-11-18 20:29:47,685 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-18 20:29:47,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:29:47,695 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-18 20:29:47,695 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:29:47,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2022-11-18 20:29:47,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 20:29:47,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:29:47,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:29:47,697 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 20:29:47,697 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:47,697 INFO L748 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 45#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 52#L382 assume !(main_~length1~0#1 < 1); 56#L382-2 assume !(main_~length2~0#1 < 1); 46#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 47#L369-4 [2022-11-18 20:29:47,697 INFO L750 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 53#L369-1 assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 50#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 0 != cstrcspn_#t~mem208#1; 51#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 55#L372-3 assume !cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1; 48#L372-6 call cstrcspn_#t~mem212#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 49#L374 assume !(cstrcspn_#t~mem212#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem212#1; 54#L369-3 cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post205#1.base, 1 + cstrcspn_#t~post205#1.offset;havoc cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset; 47#L369-4 [2022-11-18 20:29:47,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:47,698 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2022-11-18 20:29:47,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:47,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694149117] [2022-11-18 20:29:47,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:47,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:47,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:47,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:47,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:47,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2022-11-18 20:29:47,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:47,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655874006] [2022-11-18 20:29:47,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:47,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:47,772 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:47,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:47,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:47,786 INFO L85 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2022-11-18 20:29:47,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:47,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314489606] [2022-11-18 20:29:47,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:47,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:47,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:47,935 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:49,263 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:29:49,265 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:29:49,266 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:29:49,266 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:29:49,266 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:29:49,267 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:49,267 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:29:49,267 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:29:49,267 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn_mixed_alloca.i_Iteration2_Lasso [2022-11-18 20:29:49,267 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:29:49,268 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:29:49,295 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 20:29:49,306 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 20:29:49,310 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 20:29:49,314 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 20:29:49,318 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 20:29:49,321 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 20:29:49,324 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 20:29:49,328 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 20:29:49,331 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 20:29:49,334 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 20:29:49,338 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 20:29:50,194 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 20:29:50,197 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 20:29:50,199 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 20:29:50,202 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 20:29:50,205 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 20:29:50,211 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 20:29:50,217 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 20:29:51,321 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:29:51,325 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:29:51,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:51,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:51,332 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:51,345 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 20:29:51,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:51,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:51,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:51,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:51,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:51,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:51,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:51,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:29:51,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:51,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:51,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:51,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:51,382 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:51,391 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 20:29:51,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:51,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:51,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:51,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:51,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:51,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:51,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:51,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:51,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:29:51,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:51,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:51,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:51,425 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:51,442 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 20:29:51,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:51,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:51,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:51,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:51,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:51,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:51,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:51,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:29:51,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:51,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:51,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:51,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:51,482 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:51,491 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 20:29:51,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:51,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:51,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:51,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:51,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:51,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:51,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:29:51,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:51,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:51,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:51,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:51,541 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:51,552 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 20:29:51,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:51,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:51,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:51,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:51,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:51,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:51,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:51,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:29:51,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:51,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:51,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:51,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:51,593 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:51,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:29:51,599 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 20:29:51,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:51,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:51,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:51,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:51,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:51,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:51,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:51,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:51,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-18 20:29:51,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:51,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:51,631 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:51,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:29:51,634 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 20:29:51,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:51,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:51,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:51,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:51,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:51,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:51,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:51,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:51,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:51,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:51,669 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:51,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:29:51,679 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 20:29:51,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:51,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:51,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:51,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:51,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:51,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:51,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:51,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:51,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:51,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:51,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:51,710 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:51,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:29:51,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:29:51,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:51,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:51,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:51,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:51,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:51,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:51,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:51,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:51,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:51,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:51,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:51,748 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:51,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:29:51,756 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 20:29:51,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:51,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:29:51,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:51,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:51,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:51,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:29:51,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:29:51,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:51,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:51,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:51,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:51,781 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:51,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:29:51,785 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 20:29:51,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:51,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:51,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:51,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:51,799 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:51,799 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:51,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:51,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:51,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:51,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:51,831 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:51,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:29:51,834 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 20:29:51,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:51,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:51,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:51,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:51,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:51,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:51,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:51,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:51,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:51,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:51,884 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:51,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 20:29:51,887 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 20:29:51,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:51,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:51,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:51,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:51,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:51,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:51,949 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:29:52,004 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-18 20:29:52,005 INFO L444 ModelExtractionUtils]: 17 out of 55 variables were initially zero. Simplification set additionally 35 variables to zero. [2022-11-18 20:29:52,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:52,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:52,008 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:52,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 20:29:52,078 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:29:52,112 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:29:52,113 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:29:52,113 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~sc1~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1) = -1*ULTIMATE.start_cstrcspn_~sc1~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 Supporting invariants [] [2022-11-18 20:29:52,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:52,193 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-11-18 20:29:52,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:52,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:29:52,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:52,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:29:52,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:52,412 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 20:29:52,415 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 20:29:52,417 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:52,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:52,523 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 4 states. [2022-11-18 20:29:52,524 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 20:29:52,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:52,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2022-11-18 20:29:52,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2022-11-18 20:29:52,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:52,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2022-11-18 20:29:52,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:52,529 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2022-11-18 20:29:52,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:52,530 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2022-11-18 20:29:52,533 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:29:52,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2022-11-18 20:29:52,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-18 20:29:52,537 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:29:52,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2022-11-18 20:29:52,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:29:52,538 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-18 20:29:52,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2022-11-18 20:29:52,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-18 20:29:52,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:52,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2022-11-18 20:29:52,542 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-18 20:29:52,545 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-18 20:29:52,545 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:29:52,546 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2022-11-18 20:29:52,551 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:29:52,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:29:52,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:29:52,552 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:52,552 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:29:52,552 INFO L748 eck$LassoCheckResult]: Stem: 193#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 194#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 203#L382 assume !(main_~length1~0#1 < 1); 210#L382-2 assume !(main_~length2~0#1 < 1); 195#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 196#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 205#L369-1 assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 199#L372-5 [2022-11-18 20:29:52,553 INFO L750 eck$LassoCheckResult]: Loop: 199#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 0 != cstrcspn_#t~mem208#1; 200#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 208#L372-3 assume !!cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1;cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset - 1;havoc cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset; 199#L372-5 [2022-11-18 20:29:52,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:52,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2022-11-18 20:29:52,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:52,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575417853] [2022-11-18 20:29:52,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:52,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:52,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:52,612 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:52,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:52,613 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2022-11-18 20:29:52,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:52,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533578825] [2022-11-18 20:29:52,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:52,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:52,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:52,624 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:52,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:52,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2022-11-18 20:29:52,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:52,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087710532] [2022-11-18 20:29:52,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:52,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:52,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:52,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:53,742 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:29:53,742 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:29:53,742 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:29:53,742 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:29:53,743 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:29:53,743 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:53,743 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:29:53,743 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:29:53,743 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn_mixed_alloca.i_Iteration3_Lasso [2022-11-18 20:29:53,743 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:29:53,743 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:29:53,747 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 20:29:54,470 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 20:29:54,472 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 20:29:54,476 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 20:29:54,479 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 20:29:54,481 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 20:29:54,483 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 20:29:54,485 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 20:29:54,487 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 20:29:54,490 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:54,491 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 20:29:54,493 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:54,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:54,498 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 20:29:54,501 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 20:29:54,503 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:54,507 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 20:29:54,510 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:29:55,523 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:29:55,523 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:29:55,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:55,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:55,529 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:55,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 20:29:55,537 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 20:29:55,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:55,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:55,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:55,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:55,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:55,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:55,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:55,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-11-18 20:29:55,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:55,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:55,586 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:55,596 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 20:29:55,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:55,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:55,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:55,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:55,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:55,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:55,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 20:29:55,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:55,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:55,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:55,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:55,635 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:55,644 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 20:29:55,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:55,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:55,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:55,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:55,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:55,659 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:55,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 20:29:55,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:29:55,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:55,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:55,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:55,697 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:55,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 20:29:55,701 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 20:29:55,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:29:55,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:29:55,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:29:55,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:29:55,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:29:55,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:29:55,769 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:29:55,828 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-18 20:29:55,828 INFO L444 ModelExtractionUtils]: 9 out of 55 variables were initially zero. Simplification set additionally 43 variables to zero. [2022-11-18 20:29:55,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:55,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:55,831 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:55,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 20:29:55,839 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:29:55,850 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:29:55,850 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:29:55,850 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~s~0#1.offset) = 2*ULTIMATE.start_cstrcspn_~s~0#1.offset + 1 Supporting invariants [] [2022-11-18 20:29:55,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:55,940 INFO L156 tatePredicateManager]: 19 out of 19 supporting invariants were superfluous and have been removed [2022-11-18 20:29:55,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:55,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:29:55,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:29:56,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:56,026 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 20:29:56,027 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 20:29:56,027 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:56,056 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 57 transitions. Complement of second has 5 states. [2022-11-18 20:29:56,057 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 20:29:56,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:56,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-11-18 20:29:56,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-18 20:29:56,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:56,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2022-11-18 20:29:56,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:56,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2022-11-18 20:29:56,061 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:29:56,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2022-11-18 20:29:56,069 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:29:56,070 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2022-11-18 20:29:56,070 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:29:56,070 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-18 20:29:56,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2022-11-18 20:29:56,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:29:56,071 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 40 transitions. [2022-11-18 20:29:56,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2022-11-18 20:29:56,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2022-11-18 20:29:56,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:56,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2022-11-18 20:29:56,076 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-11-18 20:29:56,076 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-11-18 20:29:56,077 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 20:29:56,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2022-11-18 20:29:56,078 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:29:56,078 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:29:56,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:29:56,079 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:56,079 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:29:56,079 INFO L748 eck$LassoCheckResult]: Stem: 380#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 381#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 390#L382 assume !(main_~length1~0#1 < 1); 399#L382-2 assume !(main_~length2~0#1 < 1); 382#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 383#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 391#L369-1 assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 400#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 0 != cstrcspn_#t~mem208#1; 403#L372-1 assume !cstrcspn_#t~short210#1; 401#L372-3 assume !cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1; 384#L372-6 call cstrcspn_#t~mem212#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 385#L374 assume !(cstrcspn_#t~mem212#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem212#1; 395#L369-3 cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post205#1.base, 1 + cstrcspn_#t~post205#1.offset;havoc cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset; 392#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 394#L369-1 assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 386#L372-5 [2022-11-18 20:29:56,079 INFO L750 eck$LassoCheckResult]: Loop: 386#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 0 != cstrcspn_#t~mem208#1; 387#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 396#L372-3 assume !!cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1;cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset - 1;havoc cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset; 386#L372-5 [2022-11-18 20:29:56,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:56,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2022-11-18 20:29:56,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:56,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106170680] [2022-11-18 20:29:56,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:56,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:56,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:56,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:56,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:56,135 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2022-11-18 20:29:56,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:56,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445721920] [2022-11-18 20:29:56,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:56,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:56,141 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:56,146 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:56,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:56,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1999924968, now seen corresponding path program 1 times [2022-11-18 20:29:56,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:56,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372836564] [2022-11-18 20:29:56,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:56,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-11-18 20:29:56,520 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:56,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:56,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372836564] [2022-11-18 20:29:56,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372836564] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:29:56,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391480065] [2022-11-18 20:29:56,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:56,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:29:56,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:56,527 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:29:56,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-18 20:29:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-18 20:29:56,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:56,656 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-18 20:29:56,657 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 20:29:56,727 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:56,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:29:56,782 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:56,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391480065] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:29:56,782 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:29:56,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 11 [2022-11-18 20:29:56,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396656790] [2022-11-18 20:29:56,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:29:56,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:56,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 20:29:56,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:29:56,900 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:57,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:57,035 INFO L93 Difference]: Finished difference Result 59 states and 72 transitions. [2022-11-18 20:29:57,035 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 72 transitions. [2022-11-18 20:29:57,036 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:29:57,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 43 states and 53 transitions. [2022-11-18 20:29:57,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-18 20:29:57,038 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-18 20:29:57,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 53 transitions. [2022-11-18 20:29:57,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:29:57,038 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 53 transitions. [2022-11-18 20:29:57,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 53 transitions. [2022-11-18 20:29:57,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 28. [2022-11-18 20:29:57,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:57,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2022-11-18 20:29:57,041 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 36 transitions. [2022-11-18 20:29:57,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:29:57,043 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2022-11-18 20:29:57,043 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-18 20:29:57,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2022-11-18 20:29:57,043 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:29:57,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:29:57,044 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:29:57,044 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:57,044 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:29:57,045 INFO L748 eck$LassoCheckResult]: Stem: 585#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 586#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 595#L382 assume !(main_~length1~0#1 < 1); 604#L382-2 assume !(main_~length2~0#1 < 1); 587#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 588#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 596#L369-1 assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 609#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 0 != cstrcspn_#t~mem208#1; 602#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 603#L372-3 assume !cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1; 589#L372-6 call cstrcspn_#t~mem212#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 590#L374 assume !(cstrcspn_#t~mem212#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem212#1; 600#L369-3 cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post205#1.base, 1 + cstrcspn_#t~post205#1.offset;havoc cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset; 597#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 599#L369-1 assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 591#L372-5 [2022-11-18 20:29:57,045 INFO L750 eck$LassoCheckResult]: Loop: 591#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 0 != cstrcspn_#t~mem208#1; 592#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 601#L372-3 assume !!cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1;cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset - 1;havoc cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset; 591#L372-5 [2022-11-18 20:29:57,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:57,045 INFO L85 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2022-11-18 20:29:57,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:57,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453227923] [2022-11-18 20:29:57,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:57,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:57,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:57,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:57,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:57,092 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2022-11-18 20:29:57,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:57,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408044207] [2022-11-18 20:29:57,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:57,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:57,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:57,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:57,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:57,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2022-11-18 20:29:57,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:57,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743985386] [2022-11-18 20:29:57,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:57,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:57,125 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:57,146 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:58,625 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:29:58,625 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:29:58,625 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:29:58,625 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:29:58,626 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:29:58,626 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:29:58,626 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:29:58,626 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:29:58,626 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn_mixed_alloca.i_Iteration5_Lasso [2022-11-18 20:29:58,626 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:29:58,626 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:29:58,630 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 20:29:58,633 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 20:29:58,635 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 20:29:58,638 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 20:29:58,640 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 20:29:58,643 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 20:29:58,651 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 20:29:58,654 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 20:29:58,656 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 20:29:58,659 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 20:29:58,661 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 20:29:58,664 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 20:29:58,666 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 20:29:58,668 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 20:29:59,724 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 20:29:59,727 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 20:29:59,731 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 20:29:59,733 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 20:30:01,346 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:30:01,346 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:30:01,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:01,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:01,350 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:01,399 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 20:30:01,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:01,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:30:01,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:01,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:01,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:01,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:30:01,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:30:01,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 20:30:01,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:01,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-18 20:30:01,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:01,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:01,437 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:01,441 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 20:30:01,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-18 20:30:01,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:01,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:30:01,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:01,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:01,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:01,452 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:30:01,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:30:01,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:01,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-18 20:30:01,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:01,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:01,458 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:01,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 20:30:01,472 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 20:30:01,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:01,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:01,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:01,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:01,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:30:01,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:30:01,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:01,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-18 20:30:01,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:01,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:01,492 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:01,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 20:30:01,497 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 20:30:01,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:01,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:30:01,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:01,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:01,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:01,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:30:01,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:30:01,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:01,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-18 20:30:01,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:01,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:01,514 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:01,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-18 20:30:01,517 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 20:30:01,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:01,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:30:01,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:01,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:01,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:01,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:30:01,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:30:01,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:01,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-18 20:30:01,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:01,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:01,536 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:01,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-18 20:30:01,542 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 20:30:01,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:01,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:30:01,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:01,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:01,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:01,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:30:01,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:30:01,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:01,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-18 20:30:01,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:01,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:01,572 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:01,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-18 20:30:01,577 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 20:30:01,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:01,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:30:01,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:01,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:01,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:01,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:30:01,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:30:01,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:01,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-18 20:30:01,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:01,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:01,595 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:01,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-18 20:30:01,599 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 20:30:01,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:01,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:30:01,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:01,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:01,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:01,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:30:01,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:30:01,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:01,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-18 20:30:01,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:01,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:01,614 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:01,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-18 20:30:01,617 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 20:30:01,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:01,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:01,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:01,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:01,628 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:30:01,628 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:30:01,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:01,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-18 20:30:01,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:01,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:01,635 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:01,639 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 20:30:01,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:01,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:30:01,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:01,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:01,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:01,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:30:01,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:30:01,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-18 20:30:01,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:01,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-18 20:30:01,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:01,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:01,658 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:01,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-18 20:30:01,660 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 20:30:01,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:01,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:30:01,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:01,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:01,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:01,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:30:01,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:30:01,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:01,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-18 20:30:01,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:01,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:01,676 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:01,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-18 20:30:01,678 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 20:30:01,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:01,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:30:01,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:01,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:01,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:01,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:30:01,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:30:01,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:01,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-18 20:30:01,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:01,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:01,694 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:01,697 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 20:30:01,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-18 20:30:01,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:01,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:30:01,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:01,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:01,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:01,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:30:01,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:30:01,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:01,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-18 20:30:01,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:01,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:01,714 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:01,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-18 20:30:01,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:30:01,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:01,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:01,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:01,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:01,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:30:01,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:30:01,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:01,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-18 20:30:01,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:01,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:01,748 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:01,755 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 20:30:01,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:01,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:01,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:01,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:01,769 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:30:01,769 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:30:01,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-18 20:30:01,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:01,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-18 20:30:01,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:01,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:01,792 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:01,800 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 20:30:01,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:01,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:01,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:01,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:01,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:30:01,814 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:30:01,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-18 20:30:01,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:01,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-18 20:30:01,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:01,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:01,844 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:01,848 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 20:30:01,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:01,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:01,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:01,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:01,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-18 20:30:01,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:30:01,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:30:01,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:01,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-18 20:30:01,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:01,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:01,898 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:01,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-18 20:30:01,902 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 20:30:01,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:01,912 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2022-11-18 20:30:01,913 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2022-11-18 20:30:01,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:02,038 INFO L401 nArgumentSynthesizer]: We have 180 Motzkin's Theorem applications. [2022-11-18 20:30:02,038 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-11-18 20:30:02,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:02,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-18 20:30:02,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:02,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:02,285 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:02,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-18 20:30:02,292 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 20:30:02,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:02,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:02,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:02,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:02,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:30:02,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:30:02,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:02,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-18 20:30:02,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:02,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:02,316 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:02,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-18 20:30:02,332 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 20:30:02,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:02,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:02,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:02,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:02,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:30:02,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:30:02,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:30:02,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-18 20:30:02,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:02,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:02,352 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:02,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-18 20:30:02,354 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 20:30:02,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:30:02,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:30:02,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:30:02,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:30:02,377 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:30:02,377 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:30:02,410 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:30:02,505 INFO L443 ModelExtractionUtils]: Simplification made 30 calls to the SMT solver. [2022-11-18 20:30:02,505 INFO L444 ModelExtractionUtils]: 8 out of 55 variables were initially zero. Simplification set additionally 44 variables to zero. [2022-11-18 20:30:02,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:30:02,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:02,511 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:02,516 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:30:02,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-18 20:30:02,551 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:30:02,551 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:30:02,552 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcspn_~s2#1.base)_1, ULTIMATE.start_cstrcspn_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcspn_~s2#1.base)_1 + 2*ULTIMATE.start_cstrcspn_~s~0#1.offset Supporting invariants [] [2022-11-18 20:30:02,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-18 20:30:02,709 INFO L156 tatePredicateManager]: 27 out of 28 supporting invariants were superfluous and have been removed [2022-11-18 20:30:02,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:02,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:30:02,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:30:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:02,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:30:02,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:30:02,835 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 20:30:02,836 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 20:30:02,836 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:02,873 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 58 transitions. Complement of second has 5 states. [2022-11-18 20:30:02,874 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 20:30:02,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:02,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-11-18 20:30:02,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-18 20:30:02,875 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:30:02,875 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:30:02,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:02,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:30:02,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:30:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:02,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:30:02,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:30:02,988 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 20:30:02,989 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 20:30:02,989 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:03,021 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 58 transitions. Complement of second has 5 states. [2022-11-18 20:30:03,021 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 20:30:03,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:03,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-11-18 20:30:03,022 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-18 20:30:03,023 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:30:03,023 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:30:03,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:03,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:30:03,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:30:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:03,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:30:03,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:30:03,143 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 20:30:03,144 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 20:30:03,144 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:03,184 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 60 transitions. Complement of second has 4 states. [2022-11-18 20:30:03,187 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 20:30:03,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:30:03,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2022-11-18 20:30:03,188 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-18 20:30:03,188 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:30:03,188 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2022-11-18 20:30:03,188 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:30:03,188 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2022-11-18 20:30:03,189 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:30:03,189 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 60 transitions. [2022-11-18 20:30:03,190 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:30:03,191 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 0 states and 0 transitions. [2022-11-18 20:30:03,191 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:30:03,191 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:30:03,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:30:03,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:30:03,191 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:30:03,191 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:30:03,192 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:30:03,192 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-18 20:30:03,192 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:30:03,192 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:30:03,192 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 20:30:03,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:30:03 BoogieIcfgContainer [2022-11-18 20:30:03,199 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:30:03,199 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:30:03,199 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:30:03,200 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:30:03,200 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:29:47" (3/4) ... [2022-11-18 20:30:03,203 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:30:03,203 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:30:03,204 INFO L158 Benchmark]: Toolchain (without parser) took 17177.34ms. Allocated memory was 104.9MB in the beginning and 169.9MB in the end (delta: 65.0MB). Free memory was 72.7MB in the beginning and 63.2MB in the end (delta: 9.5MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. [2022-11-18 20:30:03,204 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:30:03,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.57ms. Allocated memory is still 104.9MB. Free memory was 72.7MB in the beginning and 71.5MB in the end (delta: 1.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 20:30:03,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.81ms. Allocated memory is still 104.9MB. Free memory was 71.5MB in the beginning and 69.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:30:03,205 INFO L158 Benchmark]: Boogie Preprocessor took 43.46ms. Allocated memory is still 104.9MB. Free memory was 69.4MB in the beginning and 67.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:30:03,205 INFO L158 Benchmark]: RCFGBuilder took 462.45ms. Allocated memory is still 104.9MB. Free memory was 67.7MB in the beginning and 54.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:30:03,206 INFO L158 Benchmark]: BuchiAutomizer took 16040.55ms. Allocated memory was 104.9MB in the beginning and 169.9MB in the end (delta: 65.0MB). Free memory was 54.7MB in the beginning and 64.2MB in the end (delta: -9.6MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2022-11-18 20:30:03,206 INFO L158 Benchmark]: Witness Printer took 3.95ms. Allocated memory is still 169.9MB. Free memory was 64.2MB in the beginning and 63.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:30:03,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 535.57ms. Allocated memory is still 104.9MB. Free memory was 72.7MB in the beginning and 71.5MB in the end (delta: 1.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.81ms. Allocated memory is still 104.9MB. Free memory was 71.5MB in the beginning and 69.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.46ms. Allocated memory is still 104.9MB. Free memory was 69.4MB in the beginning and 67.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 462.45ms. Allocated memory is still 104.9MB. Free memory was 67.7MB in the beginning and 54.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 16040.55ms. Allocated memory was 104.9MB in the beginning and 169.9MB in the end (delta: 65.0MB). Free memory was 54.7MB in the beginning and 64.2MB in the end (delta: -9.6MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. * Witness Printer took 3.95ms. Allocated memory is still 169.9MB. Free memory was 64.2MB in the beginning and 63.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * sc1 + unknown-#length-unknown[nondetString1] and consists of 3 locations. One deterministic module has affine ranking function 2 * s + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * s + unknown-#length-unknown[s2] and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.9s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 14.6s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 130 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 129 mSDsluCounter, 182 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 71 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 111 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital286 mio100 ax100 hnf100 lsp103 ukn82 mio100 lsp46 div163 bol100 ite100 ukn100 eq166 hnf92 smp70 dnf532 smp32 tf100 neg97 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 381ms VariablesStem: 7 VariablesLoop: 4 DisjunctsStem: 8 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 180 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 20:30:03,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-18 20:30:03,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2022-11-18 20:30:03,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089d498-81d2-4b63-bac3-c6cb3e1bc10f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE