./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/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_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/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 32bit --witnessprinter.graph.data.programhash 45a8f33f173b19ce98ca13bb7c3a70605cebce85501309e729b51c966620adf7 --- 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 19:51:12,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:51:12,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:51:12,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:51:12,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:51:12,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:51:12,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:51:12,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:51:12,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:51:12,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:51:12,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:51:12,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:51:12,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:51:12,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:51:12,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:51:12,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:51:12,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:51:12,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:51:12,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:51:12,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:51:12,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:51:12,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:51:12,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:51:12,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:51:12,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:51:12,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:51:12,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:51:12,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:51:12,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:51:12,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:51:12,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:51:12,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:51:12,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:51:12,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:51:12,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:51:12,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:51:12,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:51:12,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:51:12,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:51:12,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:51:12,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:51:12,612 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 19:51:12,640 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:51:12,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:51:12,641 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:51:12,641 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:51:12,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:51:12,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:51:12,642 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:51:12,642 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 19:51:12,642 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 19:51:12,643 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 19:51:12,643 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 19:51:12,643 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 19:51:12,643 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 19:51:12,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:51:12,643 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:51:12,644 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:51:12,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:51:12,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:51:12,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:51:12,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 19:51:12,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 19:51:12,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 19:51:12,645 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:51:12,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:51:12,645 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 19:51:12,645 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:51:12,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 19:51:12,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:51:12,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:51:12,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:51:12,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:51:12,647 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 19:51:12,647 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_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45a8f33f173b19ce98ca13bb7c3a70605cebce85501309e729b51c966620adf7 [2022-11-18 19:51:12,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:51:12,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:51:12,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:51:12,979 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:51:12,980 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:51:12,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i [2022-11-18 19:51:13,045 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/data/1e1e21251/ecc06d3e47f7451885994314a0eec850/FLAGb7826a468 [2022-11-18 19:51:13,613 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:51:13,613 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i [2022-11-18 19:51:13,630 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/data/1e1e21251/ecc06d3e47f7451885994314a0eec850/FLAGb7826a468 [2022-11-18 19:51:13,915 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/data/1e1e21251/ecc06d3e47f7451885994314a0eec850 [2022-11-18 19:51:13,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:51:13,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:51:13,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:51:13,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:51:13,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:51:13,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:51:13" (1/1) ... [2022-11-18 19:51:13,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a430e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:13, skipping insertion in model container [2022-11-18 19:51:13,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:51:13" (1/1) ... [2022-11-18 19:51:13,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:51:14,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:51:14,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:51:14,285 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:51:14,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:51:14,350 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:51:14,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:14 WrapperNode [2022-11-18 19:51:14,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:51:14,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:51:14,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:51:14,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:51:14,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:14" (1/1) ... [2022-11-18 19:51:14,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:14" (1/1) ... [2022-11-18 19:51:14,393 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2022-11-18 19:51:14,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:51:14,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:51:14,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:51:14,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:51:14,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:14" (1/1) ... [2022-11-18 19:51:14,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:14" (1/1) ... [2022-11-18 19:51:14,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:14" (1/1) ... [2022-11-18 19:51:14,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:14" (1/1) ... [2022-11-18 19:51:14,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:14" (1/1) ... [2022-11-18 19:51:14,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:14" (1/1) ... [2022-11-18 19:51:14,418 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:14" (1/1) ... [2022-11-18 19:51:14,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:14" (1/1) ... [2022-11-18 19:51:14,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:51:14,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:51:14,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:51:14,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:51:14,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:14" (1/1) ... [2022-11-18 19:51:14,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:14,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:14,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:14,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 19:51:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:51:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:51:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:51:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:51:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:51:14,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:51:14,630 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:51:14,632 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:51:14,971 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:51:14,992 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:51:14,992 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 19:51:14,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:51:14 BoogieIcfgContainer [2022-11-18 19:51:14,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:51:14,996 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 19:51:14,996 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 19:51:15,012 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 19:51:15,013 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:51:15,013 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 07:51:13" (1/3) ... [2022-11-18 19:51:15,014 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10c8755c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:51:15, skipping insertion in model container [2022-11-18 19:51:15,014 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:51:15,014 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:14" (2/3) ... [2022-11-18 19:51:15,014 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10c8755c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:51:15, skipping insertion in model container [2022-11-18 19:51:15,015 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:51:15,015 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:51:14" (3/3) ... [2022-11-18 19:51:15,016 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrspn-alloca-1.i [2022-11-18 19:51:15,106 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 19:51:15,106 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 19:51:15,106 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 19:51:15,106 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 19:51:15,106 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 19:51:15,106 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 19:51:15,107 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 19:51:15,107 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 19:51:15,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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 19:51:15,154 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2022-11-18 19:51:15,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:51:15,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:51:15,160 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 19:51:15,161 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:51:15,161 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 19:51:15,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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 19:51:15,163 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2022-11-18 19:51:15,163 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:51:15,163 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:51:15,164 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 19:51:15,164 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:51:15,175 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; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#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~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 10#L532true assume !(main_~length1~0#1 < 1); 5#L532-2true assume !(main_~length2~0#1 < 1); 2#L535-1true call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 19#L541-3true [2022-11-18 19:51:15,177 INFO L750 eck$LassoCheckResult]: Loop: 19#L541-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 24#L541-2true main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 19#L541-3true [2022-11-18 19:51:15,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:15,183 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-11-18 19:51:15,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:15,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896863796] [2022-11-18 19:51:15,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:15,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:15,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:15,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:15,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:15,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2022-11-18 19:51:15,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:15,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626089867] [2022-11-18 19:51:15,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:15,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:15,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:15,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:15,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:15,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2022-11-18 19:51:15,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:15,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809924639] [2022-11-18 19:51:15,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:15,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:15,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:15,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:16,235 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:51:16,236 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:51:16,236 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:51:16,236 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:51:16,236 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:51:16,237 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:16,237 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:51:16,237 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:51:16,237 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn-alloca-1.i_Iteration1_Lasso [2022-11-18 19:51:16,237 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:51:16,237 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:51:16,261 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 19:51:16,536 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 19:51:16,540 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 19:51:16,549 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 19:51:16,552 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 19:51:16,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:51:16,559 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:51:16,562 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 19:51:16,566 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 19:51:16,569 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 19:51:16,573 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 19:51:16,576 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:51:16,581 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:51:16,585 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 19:51:16,589 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:51:17,067 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:51:17,072 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:51:17,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:17,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:17,085 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:17,094 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 19:51:17,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 19:51:17,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:17,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:17,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:17,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:17,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:17,148 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:17,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:17,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:17,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:17,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:17,199 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:17,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 19:51:17,202 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 19:51:17,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:17,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:17,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:17,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:17,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:17,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:17,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:17,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:17,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:17,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:17,239 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:17,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:51:17,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:17,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:17,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:17,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:17,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:17,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:17,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:17,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 19:51:17,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:17,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-18 19:51:17,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:17,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:17,275 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:17,284 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 19:51:17,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:17,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:17,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:17,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:17,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 19:51:17,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:17,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:17,349 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:51:17,385 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-18 19:51:17,385 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-11-18 19:51:17,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:17,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:17,393 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:17,395 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:51:17,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 19:51:17,414 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 19:51:17,414 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:51:17,415 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-11-18 19:51:17,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:17,447 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-18 19:51:17,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:17,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:51:17,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:51:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:17,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:51:17,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:51:17,579 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 19:51:17,651 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 19:51:17,653 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 19:51:17,718 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 60 states and 87 transitions. Complement of second has 7 states. [2022-11-18 19:51:17,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 19:51:17,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 19:51:17,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 59 transitions. [2022-11-18 19:51:17,727 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 59 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-18 19:51:17,728 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:51:17,728 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 59 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-18 19:51:17,728 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:51:17,728 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 59 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-18 19:51:17,728 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:51:17,729 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 87 transitions. [2022-11-18 19:51:17,732 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-11-18 19:51:17,736 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 20 states and 27 transitions. [2022-11-18 19:51:17,737 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-18 19:51:17,737 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-18 19:51:17,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2022-11-18 19:51:17,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:51:17,738 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-11-18 19:51:17,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2022-11-18 19:51:17,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-18 19:51:17,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.35) internal successors, (27), 19 states have internal predecessors, (27), 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 19:51:17,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2022-11-18 19:51:17,767 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-11-18 19:51:17,767 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-11-18 19:51:17,768 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 19:51:17,768 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2022-11-18 19:51:17,772 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-11-18 19:51:17,772 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:51:17,772 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:51:17,773 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:51:17,773 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:51:17,773 INFO L748 eck$LassoCheckResult]: Stem: 157#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 158#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#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~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 165#L532 assume !(main_~length1~0#1 < 1); 159#L532-2 assume !(main_~length2~0#1 < 1); 155#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 156#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 166#L541-4 main_~i~1#1 := 0; 162#L546-3 [2022-11-18 19:51:17,773 INFO L750 eck$LassoCheckResult]: Loop: 162#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 164#L546-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 162#L546-3 [2022-11-18 19:51:17,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:17,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2022-11-18 19:51:17,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:17,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095097499] [2022-11-18 19:51:17,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:17,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:17,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:17,830 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:17,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:17,831 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2022-11-18 19:51:17,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:17,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512196845] [2022-11-18 19:51:17,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:17,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:17,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:17,860 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:17,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:17,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2022-11-18 19:51:17,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:17,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444307488] [2022-11-18 19:51:17,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:17,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:17,894 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:17,917 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:18,315 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:51:18,315 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:51:18,315 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:51:18,315 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:51:18,315 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:51:18,316 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:18,316 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:51:18,316 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:51:18,316 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn-alloca-1.i_Iteration2_Lasso [2022-11-18 19:51:18,316 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:51:18,316 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:51:18,319 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 19:51:18,323 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 19:51:18,329 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 19:51:18,331 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 19:51:18,337 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 19:51:18,342 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 19:51:18,344 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 19:51:18,348 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 19:51:18,351 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 19:51:18,353 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 19:51:18,564 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 19:51:18,567 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:51:18,569 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 19:51:18,572 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 19:51:18,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:18,968 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:51:18,968 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:51:18,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:18,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:18,970 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:18,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:51:18,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:18,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:18,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:18,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:18,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:18,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:18,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:18,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 19:51:19,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:19,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:19,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:19,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:19,019 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:19,030 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 19:51:19,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:19,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:19,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:19,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:19,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:19,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:19,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:19,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 19:51:19,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:19,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:19,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:19,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:19,071 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:19,082 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 19:51:19,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:19,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:19,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:19,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:19,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:19,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:19,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:19,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 19:51:19,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:19,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:19,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:19,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:19,119 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:19,127 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 19:51:19,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:19,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:19,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:19,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:19,143 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:19,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:19,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 19:51:19,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:19,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:19,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:19,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:19,171 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:19,185 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 19:51:19,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:19,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:19,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:19,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:19,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:19,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:19,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 19:51:19,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:19,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:19,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:19,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:19,228 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:19,237 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 19:51:19,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:19,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:19,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:19,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:19,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:19,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:19,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:19,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 19:51:19,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:19,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:19,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:19,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:19,271 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:19,275 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 19:51:19,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:19,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:19,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:19,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:19,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:19,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:19,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 19:51:19,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:19,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:19,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:19,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:19,310 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:19,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 19:51:19,314 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 19:51:19,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:19,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:19,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:19,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:19,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:19,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:19,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:19,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:19,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:19,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:19,354 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:19,362 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 19:51:19,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 19:51:19,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:19,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:19,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:19,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:19,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:19,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:19,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:19,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:19,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:19,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:19,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:19,393 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:19,402 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 19:51:19,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:19,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:19,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:19,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:19,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 19:51:19,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:19,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:19,444 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:51:19,470 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-18 19:51:19,470 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-18 19:51:19,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:19,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:19,473 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:19,497 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:51:19,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 19:51:19,519 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 19:51:19,519 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:51:19,519 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~length2~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~length2~0#1 Supporting invariants [] [2022-11-18 19:51:19,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:19,548 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-18 19:51:19,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:19,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:51:19,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:51:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:19,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:51:19,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:51:19,618 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 19:51:19,618 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 19:51:19,618 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 27 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:51:19,638 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 27 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 44 transitions. Complement of second has 6 states. [2022-11-18 19:51:19,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 19:51:19,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:51:19,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2022-11-18 19:51:19,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-18 19:51:19,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:51:19,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-18 19:51:19,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:51:19,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-18 19:51:19,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:51:19,640 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 44 transitions. [2022-11-18 19:51:19,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 19:51:19,642 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 21 states and 29 transitions. [2022-11-18 19:51:19,642 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-18 19:51:19,642 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-18 19:51:19,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 29 transitions. [2022-11-18 19:51:19,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:51:19,643 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 29 transitions. [2022-11-18 19:51:19,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 29 transitions. [2022-11-18 19:51:19,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-11-18 19:51:19,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 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 19:51:19,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 29 transitions. [2022-11-18 19:51:19,645 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 29 transitions. [2022-11-18 19:51:19,645 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2022-11-18 19:51:19,645 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 19:51:19,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 29 transitions. [2022-11-18 19:51:19,646 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 19:51:19,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:51:19,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:51:19,646 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:51:19,646 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:51:19,647 INFO L748 eck$LassoCheckResult]: Stem: 281#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 282#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#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~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 290#L532 assume !(main_~length1~0#1 < 1); 283#L532-2 assume !(main_~length2~0#1 < 1); 279#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 280#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 292#L541-4 main_~i~1#1 := 0; 286#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 287#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#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 cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 291#L519-4 [2022-11-18 19:51:19,647 INFO L750 eck$LassoCheckResult]: Loop: 291#L519-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 298#L519-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 294#L522-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 299#L522-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 293#L522-3 assume !cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1; 284#L522-6 call cstrspn_#t~mem9#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 285#L524 assume !(cstrspn_#t~mem9#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem9#1; 295#L519-3 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset; 291#L519-4 [2022-11-18 19:51:19,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:19,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2022-11-18 19:51:19,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:19,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391789389] [2022-11-18 19:51:19,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:19,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:19,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:19,696 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:19,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:19,701 INFO L85 PathProgramCache]: Analyzing trace with hash -904885455, now seen corresponding path program 1 times [2022-11-18 19:51:19,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:19,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009871176] [2022-11-18 19:51:19,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:19,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:19,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:19,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:19,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:19,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1903570310, now seen corresponding path program 1 times [2022-11-18 19:51:19,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:19,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625606483] [2022-11-18 19:51:19,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:19,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:20,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-11-18 19:51:20,189 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 19:51:20,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:51:20,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625606483] [2022-11-18 19:51:20,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625606483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:51:20,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:51:20,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 19:51:20,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106401893] [2022-11-18 19:51:20,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:51:20,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:51:20,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:51:20,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:51:20,437 INFO L87 Difference]: Start difference. First operand 21 states and 29 transitions. cyclomatic complexity: 11 Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 19:51:20,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:51:20,621 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2022-11-18 19:51:20,622 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2022-11-18 19:51:20,622 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2022-11-18 19:51:20,623 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 42 transitions. [2022-11-18 19:51:20,623 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2022-11-18 19:51:20,623 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2022-11-18 19:51:20,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 42 transitions. [2022-11-18 19:51:20,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:51:20,624 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-11-18 19:51:20,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 42 transitions. [2022-11-18 19:51:20,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2022-11-18 19:51:20,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 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 19:51:20,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2022-11-18 19:51:20,627 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 39 transitions. [2022-11-18 19:51:20,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 19:51:20,628 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 39 transitions. [2022-11-18 19:51:20,628 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 19:51:20,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 39 transitions. [2022-11-18 19:51:20,629 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2022-11-18 19:51:20,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:51:20,629 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:51:20,630 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:51:20,630 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:51:20,630 INFO L748 eck$LassoCheckResult]: Stem: 360#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 361#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#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~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 370#L532 assume !(main_~length1~0#1 < 1); 362#L532-2 assume !(main_~length2~0#1 < 1); 358#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 359#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 371#L541-4 main_~i~1#1 := 0; 365#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 366#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#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 cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 372#L519-4 [2022-11-18 19:51:20,630 INFO L750 eck$LassoCheckResult]: Loop: 372#L519-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 377#L519-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 379#L522-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 378#L522-1 assume !cstrspn_#t~short7#1; 373#L522-3 assume !cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1; 363#L522-6 call cstrspn_#t~mem9#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 364#L524 assume !(cstrspn_#t~mem9#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem9#1; 374#L519-3 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset; 372#L519-4 [2022-11-18 19:51:20,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:20,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 2 times [2022-11-18 19:51:20,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:20,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555044328] [2022-11-18 19:51:20,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:20,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:20,643 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:20,653 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:20,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:20,653 INFO L85 PathProgramCache]: Analyzing trace with hash -903038413, now seen corresponding path program 1 times [2022-11-18 19:51:20,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:20,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007595393] [2022-11-18 19:51:20,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:20,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:20,728 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 19:51:20,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:51:20,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007595393] [2022-11-18 19:51:20,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007595393] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:51:20,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:51:20,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:51:20,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682049911] [2022-11-18 19:51:20,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:51:20,742 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 19:51:20,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:51:20,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:51:20,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:51:20,743 INFO L87 Difference]: Start difference. First operand 31 states and 39 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 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 19:51:20,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:51:20,848 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2022-11-18 19:51:20,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 40 transitions. [2022-11-18 19:51:20,849 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 19:51:20,849 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 23 states and 29 transitions. [2022-11-18 19:51:20,849 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-11-18 19:51:20,850 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-11-18 19:51:20,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 29 transitions. [2022-11-18 19:51:20,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:51:20,850 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 29 transitions. [2022-11-18 19:51:20,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 29 transitions. [2022-11-18 19:51:20,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2022-11-18 19:51:20,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 20 states have internal predecessors, (27), 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 19:51:20,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2022-11-18 19:51:20,853 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-18 19:51:20,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:51:20,854 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-18 19:51:20,855 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-18 19:51:20,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 27 transitions. [2022-11-18 19:51:20,856 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 19:51:20,856 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:51:20,856 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:51:20,857 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:51:20,857 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:51:20,857 INFO L748 eck$LassoCheckResult]: Stem: 443#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 444#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#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~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 452#L532 assume !(main_~length1~0#1 < 1); 445#L532-2 assume !(main_~length2~0#1 < 1); 441#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 442#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 453#L541-4 main_~i~1#1 := 0; 448#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 449#L546-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 450#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 451#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#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 cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 454#L519-4 [2022-11-18 19:51:20,857 INFO L750 eck$LassoCheckResult]: Loop: 454#L519-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 460#L519-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 456#L522-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 461#L522-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 455#L522-3 assume !cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1; 446#L522-6 call cstrspn_#t~mem9#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 447#L524 assume !(cstrspn_#t~mem9#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem9#1; 457#L519-3 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset; 454#L519-4 [2022-11-18 19:51:20,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:20,858 INFO L85 PathProgramCache]: Analyzing trace with hash -2087704584, now seen corresponding path program 1 times [2022-11-18 19:51:20,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:20,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985454265] [2022-11-18 19:51:20,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:20,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:20,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:20,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:20,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:20,884 INFO L85 PathProgramCache]: Analyzing trace with hash -904885455, now seen corresponding path program 2 times [2022-11-18 19:51:20,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:20,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400913188] [2022-11-18 19:51:20,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:20,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:20,891 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:20,897 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:20,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:20,898 INFO L85 PathProgramCache]: Analyzing trace with hash 949013544, now seen corresponding path program 1 times [2022-11-18 19:51:20,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:20,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507122678] [2022-11-18 19:51:20,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:20,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:21,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 19:51:21,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:51:21,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507122678] [2022-11-18 19:51:21,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507122678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:51:21,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:51:21,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:51:21,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654951686] [2022-11-18 19:51:21,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:51:21,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:51:21,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:51:21,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:51:21,597 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:51:21,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:51:21,786 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2022-11-18 19:51:21,786 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 35 transitions. [2022-11-18 19:51:21,787 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 19:51:21,787 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 22 states and 27 transitions. [2022-11-18 19:51:21,788 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-18 19:51:21,788 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-18 19:51:21,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. [2022-11-18 19:51:21,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:51:21,788 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-18 19:51:21,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. [2022-11-18 19:51:21,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2022-11-18 19:51:21,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 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 19:51:21,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2022-11-18 19:51:21,790 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-11-18 19:51:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:51:21,791 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-11-18 19:51:21,791 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-18 19:51:21,792 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 26 transitions. [2022-11-18 19:51:21,792 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-18 19:51:21,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:51:21,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:51:21,793 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:51:21,793 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:51:21,793 INFO L748 eck$LassoCheckResult]: Stem: 511#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 512#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#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~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 520#L532 assume !(main_~length1~0#1 < 1); 513#L532-2 assume !(main_~length2~0#1 < 1); 509#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 510#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 526#L541-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 527#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 521#L541-4 main_~i~1#1 := 0; 516#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 517#L546-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 518#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 519#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#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 cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 522#L519-4 [2022-11-18 19:51:21,793 INFO L750 eck$LassoCheckResult]: Loop: 522#L519-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 528#L519-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 524#L522-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 529#L522-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 523#L522-3 assume !cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1; 514#L522-6 call cstrspn_#t~mem9#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 515#L524 assume !(cstrspn_#t~mem9#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem9#1; 525#L519-3 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset; 522#L519-4 [2022-11-18 19:51:21,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:21,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1066016806, now seen corresponding path program 1 times [2022-11-18 19:51:21,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:21,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897912045] [2022-11-18 19:51:21,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:21,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:21,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:21,833 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:21,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:21,835 INFO L85 PathProgramCache]: Analyzing trace with hash -904885455, now seen corresponding path program 3 times [2022-11-18 19:51:21,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:21,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842863570] [2022-11-18 19:51:21,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:21,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:21,846 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:21,863 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:21,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:21,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1875279350, now seen corresponding path program 1 times [2022-11-18 19:51:21,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:21,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350804824] [2022-11-18 19:51:21,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:21,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:21,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:21,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:23,742 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:51:23,742 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:51:23,742 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:51:23,742 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:51:23,742 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:51:23,742 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:23,742 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:51:23,742 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:51:23,742 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn-alloca-1.i_Iteration6_Lasso [2022-11-18 19:51:23,743 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:51:23,743 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:51:23,748 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 19:51:23,759 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 19:51:23,763 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 19:51:23,767 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 19:51:23,769 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 19:51:23,772 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 19:51:23,775 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 19:51:23,779 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 19:51:23,782 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 19:51:23,784 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 19:51:23,787 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 19:51:23,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:51:23,792 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 19:51:23,794 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 19:51:23,797 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:51:23,800 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 19:51:23,802 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 19:51:23,804 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 19:51:23,807 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 19:51:24,855 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 19:51:24,864 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:51:24,866 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 19:51:24,868 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 19:51:24,870 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 19:51:24,872 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:51:25,845 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:51:25,845 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:51:25,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:25,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:25,849 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:25,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 19:51:25,855 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 19:51:25,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:25,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:25,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:25,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:25,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:25,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:25,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:25,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:25,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:25,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:25,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:25,875 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:25,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 19:51:25,884 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 19:51:25,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:25,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:25,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:25,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:25,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:25,897 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:25,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:25,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:25,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:25,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:25,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:25,915 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:25,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 19:51:25,920 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 19:51:25,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:25,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:25,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:25,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:25,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:25,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:25,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:25,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-11-18 19:51:25,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:25,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:25,940 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:25,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 19:51:25,943 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 19:51:25,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:25,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:25,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:25,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:25,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:25,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:25,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:25,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:25,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:25,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:25,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:25,973 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:25,976 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 19:51:25,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 19:51:25,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:25,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:25,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:25,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:25,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:25,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:25,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:25,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:25,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-11-18 19:51:25,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:25,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:25,997 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:26,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-18 19:51:26,000 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 19:51:26,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:26,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:26,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:26,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:26,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:26,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:26,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:26,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:26,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-11-18 19:51:26,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:26,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:26,016 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:26,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 19:51:26,018 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 19:51:26,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:26,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:26,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:26,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:26,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:26,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:26,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:26,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:26,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:26,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:26,052 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:26,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 19:51:26,054 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 19:51:26,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:26,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:26,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:26,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:26,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:26,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:26,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:26,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-18 19:51:26,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:26,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:26,076 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:26,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-18 19:51:26,078 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 19:51:26,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:26,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:26,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:26,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:26,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:26,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:26,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:26,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:26,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:26,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:26,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:26,094 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:26,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-18 19:51:26,107 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 19:51:26,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:26,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:26,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:26,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:26,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:26,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:26,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:26,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:26,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:26,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:26,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:26,146 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:26,158 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 19:51:26,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:26,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:26,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:26,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:26,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:26,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:26,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:26,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-18 19:51:26,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:26,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:26,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:26,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:26,202 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:26,210 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 19:51:26,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:26,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:26,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:26,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:26,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:26,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:26,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:26,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-18 19:51:26,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:26,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-18 19:51:26,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:26,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:26,229 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:26,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-18 19:51:26,233 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 19:51:26,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:26,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:26,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:26,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:26,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:26,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:26,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:26,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:26,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:26,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:26,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:26,249 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:26,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-18 19:51:26,251 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 19:51:26,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:26,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:26,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:26,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:26,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:26,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:26,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:26,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:26,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:26,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:26,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:26,267 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:26,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-18 19:51:26,270 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 19:51:26,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:26,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:26,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:26,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:26,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:26,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:26,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:26,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:26,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-18 19:51:26,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:26,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:26,290 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:26,295 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 19:51:26,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-18 19:51:26,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:26,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:26,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:26,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:26,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:26,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:26,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:26,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:26,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-18 19:51:26,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:26,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:26,312 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:26,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-18 19:51:26,314 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 19:51:26,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:26,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:26,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:26,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:26,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:26,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:26,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:26,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:26,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:26,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:26,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:26,330 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:26,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-18 19:51:26,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:51:26,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:26,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:26,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:26,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:26,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:26,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:26,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:26,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-11-18 19:51:26,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:26,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:26,353 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:26,356 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 19:51:26,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-18 19:51:26,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:26,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:26,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:26,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:26,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:26,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:26,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:26,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:26,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-18 19:51:26,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:26,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:26,372 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:26,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-18 19:51:26,375 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 19:51:26,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:26,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:26,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:26,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:26,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:26,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:26,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:26,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-11-18 19:51:26,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:26,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:26,393 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:26,396 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 19:51:26,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-18 19:51:26,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:26,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:26,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:26,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:26,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:26,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:26,457 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:51:26,502 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-18 19:51:26,502 INFO L444 ModelExtractionUtils]: 30 out of 58 variables were initially zero. Simplification set additionally 25 variables to zero. [2022-11-18 19:51:26,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:26,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:26,504 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:26,507 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:51:26,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-18 19:51:26,542 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 19:51:26,542 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:51:26,542 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrspn_~sc1~0#1.base)_1, ULTIMATE.start_cstrspn_~sc1~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrspn_~sc1~0#1.base)_1 - 1*ULTIMATE.start_cstrspn_~sc1~0#1.offset Supporting invariants [] [2022-11-18 19:51:26,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:26,639 INFO L156 tatePredicateManager]: 17 out of 17 supporting invariants were superfluous and have been removed [2022-11-18 19:51:26,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:26,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:51:26,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:51:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:26,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 19:51:26,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:51:26,768 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 19:51:26,770 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 19:51:26,770 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:51:26,800 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 36 transitions. Complement of second has 4 states. [2022-11-18 19:51:26,801 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 19:51:26,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:51:26,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2022-11-18 19:51:26,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 13 letters. Loop has 8 letters. [2022-11-18 19:51:26,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:51:26,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 21 letters. Loop has 8 letters. [2022-11-18 19:51:26,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:51:26,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 13 letters. Loop has 16 letters. [2022-11-18 19:51:26,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:51:26,808 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2022-11-18 19:51:26,809 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 19:51:26,810 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 26 states and 33 transitions. [2022-11-18 19:51:26,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-18 19:51:26,810 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-18 19:51:26,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 33 transitions. [2022-11-18 19:51:26,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 19:51:26,811 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-11-18 19:51:26,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 33 transitions. [2022-11-18 19:51:26,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-18 19:51:26,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 25 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 19:51:26,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2022-11-18 19:51:26,820 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-11-18 19:51:26,820 INFO L428 stractBuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-11-18 19:51:26,820 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-18 19:51:26,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 33 transitions. [2022-11-18 19:51:26,824 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 19:51:26,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:51:26,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:51:26,826 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:51:26,826 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 19:51:26,826 INFO L748 eck$LassoCheckResult]: Stem: 711#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 712#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#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~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 720#L532 assume !(main_~length1~0#1 < 1); 713#L532-2 assume !(main_~length2~0#1 < 1); 709#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 710#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 729#L541-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 730#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 721#L541-4 main_~i~1#1 := 0; 716#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 717#L546-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 718#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 719#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#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 cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 722#L519-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 732#L519-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 726#L522-5 [2022-11-18 19:51:26,826 INFO L750 eck$LassoCheckResult]: Loop: 726#L522-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 733#L522-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 725#L522-3 assume !!cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1;cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post8#1.base, 1 + cstrspn_#t~post8#1.offset;havoc cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset; 726#L522-5 [2022-11-18 19:51:26,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:26,827 INFO L85 PathProgramCache]: Analyzing trace with hash 2055034687, now seen corresponding path program 1 times [2022-11-18 19:51:26,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:26,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316303829] [2022-11-18 19:51:26,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:26,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:26,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:26,871 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:26,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:26,872 INFO L85 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 1 times [2022-11-18 19:51:26,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:26,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626284405] [2022-11-18 19:51:26,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:26,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:26,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:26,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:26,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:26,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1074579938, now seen corresponding path program 1 times [2022-11-18 19:51:26,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:26,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031655137] [2022-11-18 19:51:26,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:26,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:26,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:26,942 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:28,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:29,317 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:51:29,317 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:51:29,317 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:51:29,317 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:51:29,317 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:51:29,317 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:29,318 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:51:29,318 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:51:29,318 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn-alloca-1.i_Iteration7_Lasso [2022-11-18 19:51:29,318 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:51:29,318 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:51:29,322 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 19:51:29,325 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 19:51:29,330 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 19:51:29,332 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 19:51:29,335 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 19:51:30,420 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 19:51:30,425 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:51:30,426 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 19:51:30,429 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 19:51:30,431 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 19:51:30,438 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 19:51:30,440 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 19:51:30,442 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:51:30,443 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:51:30,445 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:51:30,447 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 19:51:30,449 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 19:51:30,451 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:51:30,453 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 19:51:30,455 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 19:51:30,457 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 19:51:30,459 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 19:51:30,461 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 19:51:30,463 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 19:51:30,464 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 19:51:30,467 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 19:51:31,625 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:51:31,625 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:51:31,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:31,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:31,633 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:31,653 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 19:51:31,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:31,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:31,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:31,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:31,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:31,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:31,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:31,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-18 19:51:31,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:31,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:31,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:31,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:31,686 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:31,694 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 19:51:31,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:31,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:31,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:31,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:31,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:31,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:31,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-18 19:51:31,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:31,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-11-18 19:51:31,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:31,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:31,717 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:31,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-18 19:51:31,719 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 19:51:31,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:31,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:31,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:31,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:31,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:31,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:31,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:31,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:31,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-18 19:51:31,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:31,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:31,748 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:31,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-18 19:51:31,750 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 19:51:31,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:31,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:31,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:31,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:31,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:31,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:31,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:31,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:31,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:31,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:31,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:31,766 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:31,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-18 19:51:31,768 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 19:51:31,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:31,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:31,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:31,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:31,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:31,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:31,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:31,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-18 19:51:31,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:31,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:31,788 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:31,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-18 19:51:31,790 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 19:51:31,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:31,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:31,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:31,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:31,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:31,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:31,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:31,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:31,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:31,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:31,840 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:31,842 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 19:51:31,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-18 19:51:31,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:31,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:31,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:31,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:31,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:31,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:31,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:31,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:31,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:31,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:31,862 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:31,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-18 19:51:31,865 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 19:51:31,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:31,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:31,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:31,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:31,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:31,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:31,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:31,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:31,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:31,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:31,917 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:31,925 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 19:51:31,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:31,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:31,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:31,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:31,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-18 19:51:31,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:31,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:31,980 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:51:32,051 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2022-11-18 19:51:32,051 INFO L444 ModelExtractionUtils]: 17 out of 55 variables were initially zero. Simplification set additionally 35 variables to zero. [2022-11-18 19:51:32,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:32,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:32,053 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:32,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-18 19:51:32,055 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:51:32,066 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 19:51:32,066 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:51:32,066 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_4) = -1*ULTIMATE.start_cstrspn_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_4 Supporting invariants [] [2022-11-18 19:51:32,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:32,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:32,226 INFO L156 tatePredicateManager]: 25 out of 26 supporting invariants were superfluous and have been removed [2022-11-18 19:51:32,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:32,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 19:51:32,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:51:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:32,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 19:51:32,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:51:32,396 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 19:51:32,397 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-18 19:51:32,398 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 33 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:51:32,481 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 33 transitions. cyclomatic complexity: 11. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 51 states and 61 transitions. Complement of second has 7 states. [2022-11-18 19:51:32,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 19:51:32,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:51:32,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2022-11-18 19:51:32,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-18 19:51:32,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:51:32,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 18 letters. Loop has 3 letters. [2022-11-18 19:51:32,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:51:32,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 15 letters. Loop has 6 letters. [2022-11-18 19:51:32,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:51:32,487 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 61 transitions. [2022-11-18 19:51:32,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 19:51:32,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 38 states and 46 transitions. [2022-11-18 19:51:32,492 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-18 19:51:32,492 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-18 19:51:32,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 46 transitions. [2022-11-18 19:51:32,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 19:51:32,492 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 46 transitions. [2022-11-18 19:51:32,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 46 transitions. [2022-11-18 19:51:32,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 32. [2022-11-18 19:51:32,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.21875) internal successors, (39), 31 states have internal predecessors, (39), 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 19:51:32,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2022-11-18 19:51:32,499 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 39 transitions. [2022-11-18 19:51:32,499 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2022-11-18 19:51:32,499 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-18 19:51:32,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 39 transitions. [2022-11-18 19:51:32,499 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 19:51:32,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:51:32,500 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:51:32,501 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:51:32,502 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 19:51:32,502 INFO L748 eck$LassoCheckResult]: Stem: 978#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 979#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#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~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 987#L532 assume !(main_~length1~0#1 < 1); 980#L532-2 assume !(main_~length2~0#1 < 1); 976#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 977#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 996#L541-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 997#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 988#L541-4 main_~i~1#1 := 0; 983#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 984#L546-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 985#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 986#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#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 cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 989#L519-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 998#L519-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 993#L522-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 1007#L522-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 1005#L522-3 assume !cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1; 981#L522-6 call cstrspn_#t~mem9#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 982#L524 assume !(cstrspn_#t~mem9#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem9#1; 994#L519-3 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset; 995#L519-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 1000#L519-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 991#L522-5 [2022-11-18 19:51:32,502 INFO L750 eck$LassoCheckResult]: Loop: 991#L522-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 1001#L522-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 990#L522-3 assume !!cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1;cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post8#1.base, 1 + cstrspn_#t~post8#1.offset;havoc cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset; 991#L522-5 [2022-11-18 19:51:32,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:32,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1742810479, now seen corresponding path program 2 times [2022-11-18 19:51:32,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:32,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063438627] [2022-11-18 19:51:32,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:32,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:33,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 19:51:33,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:51:33,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063438627] [2022-11-18 19:51:33,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063438627] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:51:33,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271860961] [2022-11-18 19:51:33,138 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:51:33,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:51:33,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:33,140 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:51:33,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2022-11-18 19:51:33,240 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 19:51:33,240 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:51:33,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 46 conjunts are in the unsatisfiable core [2022-11-18 19:51:33,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:51:33,579 INFO L321 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2022-11-18 19:51:33,582 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 35 treesize of output 20 [2022-11-18 19:51:33,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-18 19:51:33,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:51:33,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:51:33,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2022-11-18 19:51:34,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:51:34,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271860961] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:51:34,099 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:51:34,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13, 11] total 27 [2022-11-18 19:51:34,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965135620] [2022-11-18 19:51:34,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:51:34,100 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 19:51:34,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:34,100 INFO L85 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 2 times [2022-11-18 19:51:34,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:34,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483465135] [2022-11-18 19:51:34,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:34,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:34,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:34,109 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:34,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:51:34,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-18 19:51:34,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=638, Unknown=0, NotChecked=0, Total=756 [2022-11-18 19:51:34,233 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. cyclomatic complexity: 12 Second operand has 28 states, 27 states have (on average 1.962962962962963) internal successors, (53), 28 states have internal predecessors, (53), 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 19:51:35,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:51:35,092 INFO L93 Difference]: Finished difference Result 70 states and 80 transitions. [2022-11-18 19:51:35,092 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 80 transitions. [2022-11-18 19:51:35,093 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 19:51:35,093 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 35 states and 42 transitions. [2022-11-18 19:51:35,094 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-18 19:51:35,094 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-18 19:51:35,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 42 transitions. [2022-11-18 19:51:35,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 19:51:35,094 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 42 transitions. [2022-11-18 19:51:35,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 42 transitions. [2022-11-18 19:51:35,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2022-11-18 19:51:35,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 33 states have internal predecessors, (41), 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 19:51:35,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2022-11-18 19:51:35,096 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 41 transitions. [2022-11-18 19:51:35,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 19:51:35,096 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 41 transitions. [2022-11-18 19:51:35,096 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-18 19:51:35,096 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 41 transitions. [2022-11-18 19:51:35,097 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 19:51:35,097 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:51:35,097 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:51:35,097 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:51:35,098 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 19:51:35,098 INFO L748 eck$LassoCheckResult]: Stem: 1272#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1273#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#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~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 1281#L532 assume !(main_~length1~0#1 < 1); 1274#L532-2 assume !(main_~length2~0#1 < 1); 1270#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 1271#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 1290#L541-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 1291#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 1292#L541-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 1301#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 1282#L541-4 main_~i~1#1 := 0; 1277#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 1278#L546-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 1279#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 1280#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#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 cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 1283#L519-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 1293#L519-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 1287#L522-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 1297#L522-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 1298#L522-3 assume !cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1; 1275#L522-6 call cstrspn_#t~mem9#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 1276#L524 assume !(cstrspn_#t~mem9#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem9#1; 1288#L519-3 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset; 1289#L519-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 1295#L519-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 1285#L522-5 [2022-11-18 19:51:35,098 INFO L750 eck$LassoCheckResult]: Loop: 1285#L522-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 1296#L522-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 1284#L522-3 assume !!cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1;cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post8#1.base, 1 + cstrspn_#t~post8#1.offset;havoc cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset; 1285#L522-5 [2022-11-18 19:51:35,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:35,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1365761455, now seen corresponding path program 3 times [2022-11-18 19:51:35,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:35,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130617159] [2022-11-18 19:51:35,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:35,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:35,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:35,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:35,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:35,134 INFO L85 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 3 times [2022-11-18 19:51:35,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:35,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046891408] [2022-11-18 19:51:35,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:35,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:35,138 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:35,141 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:35,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:35,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1174254192, now seen corresponding path program 1 times [2022-11-18 19:51:35,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:35,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021443795] [2022-11-18 19:51:35,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:35,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:35,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:35,182 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:39,556 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:51:39,556 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:51:39,556 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:51:39,556 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:51:39,556 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:51:39,557 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:39,557 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:51:39,557 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:51:39,557 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn-alloca-1.i_Iteration9_Lasso [2022-11-18 19:51:39,557 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:51:39,557 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:51:39,563 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 19:51:39,566 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 19:51:39,568 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 19:51:39,570 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 19:51:39,572 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 19:51:39,575 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:51:39,577 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 19:51:39,578 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:51:42,638 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 19:51:42,640 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 19:51:42,642 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 19:51:42,644 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 19:51:42,646 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 19:51:42,648 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 19:51:42,654 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 19:51:42,657 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 19:51:42,661 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 19:51:42,663 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 19:51:42,666 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 19:51:42,668 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 19:51:42,670 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 19:51:42,672 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 19:51:42,675 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 19:51:42,677 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 19:51:42,679 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 19:51:42,684 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 19:51:43,673 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-18 19:51:45,555 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:51:45,557 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:51:45,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:45,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:45,563 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:45,570 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 19:51:45,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-18 19:51:45,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:45,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:45,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:45,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:45,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:45,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:45,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:45,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:45,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:45,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:45,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:45,600 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:45,609 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 19:51:45,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-18 19:51:45,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:45,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:45,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:45,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:45,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:45,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:45,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:45,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:45,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:45,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:45,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:45,643 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:45,646 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 19:51:45,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:45,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:45,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:45,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:45,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:45,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:45,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:45,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-18 19:51:45,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:45,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:45,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:45,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:45,674 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:45,678 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 19:51:45,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:45,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:45,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:45,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:45,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:45,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:45,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-18 19:51:45,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:45,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:45,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:45,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:45,710 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:45,713 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 19:51:45,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-18 19:51:45,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:45,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:45,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:45,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:45,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:45,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:45,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:45,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:45,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:45,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:45,750 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:45,753 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 19:51:45,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-18 19:51:45,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:45,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:45,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:45,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:45,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:45,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:45,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:45,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:45,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:45,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:45,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:45,786 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:45,789 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 19:51:45,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-18 19:51:45,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:45,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:45,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:45,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:45,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:45,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:45,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:45,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:45,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:45,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:45,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:45,822 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:45,827 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 19:51:45,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-18 19:51:45,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:45,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:45,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:45,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:45,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:45,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:45,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:45,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:45,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:45,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:45,870 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:45,874 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 19:51:45,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-18 19:51:45,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:45,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:45,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:45,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:45,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:45,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:45,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:45,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:45,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:45,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:45,899 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:45,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-18 19:51:45,901 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 19:51:45,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:45,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:45,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:45,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:45,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:51:45,913 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:45,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:45,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-18 19:51:45,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:45,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:45,920 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:45,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-18 19:51:45,923 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 19:51:45,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:45,933 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-18 19:51:45,933 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2022-11-18 19:51:45,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:46,011 INFO L401 nArgumentSynthesizer]: We have 108 Motzkin's Theorem applications. [2022-11-18 19:51:46,011 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-11-18 19:51:46,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:51:46,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-11-18 19:51:46,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:46,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:46,215 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:46,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-18 19:51:46,216 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 19:51:46,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:46,228 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-18 19:51:46,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:46,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:46,250 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-18 19:51:46,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:51:46,290 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:51:46,591 INFO L443 ModelExtractionUtils]: Simplification made 47 calls to the SMT solver. [2022-11-18 19:51:46,591 INFO L444 ModelExtractionUtils]: 21 out of 64 variables were initially zero. Simplification set additionally 40 variables to zero. [2022-11-18 19:51:46,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:46,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:46,593 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:46,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-18 19:51:46,595 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:51:46,613 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 19:51:46,613 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:51:46,613 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_5) = -1*ULTIMATE.start_cstrspn_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_5 Supporting invariants [] [2022-11-18 19:51:46,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-11-18 19:51:46,915 INFO L156 tatePredicateManager]: 45 out of 46 supporting invariants were superfluous and have been removed [2022-11-18 19:51:46,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:46,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 19:51:46,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:51:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:47,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 19:51:47,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:51:47,124 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 19:51:47,125 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-18 19:51:47,125 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 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 19:51:47,203 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 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) Result 50 states and 58 transitions. Complement of second has 7 states. [2022-11-18 19:51:47,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 19:51:47,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 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 19:51:47,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2022-11-18 19:51:47,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 25 letters. Loop has 3 letters. [2022-11-18 19:51:47,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:51:47,205 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 19:51:47,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:47,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 19:51:47,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:51:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:47,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 19:51:47,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:51:47,396 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 19:51:47,396 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-18 19:51:47,396 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 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 19:51:47,461 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 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) Result 50 states and 58 transitions. Complement of second has 7 states. [2022-11-18 19:51:47,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 19:51:47,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 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 19:51:47,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2022-11-18 19:51:47,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 25 letters. Loop has 3 letters. [2022-11-18 19:51:47,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:51:47,465 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 19:51:47,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:47,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 19:51:47,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:51:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:47,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 19:51:47,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:51:47,666 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 19:51:47,666 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-18 19:51:47,667 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 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 19:51:47,731 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 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) Result 49 states and 58 transitions. Complement of second has 6 states. [2022-11-18 19:51:47,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 19:51:47,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 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 19:51:47,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2022-11-18 19:51:47,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 25 letters. Loop has 3 letters. [2022-11-18 19:51:47,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:51:47,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 28 letters. Loop has 3 letters. [2022-11-18 19:51:47,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:51:47,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 25 letters. Loop has 6 letters. [2022-11-18 19:51:47,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:51:47,734 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 58 transitions. [2022-11-18 19:51:47,734 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 19:51:47,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 0 states and 0 transitions. [2022-11-18 19:51:47,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 19:51:47,735 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 19:51:47,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 19:51:47,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:51:47,735 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:51:47,735 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:51:47,735 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:51:47,736 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-18 19:51:47,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 19:51:47,736 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 19:51:47,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 19:51:47,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 07:51:47 BoogieIcfgContainer [2022-11-18 19:51:47,742 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 19:51:47,742 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:51:47,742 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:51:47,743 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:51:47,743 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:51:14" (3/4) ... [2022-11-18 19:51:47,745 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 19:51:47,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:51:47,746 INFO L158 Benchmark]: Toolchain (without parser) took 33824.85ms. Allocated memory was 119.5MB in the beginning and 249.6MB in the end (delta: 130.0MB). Free memory was 86.4MB in the beginning and 101.7MB in the end (delta: -15.3MB). Peak memory consumption was 113.0MB. Max. memory is 16.1GB. [2022-11-18 19:51:47,746 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 39.3MB in the beginning and 39.3MB in the end (delta: 78.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:51:47,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.21ms. Allocated memory is still 119.5MB. Free memory was 86.4MB in the beginning and 88.6MB in the end (delta: -2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:51:47,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.33ms. Allocated memory is still 119.5MB. Free memory was 88.6MB in the beginning and 86.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:51:47,747 INFO L158 Benchmark]: Boogie Preprocessor took 26.81ms. Allocated memory is still 119.5MB. Free memory was 86.5MB in the beginning and 85.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:51:47,747 INFO L158 Benchmark]: RCFGBuilder took 572.70ms. Allocated memory is still 119.5MB. Free memory was 85.3MB in the beginning and 71.8MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 19:51:47,747 INFO L158 Benchmark]: BuchiAutomizer took 32746.18ms. Allocated memory was 119.5MB in the beginning and 249.6MB in the end (delta: 130.0MB). Free memory was 71.8MB in the beginning and 101.7MB in the end (delta: -29.9MB). Peak memory consumption was 101.0MB. Max. memory is 16.1GB. [2022-11-18 19:51:47,747 INFO L158 Benchmark]: Witness Printer took 2.84ms. Allocated memory is still 249.6MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:51:47,749 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 39.3MB in the beginning and 39.3MB in the end (delta: 78.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.21ms. Allocated memory is still 119.5MB. Free memory was 86.4MB in the beginning and 88.6MB in the end (delta: -2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.33ms. Allocated memory is still 119.5MB. Free memory was 88.6MB in the beginning and 86.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.81ms. Allocated memory is still 119.5MB. Free memory was 86.5MB in the beginning and 85.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 572.70ms. Allocated memory is still 119.5MB. Free memory was 85.3MB in the beginning and 71.8MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 32746.18ms. Allocated memory was 119.5MB in the beginning and 249.6MB in the end (delta: 130.0MB). Free memory was 71.8MB in the beginning and 101.7MB in the end (delta: -29.9MB). Peak memory consumption was 101.0MB. Max. memory is 16.1GB. * Witness Printer took 2.84ms. Allocated memory is still 249.6MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (4 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function length2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[sc1] + -1 * sc1 and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s and consists of 5 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 28 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 32.6s and 10 iterations. TraceHistogramMax:2. Analysis of lassos took 29.4s. Construction of modules took 0.4s. Büchi inclusion checks took 2.4s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 13 StatesRemovedByMinimization, 5 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 [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 583 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 580 mSDsluCounter, 705 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 19 IncrementalHoareTripleChecker+Unchecked, 501 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 467 IncrementalHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 204 mSDtfsCounter, 467 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital314 mio100 ax108 hnf100 lsp104 ukn66 mio100 lsp52 div161 bol100 ite100 ukn100 eq163 hnf92 smp72 dnf237 smp66 tf100 neg98 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 288ms VariablesStem: 7 VariablesLoop: 6 DisjunctsStem: 2 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 108 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 19:51:47,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:47,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2022-11-18 19:51:48,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c9e051-3876-4a0c-9e93-9d51da98c2bc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE