./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/string-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/string-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --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 7c71ebd98a3b6e7de0397eeeb86fda8d96b2d4c8ea0b8e1766ce392ff80613de --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:45:51,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:45:51,599 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 10:45:51,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:45:51,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:45:51,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:45:51,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:45:51,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:45:51,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:45:51,642 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:45:51,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:45:51,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:45:51,644 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:45:51,644 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 10:45:51,645 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 10:45:51,646 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 10:45:51,646 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 10:45:51,647 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 10:45:51,647 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 10:45:51,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:45:51,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 10:45:51,649 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:45:51,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:45:51,650 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:45:51,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:45:51,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 10:45:51,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 10:45:51,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 10:45:51,653 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:45:51,653 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:45:51,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:45:51,654 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 10:45:51,654 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:45:51,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:45:51,655 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:45:51,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:45:51,656 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:45:51,657 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 10:45:51,657 INFO L153 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_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c71ebd98a3b6e7de0397eeeb86fda8d96b2d4c8ea0b8e1766ce392ff80613de [2023-11-26 10:45:51,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:45:51,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:45:51,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:45:51,933 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:45:51,933 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:45:51,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/loops/string-1.i [2023-11-26 10:45:55,160 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:45:55,389 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:45:55,390 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/sv-benchmarks/c/loops/string-1.i [2023-11-26 10:45:55,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/data/e57e99300/3b3df216e3754344a87ef124abb1a872/FLAG746dff27a [2023-11-26 10:45:55,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/data/e57e99300/3b3df216e3754344a87ef124abb1a872 [2023-11-26 10:45:55,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:45:55,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:45:55,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:45:55,421 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:45:55,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:45:55,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:45:55" (1/1) ... [2023-11-26 10:45:55,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa4f830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:55, skipping insertion in model container [2023-11-26 10:45:55,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:45:55" (1/1) ... [2023-11-26 10:45:55,453 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:45:55,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:45:55,642 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:45:55,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:45:55,680 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:45:55,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:55 WrapperNode [2023-11-26 10:45:55,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:45:55,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:45:55,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:45:55,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:45:55,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:55" (1/1) ... [2023-11-26 10:45:55,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:55" (1/1) ... [2023-11-26 10:45:55,723 INFO L138 Inliner]: procedures = 17, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 128 [2023-11-26 10:45:55,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:45:55,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:45:55,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:45:55,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:45:55,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:55" (1/1) ... [2023-11-26 10:45:55,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:55" (1/1) ... [2023-11-26 10:45:55,740 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:55" (1/1) ... [2023-11-26 10:45:55,757 INFO L175 MemorySlicer]: Split 10 memory accesses to 3 slices as follows [2, 4, 4]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2023-11-26 10:45:55,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:55" (1/1) ... [2023-11-26 10:45:55,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:55" (1/1) ... [2023-11-26 10:45:55,767 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:55" (1/1) ... [2023-11-26 10:45:55,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:55" (1/1) ... [2023-11-26 10:45:55,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:55" (1/1) ... [2023-11-26 10:45:55,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:55" (1/1) ... [2023-11-26 10:45:55,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:45:55,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:45:55,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:45:55,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:45:55,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:55" (1/1) ... [2023-11-26 10:45:55,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:55,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:55,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:55,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 10:45:55,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:45:55,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:45:55,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:45:55,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:45:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:45:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:45:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:45:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:45:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:45:55,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:45:55,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:45:55,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:45:55,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:45:55,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:45:56,040 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:45:56,045 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:45:56,393 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:45:56,403 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:45:56,403 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-26 10:45:56,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:45:56 BoogieIcfgContainer [2023-11-26 10:45:56,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:45:56,406 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 10:45:56,406 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 10:45:56,411 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 10:45:56,412 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:45:56,412 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 10:45:55" (1/3) ... [2023-11-26 10:45:56,413 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cae3d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:45:56, skipping insertion in model container [2023-11-26 10:45:56,413 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:45:56,414 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:55" (2/3) ... [2023-11-26 10:45:56,414 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cae3d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:45:56, skipping insertion in model container [2023-11-26 10:45:56,414 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:45:56,415 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:45:56" (3/3) ... [2023-11-26 10:45:56,416 INFO L332 chiAutomizerObserver]: Analyzing ICFG string-1.i [2023-11-26 10:45:56,493 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 10:45:56,494 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 10:45:56,495 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 10:45:56,495 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 10:45:56,495 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 10:45:56,495 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 10:45:56,496 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 10:45:56,496 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 10:45:56,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 26 states have internal predecessors, (42), 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) [2023-11-26 10:45:56,527 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2023-11-26 10:45:56,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:45:56,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:45:56,533 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 10:45:56,533 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:45:56,533 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 10:45:56,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 26 states have internal predecessors, (42), 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) [2023-11-26 10:45:56,537 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2023-11-26 10:45:56,537 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:45:56,537 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:45:56,537 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 10:45:56,538 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:45:56,546 INFO L748 eck$LassoCheckResult]: Stem: 23#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 25#L33-3true [2023-11-26 10:45:56,547 INFO L750 eck$LassoCheckResult]: Loop: 25#L33-3true assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 17#L33-2true main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 25#L33-3true [2023-11-26 10:45:56,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:56,553 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-26 10:45:56,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:56,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018063366] [2023-11-26 10:45:56,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:56,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:56,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:56,744 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:56,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:56,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2023-11-26 10:45:56,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:56,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858774676] [2023-11-26 10:45:56,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:56,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:56,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:56,770 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:56,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:56,772 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2023-11-26 10:45:56,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:56,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309755808] [2023-11-26 10:45:56,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:56,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:56,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:56,827 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:57,371 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:45:57,372 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:45:57,372 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:45:57,372 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:45:57,373 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:45:57,373 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:57,373 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:45:57,373 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:45:57,373 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration1_Lasso [2023-11-26 10:45:57,374 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:45:57,374 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:45:57,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,420 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,424 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,429 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,438 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,450 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:57,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:45:58,095 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:45:58,100 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:45:58,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:58,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:58,105 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:58,117 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 [2023-11-26 10:45:58,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 10:45:58,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:58,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:58,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:58,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:58,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:58,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:58,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:58,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-26 10:45:58,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:58,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:58,169 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:58,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 10:45:58,177 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 [2023-11-26 10:45:58,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:58,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:58,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:58,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:58,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:58,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:58,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:58,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:58,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:58,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:58,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:58,213 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:58,221 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 [2023-11-26 10:45:58,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:58,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:58,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:58,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:58,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:58,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:58,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:58,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 10:45:58,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:58,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:58,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:58,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:58,255 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:58,259 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 [2023-11-26 10:45:58,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 10:45:58,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:58,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:58,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:58,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:58,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:58,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:58,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:58,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:58,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:58,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:58,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:58,287 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:58,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 10:45:58,289 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 [2023-11-26 10:45:58,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:58,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:58,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:58,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:58,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:58,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:58,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:58,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:58,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:58,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:58,327 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:58,337 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 [2023-11-26 10:45:58,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 10:45:58,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:58,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:58,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:58,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:58,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:58,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:58,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:58,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:58,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:58,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:58,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:58,376 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:58,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 10:45:58,396 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 [2023-11-26 10:45:58,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:58,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:58,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:58,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:58,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:58,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:58,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:58,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:58,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:58,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:58,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:58,432 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:58,440 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 [2023-11-26 10:45:58,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 10:45:58,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:58,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:58,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:58,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:58,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:58,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:58,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:58,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:58,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:58,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:58,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:58,480 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:58,490 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 [2023-11-26 10:45:58,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:58,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:58,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:58,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:58,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 10:45:58,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:58,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:58,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:58,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:58,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:58,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:58,539 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:58,544 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 [2023-11-26 10:45:58,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:58,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:58,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:58,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:58,559 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:58,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:58,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 10:45:58,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:58,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:58,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:58,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:58,581 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:58,584 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 [2023-11-26 10:45:58,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:58,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:58,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:58,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:58,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:58,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:58,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:58,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 10:45:58,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:58,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:58,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:58,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:58,622 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:58,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 10:45:58,633 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 [2023-11-26 10:45:58,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:58,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:58,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:58,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:58,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:58,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:58,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:58,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:58,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:58,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:58,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:58,666 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:58,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 10:45:58,671 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 [2023-11-26 10:45:58,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:58,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:58,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:58,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:58,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:58,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:58,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:58,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:58,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:58,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:58,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:58,708 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:58,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 10:45:58,713 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 [2023-11-26 10:45:58,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:58,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:58,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:58,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:58,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:58,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:58,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:58,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:58,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:58,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:58,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:58,746 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:58,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 10:45:58,754 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 [2023-11-26 10:45:58,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:58,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:58,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:58,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:58,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:58,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:58,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:58,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:58,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:58,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:58,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:58,788 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:58,796 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 [2023-11-26 10:45:58,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:58,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:58,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:58,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:58,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:58,810 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:58,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:58,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 10:45:58,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:58,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:58,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:58,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:58,834 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:58,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 10:45:58,844 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 [2023-11-26 10:45:58,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:58,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:45:58,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:58,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:58,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:58,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:45:58,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:45:58,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:58,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:58,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:58,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:58,875 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:58,889 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 [2023-11-26 10:45:58,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 10:45:58,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:58,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:58,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:58,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:58,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:58,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:58,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:45:58,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:58,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:58,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:58,934 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:58,946 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 [2023-11-26 10:45:58,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 10:45:58,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:45:58,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:45:58,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:45:58,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:45:58,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:45:58,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:45:58,992 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:45:59,019 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-26 10:45:59,019 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-26 10:45:59,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:59,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:59,059 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:59,062 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:45:59,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 10:45:59,093 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:45:59,093 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:45:59,094 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 9*v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_1 - 2*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-11-26 10:45:59,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:59,137 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2023-11-26 10:45:59,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#string_A~0!base] could not be translated [2023-11-26 10:45:59,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:59,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:45:59,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:59,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:45:59,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:59,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:59,302 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 [2023-11-26 10:45:59,304 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 26 states have internal predecessors, (42), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-26 10:45:59,363 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 26 states have internal predecessors, (42), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 54 states and 86 transitions. Complement of second has 8 states. [2023-11-26 10:45:59,365 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 [2023-11-26 10:45:59,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-26 10:45:59,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2023-11-26 10:45:59,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-26 10:45:59,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:45:59,373 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-26 10:45:59,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:45:59,373 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-26 10:45:59,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:45:59,374 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 86 transitions. [2023-11-26 10:45:59,379 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-26 10:45:59,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 19 states and 28 transitions. [2023-11-26 10:45:59,383 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-26 10:45:59,384 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-26 10:45:59,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 28 transitions. [2023-11-26 10:45:59,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:59,385 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 28 transitions. [2023-11-26 10:45:59,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 28 transitions. [2023-11-26 10:45:59,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-26 10:45:59,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 states have internal predecessors, (28), 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) [2023-11-26 10:45:59,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 28 transitions. [2023-11-26 10:45:59,412 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 28 transitions. [2023-11-26 10:45:59,412 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 28 transitions. [2023-11-26 10:45:59,412 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 10:45:59,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 28 transitions. [2023-11-26 10:45:59,413 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-26 10:45:59,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:45:59,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:45:59,414 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 10:45:59,414 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:45:59,414 INFO L748 eck$LassoCheckResult]: Stem: 170#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 165#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 166#L33-3 assume !(main_~i~0#1 < 5); 160#L33-4 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 161#L35 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 156#L37-3 [2023-11-26 10:45:59,415 INFO L750 eck$LassoCheckResult]: Loop: 156#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 155#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 156#L37-3 [2023-11-26 10:45:59,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:59,415 INFO L85 PathProgramCache]: Analyzing trace with hash 28696938, now seen corresponding path program 1 times [2023-11-26 10:45:59,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:59,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884165008] [2023-11-26 10:45:59,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:59,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:59,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:59,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:59,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884165008] [2023-11-26 10:45:59,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884165008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:59,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:59,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:45:59,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693972979] [2023-11-26 10:45:59,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:59,493 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:45:59,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:59,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times [2023-11-26 10:45:59,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:59,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936836887] [2023-11-26 10:45:59,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:59,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:59,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:59,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:59,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:59,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:59,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:59,560 INFO L87 Difference]: Start difference. First operand 19 states and 28 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-11-26 10:45:59,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:59,599 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2023-11-26 10:45:59,599 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2023-11-26 10:45:59,603 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-26 10:45:59,609 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 30 transitions. [2023-11-26 10:45:59,609 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2023-11-26 10:45:59,611 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2023-11-26 10:45:59,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 30 transitions. [2023-11-26 10:45:59,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:59,611 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 30 transitions. [2023-11-26 10:45:59,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 30 transitions. [2023-11-26 10:45:59,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 20. [2023-11-26 10:45:59,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 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) [2023-11-26 10:45:59,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2023-11-26 10:45:59,617 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2023-11-26 10:45:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:59,619 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2023-11-26 10:45:59,619 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 10:45:59,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2023-11-26 10:45:59,620 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-26 10:45:59,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:45:59,621 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:45:59,621 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:59,621 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:45:59,622 INFO L748 eck$LassoCheckResult]: Stem: 219#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 214#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 215#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 212#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 213#L33-3 assume !(main_~i~0#1 < 5); 209#L33-4 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 210#L35 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 220#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 204#L37-2 [2023-11-26 10:45:59,622 INFO L750 eck$LassoCheckResult]: Loop: 204#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 205#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 204#L37-2 [2023-11-26 10:45:59,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:59,623 INFO L85 PathProgramCache]: Analyzing trace with hash 265181045, now seen corresponding path program 1 times [2023-11-26 10:45:59,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:59,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718491971] [2023-11-26 10:45:59,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:59,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:59,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:59,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:59,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718491971] [2023-11-26 10:45:59,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718491971] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:45:59,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062829394] [2023-11-26 10:45:59,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:59,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:45:59,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:59,705 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:45:59,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-26 10:45:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:59,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:45:59,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:59,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:59,787 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:45:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:59,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062829394] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:45:59,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:45:59,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-26 10:45:59,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150947789] [2023-11-26 10:45:59,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:45:59,808 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:45:59,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:59,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1951, now seen corresponding path program 2 times [2023-11-26 10:45:59,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:59,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666498894] [2023-11-26 10:45:59,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:59,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:59,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:59,820 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:59,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:59,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 10:45:59,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:45:59,865 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:59,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:59,940 INFO L93 Difference]: Finished difference Result 40 states and 49 transitions. [2023-11-26 10:45:59,940 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 49 transitions. [2023-11-26 10:45:59,941 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-26 10:45:59,942 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 40 states and 49 transitions. [2023-11-26 10:45:59,942 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2023-11-26 10:45:59,943 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2023-11-26 10:45:59,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 49 transitions. [2023-11-26 10:45:59,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:59,943 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 49 transitions. [2023-11-26 10:45:59,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 49 transitions. [2023-11-26 10:45:59,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 32. [2023-11-26 10:45:59,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 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) [2023-11-26 10:45:59,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2023-11-26 10:45:59,947 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 37 transitions. [2023-11-26 10:45:59,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:45:59,948 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 37 transitions. [2023-11-26 10:45:59,949 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 10:45:59,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 37 transitions. [2023-11-26 10:45:59,950 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-26 10:45:59,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:45:59,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:45:59,951 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 1, 1, 1, 1, 1] [2023-11-26 10:45:59,951 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:45:59,951 INFO L748 eck$LassoCheckResult]: Stem: 331#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 326#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 327#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 324#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 325#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 333#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 341#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 340#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 337#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 336#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 335#L33-3 assume !(main_~i~0#1 < 5); 321#L33-4 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 322#L35 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 334#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 316#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 317#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 332#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 344#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 343#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 342#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 339#L37-2 [2023-11-26 10:45:59,952 INFO L750 eck$LassoCheckResult]: Loop: 339#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 338#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 339#L37-2 [2023-11-26 10:45:59,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:59,952 INFO L85 PathProgramCache]: Analyzing trace with hash 213314517, now seen corresponding path program 1 times [2023-11-26 10:45:59,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:59,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278111411] [2023-11-26 10:45:59,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:59,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:00,113 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-26 10:46:00,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:00,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278111411] [2023-11-26 10:46:00,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278111411] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:46:00,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566833095] [2023-11-26 10:46:00,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:00,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:00,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:00,124 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:00,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-26 10:46:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:00,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:46:00,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:00,275 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-26 10:46:00,276 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:46:00,340 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-26 10:46:00,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566833095] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:46:00,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:46:00,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2023-11-26 10:46:00,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340842883] [2023-11-26 10:46:00,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:46:00,342 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:46:00,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:00,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1951, now seen corresponding path program 3 times [2023-11-26 10:46:00,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:00,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889236522] [2023-11-26 10:46:00,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:00,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:00,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:00,357 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:00,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:00,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:00,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 10:46:00,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:46:00,434 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. cyclomatic complexity: 10 Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 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) [2023-11-26 10:46:00,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:00,531 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2023-11-26 10:46:00,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 56 transitions. [2023-11-26 10:46:00,533 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-26 10:46:00,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 56 transitions. [2023-11-26 10:46:00,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2023-11-26 10:46:00,534 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2023-11-26 10:46:00,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 56 transitions. [2023-11-26 10:46:00,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:46:00,535 INFO L218 hiAutomatonCegarLoop]: Abstraction has 46 states and 56 transitions. [2023-11-26 10:46:00,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 56 transitions. [2023-11-26 10:46:00,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 36. [2023-11-26 10:46:00,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 35 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) [2023-11-26 10:46:00,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2023-11-26 10:46:00,539 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 41 transitions. [2023-11-26 10:46:00,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 10:46:00,540 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 41 transitions. [2023-11-26 10:46:00,541 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 10:46:00,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 41 transitions. [2023-11-26 10:46:00,542 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-26 10:46:00,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:00,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:00,543 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 4, 1, 1, 1, 1, 1] [2023-11-26 10:46:00,543 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:46:00,543 INFO L748 eck$LassoCheckResult]: Stem: 534#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 529#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 530#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 536#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 537#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 527#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 528#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 546#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 545#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 542#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 541#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 540#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 539#L33-3 assume !(main_~i~0#1 < 5); 524#L33-4 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 525#L35 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 538#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 519#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 520#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 535#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 551#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 550#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 549#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 548#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 547#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 544#L37-2 [2023-11-26 10:46:00,543 INFO L750 eck$LassoCheckResult]: Loop: 544#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 543#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 544#L37-2 [2023-11-26 10:46:00,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:00,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1212159477, now seen corresponding path program 2 times [2023-11-26 10:46:00,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:00,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033934973] [2023-11-26 10:46:00,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:00,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:00,580 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:00,612 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:00,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:00,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1951, now seen corresponding path program 4 times [2023-11-26 10:46:00,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:00,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133499331] [2023-11-26 10:46:00,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:00,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:00,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:00,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:00,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:00,623 INFO L85 PathProgramCache]: Analyzing trace with hash 949121171, now seen corresponding path program 3 times [2023-11-26 10:46:00,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:00,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690621287] [2023-11-26 10:46:00,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:00,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:00,818 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-26 10:46:00,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:00,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690621287] [2023-11-26 10:46:00,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690621287] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:46:00,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470198249] [2023-11-26 10:46:00,819 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-26 10:46:00,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:00,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:00,821 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:00,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-26 10:46:00,994 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-11-26 10:46:00,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:46:00,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 10:46:00,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:01,029 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-26 10:46:01,030 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:46:01,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470198249] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:01,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:46:01,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2023-11-26 10:46:01,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84294334] [2023-11-26 10:46:01,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:01,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:01,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 10:46:01,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2023-11-26 10:46:01,078 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. cyclomatic complexity: 10 Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 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) [2023-11-26 10:46:01,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:01,200 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2023-11-26 10:46:01,200 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 57 transitions. [2023-11-26 10:46:01,201 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-26 10:46:01,202 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 48 states and 57 transitions. [2023-11-26 10:46:01,202 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2023-11-26 10:46:01,203 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2023-11-26 10:46:01,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 57 transitions. [2023-11-26 10:46:01,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:46:01,204 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 57 transitions. [2023-11-26 10:46:01,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 57 transitions. [2023-11-26 10:46:01,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 36. [2023-11-26 10:46:01,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 35 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) [2023-11-26 10:46:01,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2023-11-26 10:46:01,208 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 39 transitions. [2023-11-26 10:46:01,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 10:46:01,209 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 39 transitions. [2023-11-26 10:46:01,209 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 10:46:01,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 39 transitions. [2023-11-26 10:46:01,210 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-26 10:46:01,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:01,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:01,212 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:01,212 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:46:01,213 INFO L748 eck$LassoCheckResult]: Stem: 707#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 702#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 703#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 700#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 701#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 721#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 719#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 717#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 715#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 713#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 712#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 711#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 710#L33-3 assume !(main_~i~0#1 < 5); 697#L33-4 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 698#L35 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 709#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 692#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 693#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 708#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 724#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 723#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 722#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 720#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 718#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 716#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 714#L37-3 assume !(main_~i~0#1 < 5); 705#L37-4 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 706#L39 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 691#L42-3 [2023-11-26 10:46:01,213 INFO L750 eck$LassoCheckResult]: Loop: 691#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 689#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 691#L42-3 [2023-11-26 10:46:01,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:01,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1572377782, now seen corresponding path program 1 times [2023-11-26 10:46:01,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:01,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570541605] [2023-11-26 10:46:01,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:01,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:01,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:01,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:01,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:01,282 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 1 times [2023-11-26 10:46:01,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:01,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859192168] [2023-11-26 10:46:01,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:01,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:01,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:01,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:01,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:01,293 INFO L85 PathProgramCache]: Analyzing trace with hash -773438245, now seen corresponding path program 1 times [2023-11-26 10:46:01,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:01,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750792373] [2023-11-26 10:46:01,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:01,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:01,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:01,346 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:07,739 WARN L293 SmtUtils]: Spent 6.34s on a formula simplification. DAG size of input: 228 DAG size of output: 175 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-26 10:46:08,443 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:46:08,443 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:46:08,443 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:46:08,443 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:46:08,443 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:46:08,443 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:08,444 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:46:08,444 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:46:08,444 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration6_Lasso [2023-11-26 10:46:08,444 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:46:08,444 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:46:08,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:08,454 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,014 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,018 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,024 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,029 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,049 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,052 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,055 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,063 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:09,409 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:46:09,413 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:46:09,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:09,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:09,417 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:09,420 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 [2023-11-26 10:46:09,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 10:46:09,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:09,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:09,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:09,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:09,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:09,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:09,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:09,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:09,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:09,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:09,471 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:09,477 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 [2023-11-26 10:46:09,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 10:46:09,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:09,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:09,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:09,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:09,495 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:09,495 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:09,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:09,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-26 10:46:09,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:09,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:09,506 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:09,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 10:46:09,510 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 [2023-11-26 10:46:09,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:09,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:09,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:09,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:09,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:09,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:09,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:09,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:09,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:09,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:09,551 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:09,569 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 [2023-11-26 10:46:09,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 10:46:09,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:09,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:09,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:09,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:09,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:09,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:09,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:09,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:09,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:09,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:09,623 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:09,629 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 [2023-11-26 10:46:09,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 10:46:09,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:09,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:09,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:09,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:09,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:09,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:09,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:09,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:09,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:09,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:09,667 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:09,673 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 [2023-11-26 10:46:09,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 10:46:09,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:09,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:09,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:09,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:09,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:09,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:09,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:09,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:09,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:09,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:09,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:09,712 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:09,733 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 [2023-11-26 10:46:09,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-26 10:46:09,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:09,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:09,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:09,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:09,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:09,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:09,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:09,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:09,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:09,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:09,781 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:09,793 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 [2023-11-26 10:46:09,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-26 10:46:09,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:09,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:09,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:09,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:09,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:09,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:09,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:09,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:09,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:09,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:09,840 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:09,845 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 [2023-11-26 10:46:09,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-26 10:46:09,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:09,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:09,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:09,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:09,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:09,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:09,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:09,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:09,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:09,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:09,887 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:09,894 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 [2023-11-26 10:46:09,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-26 10:46:09,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:09,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:09,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:09,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:09,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:09,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:09,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:09,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:09,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:09,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:09,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:09,937 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:09,941 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 [2023-11-26 10:46:09,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-26 10:46:09,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:09,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:09,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:09,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:09,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:09,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:09,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:09,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:09,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:09,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:09,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:09,985 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:09,990 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 [2023-11-26 10:46:09,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-26 10:46:10,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:10,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:10,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:10,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:10,008 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:10,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:10,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:10,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:10,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:10,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:10,037 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:10,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-26 10:46:10,040 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 [2023-11-26 10:46:10,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:10,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:10,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:10,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:10,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:10,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:10,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:10,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:10,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:10,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:10,090 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:10,094 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 [2023-11-26 10:46:10,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:10,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:10,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:10,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:10,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-26 10:46:10,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:10,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:10,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:10,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:10,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:10,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:10,142 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:10,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-26 10:46:10,146 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 [2023-11-26 10:46:10,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:10,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:10,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:10,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:10,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:10,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:10,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:10,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:10,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:10,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:10,194 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:10,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-26 10:46:10,206 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 [2023-11-26 10:46:10,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:10,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:10,220 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-26 10:46:10,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:10,228 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-26 10:46:10,229 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 10:46:10,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:10,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:10,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:10,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:10,254 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:10,261 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 [2023-11-26 10:46:10,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-26 10:46:10,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:10,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:10,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:10,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:10,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:10,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:10,288 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:46:10,310 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2023-11-26 10:46:10,311 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-26 10:46:10,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:10,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:10,312 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:10,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-26 10:46:10,315 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:46:10,326 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:46:10,326 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:46:10,326 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~#string_A~0#1.offset, v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_2, ULTIMATE.start_main_~nc_A~0#1) = -1*ULTIMATE.start_main_~#string_A~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~#string_A~0#1.base)_2 - 1*ULTIMATE.start_main_~nc_A~0#1 Supporting invariants [] [2023-11-26 10:46:10,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:10,365 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2023-11-26 10:46:10,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#string_A~0!base] could not be translated [2023-11-26 10:46:10,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:10,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:46:10,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:10,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:46:10,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:10,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:10,481 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 [2023-11-26 10:46:10,482 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 39 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-11-26 10:46:10,509 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 39 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 44 states and 51 transitions. Complement of second has 4 states. [2023-11-26 10:46:10,512 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 [2023-11-26 10:46:10,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-11-26 10:46:10,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2023-11-26 10:46:10,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 28 letters. Loop has 2 letters. [2023-11-26 10:46:10,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:10,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 30 letters. Loop has 2 letters. [2023-11-26 10:46:10,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:10,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 28 letters. Loop has 4 letters. [2023-11-26 10:46:10,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:10,515 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 51 transitions. [2023-11-26 10:46:10,516 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-26 10:46:10,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 38 states and 42 transitions. [2023-11-26 10:46:10,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2023-11-26 10:46:10,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2023-11-26 10:46:10,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 42 transitions. [2023-11-26 10:46:10,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:46:10,518 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 42 transitions. [2023-11-26 10:46:10,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 42 transitions. [2023-11-26 10:46:10,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-26 10:46:10,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.105263157894737) internal successors, (42), 37 states have internal predecessors, (42), 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) [2023-11-26 10:46:10,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2023-11-26 10:46:10,521 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 42 transitions. [2023-11-26 10:46:10,521 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 42 transitions. [2023-11-26 10:46:10,521 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 10:46:10,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 42 transitions. [2023-11-26 10:46:10,522 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-26 10:46:10,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:10,522 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:10,523 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:10,523 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:46:10,524 INFO L748 eck$LassoCheckResult]: Stem: 930#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 925#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 926#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 922#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 923#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 932#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 942#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 940#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 938#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 936#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 935#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 934#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 933#L33-3 assume !(main_~i~0#1 < 5); 919#L33-4 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 920#L35 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 931#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 914#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 915#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 947#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 946#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 945#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 944#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 943#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 941#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 939#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 937#L37-3 assume !(main_~i~0#1 < 5); 928#L37-4 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 929#L39 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 924#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 910#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 911#L42-4 main_~nc_B~0#1 := 0; 917#L46-3 [2023-11-26 10:46:10,524 INFO L750 eck$LassoCheckResult]: Loop: 917#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 916#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 917#L46-3 [2023-11-26 10:46:10,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:10,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1793218173, now seen corresponding path program 1 times [2023-11-26 10:46:10,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:10,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019243463] [2023-11-26 10:46:10,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:10,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:10,558 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:10,582 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:10,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:10,583 INFO L85 PathProgramCache]: Analyzing trace with hash 2854, now seen corresponding path program 1 times [2023-11-26 10:46:10,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:10,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788940879] [2023-11-26 10:46:10,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:10,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:10,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:10,591 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:10,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:10,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1000780450, now seen corresponding path program 1 times [2023-11-26 10:46:10,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:10,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958121992] [2023-11-26 10:46:10,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:10,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:10,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:10,665 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:12,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:16,934 WARN L293 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 238 DAG size of output: 179 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-26 10:46:17,606 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:46:17,606 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:46:17,606 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:46:17,606 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:46:17,606 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:46:17,607 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:17,607 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:46:17,607 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:46:17,607 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration7_Lasso [2023-11-26 10:46:17,607 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:46:17,607 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:46:17,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:17,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:17,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:17,634 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:17,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:17,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:17,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:17,648 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:17,651 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:17,655 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:17,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:17,661 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:17,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:17,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:17,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:18,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:18,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:18,175 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:18,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:18,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:18,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:18,567 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:46:18,567 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:46:18,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:18,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:18,581 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:18,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-26 10:46:18,609 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 [2023-11-26 10:46:18,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:18,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:18,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:18,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:18,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:18,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:18,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:18,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:18,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:18,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:18,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:18,629 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:18,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-26 10:46:18,635 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 [2023-11-26 10:46:18,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:18,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:18,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:18,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:18,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:18,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:18,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:18,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:18,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-11-26 10:46:18,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:18,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:18,651 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:18,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-26 10:46:18,654 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 [2023-11-26 10:46:18,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:18,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:18,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:18,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:18,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:18,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:18,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:18,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:18,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:18,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:18,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:18,699 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:18,710 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 [2023-11-26 10:46:18,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-26 10:46:18,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:18,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:18,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:18,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:18,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:18,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:18,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:18,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:18,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-26 10:46:18,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:18,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:18,730 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:18,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-26 10:46:18,733 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 [2023-11-26 10:46:18,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:18,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:18,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:18,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:18,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:18,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:18,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:18,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:18,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-26 10:46:18,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:18,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:18,750 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:18,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-26 10:46:18,753 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 [2023-11-26 10:46:18,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:18,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:18,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:18,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:18,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:18,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:18,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:18,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:18,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-26 10:46:18,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:18,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:18,780 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:18,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-26 10:46:18,783 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 [2023-11-26 10:46:18,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:18,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:18,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:18,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:18,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:18,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:18,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:18,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-11-26 10:46:18,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:18,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:18,817 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:18,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-26 10:46:18,824 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 [2023-11-26 10:46:18,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:18,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:18,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:18,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:18,836 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:18,836 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:18,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:18,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2023-11-26 10:46:18,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:18,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:18,844 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:18,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-26 10:46:18,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:46:18,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:18,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:18,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:18,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:18,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:18,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:18,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:18,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:18,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-11-26 10:46:18,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:18,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:18,864 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:18,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-26 10:46:18,868 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 [2023-11-26 10:46:18,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:18,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:18,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:18,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:18,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:18,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:18,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:18,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:18,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2023-11-26 10:46:18,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:18,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:18,885 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:18,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-26 10:46:18,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:46:18,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:18,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:18,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:18,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:18,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:18,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:18,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:18,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:18,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2023-11-26 10:46:18,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:18,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:18,905 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:18,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-26 10:46:18,908 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 [2023-11-26 10:46:18,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:18,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:18,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:18,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:18,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:18,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:18,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:18,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:18,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-26 10:46:18,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:18,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:18,925 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:18,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-26 10:46:18,928 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 [2023-11-26 10:46:18,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:18,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:18,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:18,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:18,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:18,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:18,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:18,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:18,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:18,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:18,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:18,970 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:18,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:46:19,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:19,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:19,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:19,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:19,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-26 10:46:19,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:19,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:19,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:19,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:19,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:19,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:19,041 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:19,049 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 [2023-11-26 10:46:19,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-26 10:46:19,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:19,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:19,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:19,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:19,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:19,063 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:19,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:19,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-26 10:46:19,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:19,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:19,070 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:19,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-26 10:46:19,073 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 [2023-11-26 10:46:19,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:19,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:19,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:19,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:19,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:19,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:19,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:19,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:19,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:19,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:19,101 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:19,109 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 [2023-11-26 10:46:19,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-26 10:46:19,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:19,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:19,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:19,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:19,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:19,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:19,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:19,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2023-11-26 10:46:19,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:19,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:19,144 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:19,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-26 10:46:19,147 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 [2023-11-26 10:46:19,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:19,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:19,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:19,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:19,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:19,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:19,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:19,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2023-11-26 10:46:19,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:19,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:19,166 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:19,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-26 10:46:19,169 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 [2023-11-26 10:46:19,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:19,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:19,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:19,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:19,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:19,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:19,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:19,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-11-26 10:46:19,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:19,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:19,191 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:19,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-26 10:46:19,193 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 [2023-11-26 10:46:19,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:19,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:19,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:19,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:19,205 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:19,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:19,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:19,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:19,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:19,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:19,214 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:19,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-26 10:46:19,216 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 [2023-11-26 10:46:19,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:19,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:19,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:19,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:19,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:19,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:19,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:19,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:19,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:19,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:19,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:19,233 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:19,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-26 10:46:19,237 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 [2023-11-26 10:46:19,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:19,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:19,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:19,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:19,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:19,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:19,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:19,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2023-11-26 10:46:19,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:19,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:19,261 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:19,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-26 10:46:19,265 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 [2023-11-26 10:46:19,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:19,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:19,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:19,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:19,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:19,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:19,289 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:46:19,307 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-26 10:46:19,307 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2023-11-26 10:46:19,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:19,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:19,313 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:19,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-26 10:46:19,318 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:46:19,330 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:46:19,330 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:46:19,331 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~#string_B~0#1.offset, v_rep(select #length ULTIMATE.start_main_~#string_B~0#1.base)_3, ULTIMATE.start_main_~nc_B~0#1) = -1*ULTIMATE.start_main_~#string_B~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~#string_B~0#1.base)_3 - 1*ULTIMATE.start_main_~nc_B~0#1 Supporting invariants [] [2023-11-26 10:46:19,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2023-11-26 10:46:19,366 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2023-11-26 10:46:19,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#string_B~0!base] could not be translated [2023-11-26 10:46:19,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:19,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:46:19,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:19,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:19,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:46:19,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:19,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:19,539 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 [2023-11-26 10:46:19,539 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 42 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:46:19,564 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 42 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 50 transitions. Complement of second has 4 states. [2023-11-26 10:46:19,565 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 [2023-11-26 10:46:19,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:46:19,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2023-11-26 10:46:19,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 31 letters. Loop has 2 letters. [2023-11-26 10:46:19,566 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:19,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 33 letters. Loop has 2 letters. [2023-11-26 10:46:19,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:19,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 31 letters. Loop has 4 letters. [2023-11-26 10:46:19,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:19,568 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 50 transitions. [2023-11-26 10:46:19,568 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:46:19,569 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 40 states and 45 transitions. [2023-11-26 10:46:19,569 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2023-11-26 10:46:19,569 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2023-11-26 10:46:19,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 45 transitions. [2023-11-26 10:46:19,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:46:19,570 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 45 transitions. [2023-11-26 10:46:19,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 45 transitions. [2023-11-26 10:46:19,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-26 10:46:19,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 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) [2023-11-26 10:46:19,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2023-11-26 10:46:19,583 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 45 transitions. [2023-11-26 10:46:19,583 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 45 transitions. [2023-11-26 10:46:19,583 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-26 10:46:19,583 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 45 transitions. [2023-11-26 10:46:19,584 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:46:19,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:19,584 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:19,585 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:19,585 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:46:19,585 INFO L748 eck$LassoCheckResult]: Stem: 1163#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 1156#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 1157#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1154#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1155#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1180#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1179#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1178#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1177#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1176#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1174#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1172#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1170#L33-3 assume !(main_~i~0#1 < 5); 1151#L33-4 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 1152#L35 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 1165#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1145#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1146#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1164#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1175#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1173#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1171#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1169#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1168#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1167#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1166#L37-3 assume !(main_~i~0#1 < 5); 1160#L37-4 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 1161#L39 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 1158#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1141#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 1142#L42-4 main_~nc_B~0#1 := 0; 1162#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 1147#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 1148#L46-4 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 1153#L55-2 [2023-11-26 10:46:19,586 INFO L750 eck$LassoCheckResult]: Loop: 1153#L55-2 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 1159#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 1153#L55-2 [2023-11-26 10:46:19,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:19,587 INFO L85 PathProgramCache]: Analyzing trace with hash 959422888, now seen corresponding path program 1 times [2023-11-26 10:46:19,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:19,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495971406] [2023-11-26 10:46:19,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:19,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:19,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:19,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:19,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:19,631 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 1 times [2023-11-26 10:46:19,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:19,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345093498] [2023-11-26 10:46:19,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:19,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:19,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:19,641 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:19,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:19,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1412570677, now seen corresponding path program 1 times [2023-11-26 10:46:19,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:19,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881217044] [2023-11-26 10:46:19,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:19,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:19,746 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-26 10:46:19,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:19,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881217044] [2023-11-26 10:46:19,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881217044] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:19,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:19,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:46:19,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820354975] [2023-11-26 10:46:19,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:19,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:19,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:46:19,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:46:19,852 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2023-11-26 10:46:19,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:19,887 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2023-11-26 10:46:19,887 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 55 transitions. [2023-11-26 10:46:19,888 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:46:19,888 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 41 states and 45 transitions. [2023-11-26 10:46:19,888 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2023-11-26 10:46:19,889 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2023-11-26 10:46:19,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 45 transitions. [2023-11-26 10:46:19,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:46:19,889 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 45 transitions. [2023-11-26 10:46:19,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 45 transitions. [2023-11-26 10:46:19,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2023-11-26 10:46:19,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.1) internal successors, (44), 39 states have internal predecessors, (44), 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) [2023-11-26 10:46:19,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2023-11-26 10:46:19,892 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 44 transitions. [2023-11-26 10:46:19,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:46:19,894 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 44 transitions. [2023-11-26 10:46:19,894 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-26 10:46:19,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 44 transitions. [2023-11-26 10:46:19,895 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:46:19,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:19,895 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:19,896 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:19,896 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:46:19,896 INFO L748 eck$LassoCheckResult]: Stem: 1261#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 1255#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 1256#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1252#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1253#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1278#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1277#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1276#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1274#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1272#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1270#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1268#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1266#L33-3 assume !(main_~i~0#1 < 5); 1249#L33-4 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 1250#L35 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 1262#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1243#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1244#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1275#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1273#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1271#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1269#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1267#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1265#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1264#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1263#L37-3 assume !(main_~i~0#1 < 5); 1258#L37-4 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 1259#L39 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 1254#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1241#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1242#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1239#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 1240#L42-4 main_~nc_B~0#1 := 0; 1260#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 1245#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 1246#L46-4 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 1251#L55-2 [2023-11-26 10:46:19,896 INFO L750 eck$LassoCheckResult]: Loop: 1251#L55-2 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 1257#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 1251#L55-2 [2023-11-26 10:46:19,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:19,897 INFO L85 PathProgramCache]: Analyzing trace with hash 94364173, now seen corresponding path program 1 times [2023-11-26 10:46:19,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:19,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573977048] [2023-11-26 10:46:19,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:19,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:19,993 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-26 10:46:19,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:19,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573977048] [2023-11-26 10:46:19,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573977048] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:46:19,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584456842] [2023-11-26 10:46:19,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:19,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:19,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:19,995 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:20,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2023-11-26 10:46:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:20,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:46:20,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:20,154 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-26 10:46:20,155 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:46:20,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584456842] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:20,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:46:20,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2023-11-26 10:46:20,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298155002] [2023-11-26 10:46:20,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:20,157 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:46:20,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:20,157 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 2 times [2023-11-26 10:46:20,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:20,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072732289] [2023-11-26 10:46:20,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:20,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:20,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:20,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:20,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:20,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:46:20,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:46:20,268 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. cyclomatic complexity: 7 Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2023-11-26 10:46:20,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:20,290 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2023-11-26 10:46:20,291 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 47 transitions. [2023-11-26 10:46:20,291 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:46:20,292 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 42 states and 45 transitions. [2023-11-26 10:46:20,292 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2023-11-26 10:46:20,292 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2023-11-26 10:46:20,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 45 transitions. [2023-11-26 10:46:20,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:46:20,293 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 45 transitions. [2023-11-26 10:46:20,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 45 transitions. [2023-11-26 10:46:20,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2023-11-26 10:46:20,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.075) internal successors, (43), 39 states have internal predecessors, (43), 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) [2023-11-26 10:46:20,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2023-11-26 10:46:20,296 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 43 transitions. [2023-11-26 10:46:20,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:46:20,297 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 43 transitions. [2023-11-26 10:46:20,297 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-26 10:46:20,297 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 43 transitions. [2023-11-26 10:46:20,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:46:20,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:20,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:20,299 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:20,299 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:46:20,299 INFO L748 eck$LassoCheckResult]: Stem: 1460#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 1454#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 1455#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1451#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1452#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1477#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1476#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1475#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1473#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1471#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1469#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1467#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1465#L33-3 assume !(main_~i~0#1 < 5); 1448#L33-4 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 1449#L35 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 1461#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1442#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1443#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1474#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1472#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1470#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1468#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1466#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1464#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1463#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1462#L37-3 assume !(main_~i~0#1 < 5); 1457#L37-4 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 1458#L39 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 1453#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1440#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1441#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1438#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 1439#L42-4 main_~nc_B~0#1 := 0; 1459#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 1446#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1447#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 1444#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 1445#L46-4 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 1450#L55-2 [2023-11-26 10:46:20,299 INFO L750 eck$LassoCheckResult]: Loop: 1450#L55-2 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 1456#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 1450#L55-2 [2023-11-26 10:46:20,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:20,300 INFO L85 PathProgramCache]: Analyzing trace with hash 489706120, now seen corresponding path program 1 times [2023-11-26 10:46:20,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:20,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203376058] [2023-11-26 10:46:20,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:20,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:20,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:20,371 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:20,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:20,374 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 3 times [2023-11-26 10:46:20,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:20,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577857399] [2023-11-26 10:46:20,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:20,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:20,379 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:20,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:20,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:20,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1838818645, now seen corresponding path program 1 times [2023-11-26 10:46:20,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:20,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850666] [2023-11-26 10:46:20,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:20,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:20,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:20,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:26,170 WARN L293 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 275 DAG size of output: 206 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-26 10:46:26,907 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:46:26,907 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:46:26,907 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:46:26,907 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:46:26,907 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:46:26,907 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:26,907 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:46:26,907 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:46:26,907 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration10_Lasso [2023-11-26 10:46:26,908 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:46:26,908 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:46:26,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:26,919 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:26,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:26,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:26,925 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:26,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:26,931 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:26,933 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:26,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:27,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:27,553 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:27,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:27,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:27,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:27,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:27,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:27,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:27,569 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:27,976 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:46:27,976 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:46:27,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:27,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:27,981 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:27,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-26 10:46:27,984 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 [2023-11-26 10:46:27,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:27,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:27,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:27,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:27,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:27,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:27,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:28,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:28,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:28,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:28,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:28,011 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:28,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-26 10:46:28,014 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 [2023-11-26 10:46:28,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:28,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:28,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:28,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:28,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:28,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:28,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:28,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:28,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2023-11-26 10:46:28,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:28,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:28,030 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:28,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-26 10:46:28,032 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 [2023-11-26 10:46:28,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:28,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:28,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:28,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:28,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:28,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:28,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:28,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:28,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2023-11-26 10:46:28,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:28,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:28,065 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:28,073 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 [2023-11-26 10:46:28,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:28,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:28,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:28,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:28,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:28,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:28,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:28,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-26 10:46:28,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:28,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:28,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:28,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:28,103 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:28,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-26 10:46:28,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:46:28,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:28,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:28,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:28,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:28,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:28,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:28,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:28,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:28,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2023-11-26 10:46:28,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:28,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:28,125 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:28,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-26 10:46:28,127 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 [2023-11-26 10:46:28,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:28,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:28,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:28,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:28,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:28,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:28,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:28,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:28,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2023-11-26 10:46:28,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:28,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:28,144 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:28,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-26 10:46:28,146 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 [2023-11-26 10:46:28,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:28,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:28,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:28,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:28,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:28,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:28,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:28,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:28,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2023-11-26 10:46:28,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:28,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:28,162 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:28,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-26 10:46:28,165 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 [2023-11-26 10:46:28,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:28,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:28,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:28,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:28,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:28,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:28,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:28,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2023-11-26 10:46:28,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:28,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:28,184 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:28,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-26 10:46:28,187 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 [2023-11-26 10:46:28,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:28,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:28,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:28,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:28,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:28,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:28,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:28,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2023-11-26 10:46:28,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:28,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:28,206 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:28,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-26 10:46:28,208 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 [2023-11-26 10:46:28,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:28,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:28,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:28,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:28,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:28,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:28,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:28,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:28,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:28,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:28,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:28,224 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:28,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-26 10:46:28,227 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 [2023-11-26 10:46:28,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:28,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:28,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:28,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:28,239 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:28,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:28,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:28,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2023-11-26 10:46:28,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:28,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:28,246 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:28,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2023-11-26 10:46:28,249 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 [2023-11-26 10:46:28,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:28,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:28,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:28,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:28,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:28,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:28,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:28,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2023-11-26 10:46:28,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:28,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:28,267 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:28,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-26 10:46:28,270 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 [2023-11-26 10:46:28,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:28,280 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2023-11-26 10:46:28,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:28,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:28,286 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-26 10:46:28,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:28,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:28,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:28,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:28,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:28,315 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:28,325 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 [2023-11-26 10:46:28,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:28,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:28,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:28,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:28,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-11-26 10:46:28,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:28,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:28,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:28,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:28,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:28,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:28,361 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:28,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-26 10:46:28,364 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 [2023-11-26 10:46:28,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:28,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:28,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:28,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:28,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:28,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:28,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:28,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2023-11-26 10:46:28,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:28,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:28,388 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:28,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-11-26 10:46:28,390 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 [2023-11-26 10:46:28,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:28,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:28,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:28,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:28,402 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:28,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:28,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:28,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2023-11-26 10:46:28,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:28,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:28,411 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:28,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2023-11-26 10:46:28,415 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 [2023-11-26 10:46:28,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:28,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:28,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:28,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:28,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:28,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:28,438 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:46:28,455 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-26 10:46:28,455 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 13 variables to zero. [2023-11-26 10:46:28,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:28,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:28,458 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:28,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2023-11-26 10:46:28,460 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:46:28,471 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:46:28,471 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:46:28,471 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~nc_B~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~nc_B~0#1 Supporting invariants [] [2023-11-26 10:46:28,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2023-11-26 10:46:28,512 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2023-11-26 10:46:28,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:28,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:46:28,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:28,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:46:28,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:28,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:28,663 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 [2023-11-26 10:46:28,663 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 43 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-11-26 10:46:28,681 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 43 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 44 states and 49 transitions. Complement of second has 5 states. [2023-11-26 10:46:28,682 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 [2023-11-26 10:46:28,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-11-26 10:46:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2023-11-26 10:46:28,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 38 letters. Loop has 2 letters. [2023-11-26 10:46:28,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:28,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 40 letters. Loop has 2 letters. [2023-11-26 10:46:28,684 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:28,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 38 letters. Loop has 4 letters. [2023-11-26 10:46:28,684 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:28,685 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 49 transitions. [2023-11-26 10:46:28,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:46:28,686 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 44 states and 49 transitions. [2023-11-26 10:46:28,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2023-11-26 10:46:28,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2023-11-26 10:46:28,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 49 transitions. [2023-11-26 10:46:28,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:46:28,687 INFO L218 hiAutomatonCegarLoop]: Abstraction has 44 states and 49 transitions. [2023-11-26 10:46:28,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 49 transitions. [2023-11-26 10:46:28,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-26 10:46:28,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 43 states have internal predecessors, (49), 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) [2023-11-26 10:46:28,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2023-11-26 10:46:28,690 INFO L240 hiAutomatonCegarLoop]: Abstraction has 44 states and 49 transitions. [2023-11-26 10:46:28,690 INFO L428 stractBuchiCegarLoop]: Abstraction has 44 states and 49 transitions. [2023-11-26 10:46:28,690 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-26 10:46:28,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 49 transitions. [2023-11-26 10:46:28,691 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:46:28,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:28,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:28,692 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:28,692 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:46:28,692 INFO L748 eck$LassoCheckResult]: Stem: 1720#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 1710#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 1711#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1707#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1708#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1722#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1737#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1736#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1735#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1733#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1731#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 1729#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1727#L33-3 assume !(main_~i~0#1 < 5); 1704#L33-4 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 1705#L35 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 1721#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1698#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1699#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1734#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1732#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1730#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1728#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1726#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1725#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1724#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1723#L37-3 assume !(main_~i~0#1 < 5); 1716#L37-4 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 1717#L39 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 1709#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1696#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1697#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 1694#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 1695#L42-4 main_~nc_B~0#1 := 0; 1718#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 1702#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1703#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 1700#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 1701#L46-4 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 1706#L55-2 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 1712#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 1713#L55-2 [2023-11-26 10:46:28,692 INFO L750 eck$LassoCheckResult]: Loop: 1713#L55-2 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 1719#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 1713#L55-2 [2023-11-26 10:46:28,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:28,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1838818643, now seen corresponding path program 1 times [2023-11-26 10:46:28,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:28,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008863711] [2023-11-26 10:46:28,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:28,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:28,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:28,773 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:28,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:28,774 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 4 times [2023-11-26 10:46:28,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:28,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456257142] [2023-11-26 10:46:28,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:28,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:28,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:28,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:28,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:28,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1873154672, now seen corresponding path program 1 times [2023-11-26 10:46:28,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:28,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905593130] [2023-11-26 10:46:28,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:28,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:28,979 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-26 10:46:28,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:28,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905593130] [2023-11-26 10:46:28,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905593130] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:46:28,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939023332] [2023-11-26 10:46:28,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:28,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:28,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:28,985 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:28,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Waiting until timeout for monitored process [2023-11-26 10:46:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:29,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:46:29,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:29,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:29,228 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-26 10:46:29,228 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:46:29,285 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-26 10:46:29,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939023332] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:46:29,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:46:29,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 13 [2023-11-26 10:46:29,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226250235] [2023-11-26 10:46:29,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:46:29,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:29,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 10:46:29,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-26 10:46:29,389 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. cyclomatic complexity: 9 Second operand has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 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) [2023-11-26 10:46:29,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:29,588 INFO L93 Difference]: Finished difference Result 69 states and 75 transitions. [2023-11-26 10:46:29,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 75 transitions. [2023-11-26 10:46:29,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:46:29,589 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 47 states and 52 transitions. [2023-11-26 10:46:29,589 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2023-11-26 10:46:29,590 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2023-11-26 10:46:29,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 52 transitions. [2023-11-26 10:46:29,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:46:29,590 INFO L218 hiAutomatonCegarLoop]: Abstraction has 47 states and 52 transitions. [2023-11-26 10:46:29,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 52 transitions. [2023-11-26 10:46:29,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2023-11-26 10:46:29,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.108695652173913) internal successors, (51), 45 states have internal predecessors, (51), 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) [2023-11-26 10:46:29,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2023-11-26 10:46:29,593 INFO L240 hiAutomatonCegarLoop]: Abstraction has 46 states and 51 transitions. [2023-11-26 10:46:29,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 10:46:29,594 INFO L428 stractBuchiCegarLoop]: Abstraction has 46 states and 51 transitions. [2023-11-26 10:46:29,594 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-26 10:46:29,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 51 transitions. [2023-11-26 10:46:29,595 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:46:29,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:29,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:29,596 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:29,596 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:46:29,596 INFO L748 eck$LassoCheckResult]: Stem: 2108#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 2096#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 2097#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 2094#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2095#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 2126#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2125#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 2124#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2122#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 2120#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2118#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 2116#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2114#L33-3 assume !(main_~i~0#1 < 5); 2091#L33-4 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 2092#L35 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 2109#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 2085#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2086#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 2123#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2121#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 2119#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2117#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 2115#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2113#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 2112#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2111#L37-3 assume !(main_~i~0#1 < 5); 2104#L37-4 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 2105#L39 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 2098#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 2083#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 2084#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 2099#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 2110#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 2081#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 2082#L42-4 main_~nc_B~0#1 := 0; 2106#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 2089#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2090#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 2087#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 2088#L46-4 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 2093#L55-2 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 2100#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 2101#L55-2 [2023-11-26 10:46:29,597 INFO L750 eck$LassoCheckResult]: Loop: 2101#L55-2 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 2107#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 2101#L55-2 [2023-11-26 10:46:29,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:29,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1199867054, now seen corresponding path program 2 times [2023-11-26 10:46:29,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:29,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599450721] [2023-11-26 10:46:29,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:29,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:29,744 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-26 10:46:29,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:29,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599450721] [2023-11-26 10:46:29,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599450721] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:46:29,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444759486] [2023-11-26 10:46:29,745 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 10:46:29,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:29,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:29,749 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:29,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Waiting until timeout for monitored process [2023-11-26 10:46:29,893 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 10:46:29,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:46:29,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:46:29,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:29,962 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-26 10:46:29,962 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:46:30,015 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-26 10:46:30,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444759486] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:46:30,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:46:30,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2023-11-26 10:46:30,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168219203] [2023-11-26 10:46:30,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:46:30,017 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:46:30,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:30,017 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 5 times [2023-11-26 10:46:30,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:30,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136659148] [2023-11-26 10:46:30,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:30,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:30,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:30,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:30,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:30,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-26 10:46:30,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:46:30,120 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. cyclomatic complexity: 9 Second operand has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 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) [2023-11-26 10:46:30,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:30,162 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2023-11-26 10:46:30,162 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 57 transitions. [2023-11-26 10:46:30,163 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:46:30,163 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 50 states and 55 transitions. [2023-11-26 10:46:30,163 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2023-11-26 10:46:30,164 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2023-11-26 10:46:30,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 55 transitions. [2023-11-26 10:46:30,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:46:30,164 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 55 transitions. [2023-11-26 10:46:30,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 55 transitions. [2023-11-26 10:46:30,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2023-11-26 10:46:30,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 47 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) [2023-11-26 10:46:30,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2023-11-26 10:46:30,167 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 53 transitions. [2023-11-26 10:46:30,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 10:46:30,168 INFO L428 stractBuchiCegarLoop]: Abstraction has 48 states and 53 transitions. [2023-11-26 10:46:30,168 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-26 10:46:30,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 53 transitions. [2023-11-26 10:46:30,169 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:46:30,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:30,169 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:30,170 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:30,170 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:46:30,170 INFO L748 eck$LassoCheckResult]: Stem: 2467#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 2454#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 2455#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 2452#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2453#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 2486#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2484#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 2482#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2480#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 2478#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2476#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 2474#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2472#L33-3 assume !(main_~i~0#1 < 5); 2449#L33-4 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 2450#L35 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 2468#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 2443#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2444#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 2485#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2483#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 2481#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2479#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 2477#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2475#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 2473#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2471#L37-3 assume !(main_~i~0#1 < 5); 2462#L37-4 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 2463#L39 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 2456#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 2441#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 2442#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 2457#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 2469#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 2439#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 2440#L42-4 main_~nc_B~0#1 := 0; 2465#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 2447#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2448#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 2466#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2470#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 2445#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 2446#L46-4 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 2451#L55-2 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 2458#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 2459#L55-2 [2023-11-26 10:46:30,171 INFO L750 eck$LassoCheckResult]: Loop: 2459#L55-2 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 2464#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 2459#L55-2 [2023-11-26 10:46:30,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:30,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1976327923, now seen corresponding path program 3 times [2023-11-26 10:46:30,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:30,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077033406] [2023-11-26 10:46:30,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:30,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:30,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:30,223 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:30,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:30,223 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 6 times [2023-11-26 10:46:30,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:30,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600904406] [2023-11-26 10:46:30,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:30,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:30,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:30,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:30,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:30,241 INFO L85 PathProgramCache]: Analyzing trace with hash -875586576, now seen corresponding path program 2 times [2023-11-26 10:46:30,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:30,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156754229] [2023-11-26 10:46:30,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:30,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:30,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:30,338 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:36,471 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:46:36,471 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:46:36,471 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:46:36,471 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:46:36,471 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:46:36,471 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:36,471 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:46:36,471 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:46:36,471 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration13_Lasso [2023-11-26 10:46:36,471 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:46:36,471 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:46:36,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:36,494 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:36,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:36,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:36,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:36,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:36,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:36,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:36,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:37,267 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:37,269 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:37,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:37,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:37,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:37,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:37,279 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:37,281 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:37,283 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:38,033 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:46:38,034 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:46:38,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:38,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:38,047 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:38,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2023-11-26 10:46:38,048 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 [2023-11-26 10:46:38,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:38,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:38,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:38,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:38,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:38,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:38,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:38,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:38,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:38,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:38,067 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:38,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2023-11-26 10:46:38,070 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 [2023-11-26 10:46:38,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:38,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:38,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:38,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:38,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:38,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:38,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:38,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:38,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:38,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:38,088 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:38,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2023-11-26 10:46:38,090 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 [2023-11-26 10:46:38,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:38,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:38,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:38,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:38,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:38,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:38,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:38,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:38,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:38,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:38,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:38,106 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:38,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2023-11-26 10:46:38,109 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 [2023-11-26 10:46:38,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:38,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:38,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:38,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:38,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:38,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:38,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:38,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:38,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2023-11-26 10:46:38,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:38,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:38,125 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:38,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2023-11-26 10:46:38,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:46:38,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:38,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:38,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:38,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:38,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:38,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:38,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:38,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:38,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2023-11-26 10:46:38,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:38,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:38,146 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:38,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2023-11-26 10:46:38,149 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 [2023-11-26 10:46:38,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:38,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:38,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:38,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:38,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:38,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:38,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:38,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:38,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:38,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:38,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:38,166 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:38,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2023-11-26 10:46:38,169 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 [2023-11-26 10:46:38,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:38,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:38,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:38,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:38,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:38,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:38,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:38,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:38,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2023-11-26 10:46:38,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:38,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:38,184 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:38,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2023-11-26 10:46:38,187 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 [2023-11-26 10:46:38,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:38,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:38,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:38,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:38,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:38,198 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:38,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:38,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:38,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2023-11-26 10:46:38,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:38,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:38,203 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:38,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2023-11-26 10:46:38,206 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 [2023-11-26 10:46:38,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:38,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:38,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:38,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:38,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:38,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:38,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:38,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:38,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:38,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:38,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:38,222 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:38,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2023-11-26 10:46:38,225 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 [2023-11-26 10:46:38,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:38,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:38,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:38,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:38,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:38,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:38,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:38,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2023-11-26 10:46:38,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:38,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:38,246 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:38,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2023-11-26 10:46:38,249 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 [2023-11-26 10:46:38,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:38,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:38,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:38,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:38,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:38,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:38,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:38,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2023-11-26 10:46:38,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:38,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:38,268 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:38,281 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 [2023-11-26 10:46:38,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:38,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:38,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:38,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:38,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2023-11-26 10:46:38,295 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:38,295 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:38,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:38,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:38,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:38,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:38,304 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:38,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2023-11-26 10:46:38,306 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 [2023-11-26 10:46:38,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:38,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:38,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:38,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:38,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:38,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:38,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:38,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:38,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:38,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:38,325 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:38,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2023-11-26 10:46:38,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:46:38,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:38,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:38,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:38,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:38,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:38,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:38,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:38,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:38,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:38,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:38,347 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:38,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2023-11-26 10:46:38,349 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 [2023-11-26 10:46:38,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:38,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:38,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:38,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:38,365 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:38,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:38,383 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:46:38,420 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-26 10:46:38,420 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-26 10:46:38,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:38,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:38,421 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:38,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2023-11-26 10:46:38,423 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:46:38,434 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:46:38,434 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:46:38,434 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nc_B~0#1, ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~nc_B~0#1 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2023-11-26 10:46:38,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:38,470 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2023-11-26 10:46:38,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:38,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:46:38,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:38,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:46:38,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:38,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:38,633 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 [2023-11-26 10:46:38,633 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 53 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2023-11-26 10:46:38,660 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 53 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 52 states and 59 transitions. Complement of second has 5 states. [2023-11-26 10:46:38,661 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 [2023-11-26 10:46:38,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2023-11-26 10:46:38,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2023-11-26 10:46:38,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 44 letters. Loop has 2 letters. [2023-11-26 10:46:38,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:38,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 46 letters. Loop has 2 letters. [2023-11-26 10:46:38,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:38,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 44 letters. Loop has 4 letters. [2023-11-26 10:46:38,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:38,665 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 59 transitions. [2023-11-26 10:46:38,666 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:46:38,667 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 52 states and 59 transitions. [2023-11-26 10:46:38,667 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2023-11-26 10:46:38,667 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2023-11-26 10:46:38,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 59 transitions. [2023-11-26 10:46:38,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:46:38,670 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 59 transitions. [2023-11-26 10:46:38,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 59 transitions. [2023-11-26 10:46:38,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-26 10:46:38,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.1346153846153846) internal successors, (59), 51 states have internal predecessors, (59), 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) [2023-11-26 10:46:38,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2023-11-26 10:46:38,675 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 59 transitions. [2023-11-26 10:46:38,675 INFO L428 stractBuchiCegarLoop]: Abstraction has 52 states and 59 transitions. [2023-11-26 10:46:38,675 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2023-11-26 10:46:38,675 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 59 transitions. [2023-11-26 10:46:38,676 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:46:38,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:38,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:38,682 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:38,683 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:46:38,683 INFO L748 eck$LassoCheckResult]: Stem: 2759#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 2747#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 2748#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 2742#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2743#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 2777#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2776#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 2774#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2772#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 2770#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2768#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 2766#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 2762#L33-3 assume !(main_~i~0#1 < 5); 2739#L33-4 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 2740#L35 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 2760#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 2733#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2734#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 2775#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2773#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 2771#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2769#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 2767#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2765#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 2764#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2763#L37-3 assume !(main_~i~0#1 < 5); 2753#L37-4 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 2754#L39 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 2744#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 2745#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 2746#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 2731#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 2732#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 2729#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 2730#L42-4 main_~nc_B~0#1 := 0; 2755#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 2737#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2738#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 2756#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2761#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 2735#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 2736#L46-4 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 2741#L55-2 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 2749#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 2750#L55-2 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 2778#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 2757#L55-2 [2023-11-26 10:46:38,683 INFO L750 eck$LassoCheckResult]: Loop: 2757#L55-2 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 2758#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 2757#L55-2 [2023-11-26 10:46:38,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:38,684 INFO L85 PathProgramCache]: Analyzing trace with hash -875586574, now seen corresponding path program 4 times [2023-11-26 10:46:38,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:38,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125541221] [2023-11-26 10:46:38,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:38,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:38,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:38,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:38,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:38,816 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 7 times [2023-11-26 10:46:38,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:38,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882138936] [2023-11-26 10:46:38,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:38,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:38,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:38,826 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:38,831 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:38,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:38,831 INFO L85 PathProgramCache]: Analyzing trace with hash 374894997, now seen corresponding path program 3 times [2023-11-26 10:46:38,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:38,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292470131] [2023-11-26 10:46:38,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:38,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:38,999 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-26 10:46:39,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:39,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292470131] [2023-11-26 10:46:39,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292470131] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:46:39,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732537128] [2023-11-26 10:46:39,000 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-26 10:46:39,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:39,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:39,002 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:39,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (104)] Waiting until timeout for monitored process [2023-11-26 10:46:39,159 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-26 10:46:39,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:46:39,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 10:46:39,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:39,296 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-26 10:46:39,296 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:46:39,373 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-26 10:46:39,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732537128] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:46:39,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:46:39,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2023-11-26 10:46:39,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200227346] [2023-11-26 10:46:39,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:46:39,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:39,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-26 10:46:39,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2023-11-26 10:46:39,473 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. cyclomatic complexity: 12 Second operand has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 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) [2023-11-26 10:46:39,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:39,727 INFO L93 Difference]: Finished difference Result 92 states and 105 transitions. [2023-11-26 10:46:39,727 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 92 states and 105 transitions. [2023-11-26 10:46:39,731 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:46:39,732 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 92 states to 58 states and 65 transitions. [2023-11-26 10:46:39,732 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2023-11-26 10:46:39,732 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2023-11-26 10:46:39,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 65 transitions. [2023-11-26 10:46:39,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:46:39,735 INFO L218 hiAutomatonCegarLoop]: Abstraction has 58 states and 65 transitions. [2023-11-26 10:46:39,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 65 transitions. [2023-11-26 10:46:39,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2023-11-26 10:46:39,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.125) internal successors, (63), 55 states have internal predecessors, (63), 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) [2023-11-26 10:46:39,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 63 transitions. [2023-11-26 10:46:39,738 INFO L240 hiAutomatonCegarLoop]: Abstraction has 56 states and 63 transitions. [2023-11-26 10:46:39,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-26 10:46:39,739 INFO L428 stractBuchiCegarLoop]: Abstraction has 56 states and 63 transitions. [2023-11-26 10:46:39,739 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2023-11-26 10:46:39,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 63 transitions. [2023-11-26 10:46:39,740 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:46:39,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:39,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:39,741 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:39,741 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:46:39,741 INFO L748 eck$LassoCheckResult]: Stem: 3228#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 3211#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 3212#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 3209#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3210#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 3244#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3242#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 3240#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3238#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 3236#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3235#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 3234#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3233#L33-3 assume !(main_~i~0#1 < 5); 3206#L33-4 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 3207#L35 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 3229#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 3200#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3201#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 3248#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3247#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 3246#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3245#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 3243#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3241#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 3239#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3237#L37-3 assume !(main_~i~0#1 < 5); 3219#L37-4 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 3220#L39 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 3213#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 3198#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 3199#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 3214#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 3249#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 3231#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 3230#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 3196#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 3197#L42-4 main_~nc_B~0#1 := 0; 3221#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 3222#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 3250#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 3204#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 3205#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 3223#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 3232#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 3202#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 3203#L46-4 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 3208#L55-2 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 3215#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 3216#L55-2 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 3251#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 3224#L55-2 [2023-11-26 10:46:39,741 INFO L750 eck$LassoCheckResult]: Loop: 3224#L55-2 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 3225#L55 assume main_#t~mem11#1 == main_#t~mem12#1;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;main_#t~post14#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 3224#L55-2 [2023-11-26 10:46:39,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:39,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1412851758, now seen corresponding path program 5 times [2023-11-26 10:46:39,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:39,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364329229] [2023-11-26 10:46:39,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:39,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:39,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:39,808 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:39,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:39,809 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 8 times [2023-11-26 10:46:39,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:39,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865147678] [2023-11-26 10:46:39,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:39,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:39,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:39,818 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:39,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:39,818 INFO L85 PathProgramCache]: Analyzing trace with hash -540871307, now seen corresponding path program 4 times [2023-11-26 10:46:39,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:39,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624620115] [2023-11-26 10:46:39,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:39,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:39,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:39,890 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:45,663 WARN L293 SmtUtils]: Spent 5.65s on a formula simplification. DAG size of input: 371 DAG size of output: 275 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-26 10:46:46,521 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:46:46,521 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:46:46,521 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:46:46,521 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:46:46,521 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:46:46,521 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:46,521 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:46:46,521 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:46:46,521 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration15_Lasso [2023-11-26 10:46:46,521 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:46:46,521 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:46:46,525 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:46,527 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:46,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:46,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:46,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:46,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:46,549 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:46,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:46,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:46,556 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:46,558 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:46,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:46,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:46,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:47,200 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:47,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:47,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:47,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:46:47,421 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-11-26 10:46:49,388 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:46:49,389 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:46:49,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,390 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2023-11-26 10:46:49,392 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 [2023-11-26 10:46:49,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:49,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:49,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:49,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:49,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,408 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2023-11-26 10:46:49,410 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 [2023-11-26 10:46:49,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:49,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:49,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:49,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,429 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2023-11-26 10:46:49,449 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 [2023-11-26 10:46:49,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:49,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:49,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:49,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,501 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,509 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 [2023-11-26 10:46:49,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2023-11-26 10:46:49,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:49,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:49,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:49,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:49,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,553 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,561 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 [2023-11-26 10:46:49,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:49,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:49,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:49,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2023-11-26 10:46:49,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:49,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,601 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,609 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 [2023-11-26 10:46:49,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:49,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2023-11-26 10:46:49,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:49,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:49,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:49,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,643 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,649 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 [2023-11-26 10:46:49,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2023-11-26 10:46:49,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:49,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:49,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:49,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2023-11-26 10:46:49,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,665 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2023-11-26 10:46:49,667 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 [2023-11-26 10:46:49,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:49,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:49,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2023-11-26 10:46:49,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,686 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2023-11-26 10:46:49,689 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 [2023-11-26 10:46:49,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:49,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:49,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:49,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2023-11-26 10:46:49,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,704 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2023-11-26 10:46:49,707 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 [2023-11-26 10:46:49,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:49,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:49,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:49,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:49,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,722 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2023-11-26 10:46:49,724 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 [2023-11-26 10:46:49,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:49,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:49,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:49,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2023-11-26 10:46:49,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,740 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2023-11-26 10:46:49,742 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 [2023-11-26 10:46:49,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:49,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:49,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:49,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2023-11-26 10:46:49,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,763 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2023-11-26 10:46:49,766 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 [2023-11-26 10:46:49,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:49,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:49,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:49,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2023-11-26 10:46:49,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,781 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2023-11-26 10:46:49,783 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 [2023-11-26 10:46:49,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:46:49,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:46:49,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:46:49,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2023-11-26 10:46:49,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,799 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,801 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 [2023-11-26 10:46:49,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2023-11-26 10:46:49,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:49,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:49,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2023-11-26 10:46:49,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,821 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2023-11-26 10:46:49,823 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 [2023-11-26 10:46:49,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:49,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:49,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2023-11-26 10:46:49,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,843 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2023-11-26 10:46:49,849 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 [2023-11-26 10:46:49,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,859 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-26 10:46:49,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,860 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-26 10:46:49,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:49,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2023-11-26 10:46:49,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,868 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2023-11-26 10:46:49,871 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 [2023-11-26 10:46:49,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:49,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:49,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:49,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,889 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2023-11-26 10:46:49,892 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 [2023-11-26 10:46:49,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:49,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:49,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2023-11-26 10:46:49,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,911 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2023-11-26 10:46:49,913 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 [2023-11-26 10:46:49,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:49,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:49,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:49,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,934 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2023-11-26 10:46:49,937 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 [2023-11-26 10:46:49,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:49,948 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:49,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2023-11-26 10:46:49,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,956 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2023-11-26 10:46:49,958 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 [2023-11-26 10:46:49,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:49,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:49,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:49,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:49,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:49,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:49,979 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:49,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2023-11-26 10:46:49,982 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 [2023-11-26 10:46:49,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:49,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:49,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:49,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:49,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:49,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:50,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:50,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2023-11-26 10:46:50,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:50,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:50,009 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:50,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2023-11-26 10:46:50,014 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 [2023-11-26 10:46:50,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:50,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:50,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:50,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:50,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:50,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:50,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:50,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:50,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:50,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:50,037 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:50,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2023-11-26 10:46:50,040 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 [2023-11-26 10:46:50,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:50,051 INFO L203 nArgumentSynthesizer]: 36 stem disjuncts [2023-11-26 10:46:50,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:50,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:50,098 INFO L401 nArgumentSynthesizer]: We have 76 Motzkin's Theorem applications. [2023-11-26 10:46:50,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:50,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:50,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:50,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:50,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:50,192 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:50,201 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 [2023-11-26 10:46:50,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:50,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:50,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:50,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:50,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2023-11-26 10:46:50,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:50,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:50,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:50,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:50,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:50,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:50,237 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:50,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2023-11-26 10:46:50,240 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 [2023-11-26 10:46:50,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:50,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:50,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:50,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:50,253 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:50,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:50,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:46:50,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:50,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:50,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:50,269 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:50,273 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 [2023-11-26 10:46:50,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:46:50,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:46:50,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:46:50,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:46:50,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2023-11-26 10:46:50,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:46:50,290 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:46:50,312 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:46:50,342 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2023-11-26 10:46:50,342 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 13 variables to zero. [2023-11-26 10:46:50,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:46:50,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:50,347 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:50,349 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:46:50,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2023-11-26 10:46:50,385 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:46:50,385 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:46:50,385 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nc_B~0#1, ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~nc_B~0#1 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2023-11-26 10:46:50,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:50,423 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2023-11-26 10:46:50,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:50,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:46:50,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:50,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:46:50,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:50,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:50,583 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 [2023-11-26 10:46:50,584 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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) [2023-11-26 10:46:50,604 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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 58 states and 67 transitions. Complement of second has 5 states. [2023-11-26 10:46:50,605 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 [2023-11-26 10:46:50,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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) [2023-11-26 10:46:50,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2023-11-26 10:46:50,605 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 50 letters. Loop has 2 letters. [2023-11-26 10:46:50,606 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:50,606 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 10:46:50,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:50,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:46:50,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:50,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:46:50,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:50,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:50,765 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 10:46:50,766 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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) [2023-11-26 10:46:50,784 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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 58 states and 67 transitions. Complement of second has 5 states. [2023-11-26 10:46:50,785 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 [2023-11-26 10:46:50,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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) [2023-11-26 10:46:50,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2023-11-26 10:46:50,786 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 50 letters. Loop has 2 letters. [2023-11-26 10:46:50,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:50,786 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 10:46:50,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:50,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:46:50,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:50,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:46:50,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:50,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:50,935 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 10:46:50,935 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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) [2023-11-26 10:46:50,961 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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 60 states and 70 transitions. Complement of second has 4 states. [2023-11-26 10:46:50,961 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 [2023-11-26 10:46:50,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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) [2023-11-26 10:46:50,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 26 transitions. [2023-11-26 10:46:50,962 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 50 letters. Loop has 2 letters. [2023-11-26 10:46:50,962 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:50,963 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 52 letters. Loop has 2 letters. [2023-11-26 10:46:50,963 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:50,963 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 50 letters. Loop has 4 letters. [2023-11-26 10:46:50,963 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:46:50,963 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 70 transitions. [2023-11-26 10:46:50,964 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 10:46:50,965 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 58 states and 66 transitions. [2023-11-26 10:46:50,965 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2023-11-26 10:46:50,965 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2023-11-26 10:46:50,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 66 transitions. [2023-11-26 10:46:50,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:46:50,966 INFO L218 hiAutomatonCegarLoop]: Abstraction has 58 states and 66 transitions. [2023-11-26 10:46:50,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 66 transitions. [2023-11-26 10:46:50,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 50. [2023-11-26 10:46:50,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.08) internal successors, (54), 49 states have internal predecessors, (54), 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) [2023-11-26 10:46:50,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2023-11-26 10:46:50,969 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 54 transitions. [2023-11-26 10:46:50,969 INFO L428 stractBuchiCegarLoop]: Abstraction has 50 states and 54 transitions. [2023-11-26 10:46:50,969 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2023-11-26 10:46:50,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 54 transitions. [2023-11-26 10:46:50,969 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 10:46:50,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:46:50,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:46:50,970 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:50,970 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:46:50,971 INFO L748 eck$LassoCheckResult]: Stem: 3988#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 3976#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post8#1, main_#t~mem7#1, main_#t~post10#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post14#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset, main_~#string_B~0#1.base, main_~#string_B~0#1.offset, main_~i~0#1, main_~j~0#1, main_~nc_A~0#1, main_~nc_B~0#1, main_~found~0#1;call main_~#string_A~0#1.base, main_~#string_A~0#1.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0#1.base, main_~#string_B~0#1.offset := #Ultimate.allocOnStack(5);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~nc_A~0#1;havoc main_~nc_B~0#1;main_~found~0#1 := 0;main_~i~0#1 := 0; 3977#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 3974#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3975#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 4006#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 4004#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 4002#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 4000#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 3998#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3997#L33-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet2#1;call write~int#2(main_#t~nondet2#1, main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet2#1; 3996#L33-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3995#L33-3 assume !(main_~i~0#1 < 5); 3971#L33-4 call main_#t~mem3#1 := read~int#2(main_~#string_A~0#1.base, 4 + main_~#string_A~0#1.offset, 1); 3972#L35 assume !!(0 == main_#t~mem3#1);havoc main_#t~mem3#1;main_~i~0#1 := 0; 3989#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 3965#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3966#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 4010#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4009#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 4008#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4007#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 4005#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4003#L37-3 assume !!(main_~i~0#1 < 5);havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 4001#L37-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3999#L37-3 assume !(main_~i~0#1 < 5); 3984#L37-4 call main_#t~mem6#1 := read~int#1(main_~#string_B~0#1.base, 4 + main_~#string_B~0#1.offset, 1); 3985#L39 assume !!(0 == main_#t~mem6#1);havoc main_#t~mem6#1;main_~nc_A~0#1 := 0; 3978#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 3979#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 3980#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 3963#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 3964#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 3991#L42-1 assume !!(0 != main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~nc_A~0#1;main_~nc_A~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 3990#L42-3 call main_#t~mem7#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~nc_A~0#1, 1); 3961#L42-1 assume !(0 != main_#t~mem7#1);havoc main_#t~mem7#1; 3962#L42-4 main_~nc_B~0#1 := 0; 3986#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 3969#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 3970#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 3987#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 3994#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 3993#L46-1 assume !!(0 != main_#t~mem9#1);havoc main_#t~mem9#1;main_#t~post10#1 := main_~nc_B~0#1;main_~nc_B~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 3992#L46-3 call main_#t~mem9#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~nc_B~0#1, 1); 3967#L46-1 assume !(0 != main_#t~mem9#1);havoc main_#t~mem9#1; 3968#L46-4 assume !!(main_~nc_B~0#1 >= main_~nc_A~0#1);main_~j~0#1 := 0;main_~i~0#1 := main_~j~0#1; 3973#L55-2 [2023-11-26 10:46:50,971 INFO L750 eck$LassoCheckResult]: Loop: 3973#L55-2 assume !!(main_~i~0#1 < main_~nc_A~0#1 && main_~j~0#1 < main_~nc_B~0#1);call main_#t~mem11#1 := read~int#2(main_~#string_A~0#1.base, main_~#string_A~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int#1(main_~#string_B~0#1.base, main_~#string_B~0#1.offset + main_~j~0#1, 1); 3981#L55 assume !(main_#t~mem11#1 == main_#t~mem12#1);havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_~i~0#1 := 1 + (main_~i~0#1 - main_~j~0#1);main_~j~0#1 := 0; 3973#L55-2 [2023-11-26 10:46:50,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:50,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1972313288, now seen corresponding path program 2 times [2023-11-26 10:46:50,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:50,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441718020] [2023-11-26 10:46:50,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:50,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:51,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:51,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:51,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:51,039 INFO L85 PathProgramCache]: Analyzing trace with hash 3558, now seen corresponding path program 1 times [2023-11-26 10:46:51,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:51,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337250287] [2023-11-26 10:46:51,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:51,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:51,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:51,085 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:51,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:51,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1312494829, now seen corresponding path program 6 times [2023-11-26 10:46:51,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:51,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939535085] [2023-11-26 10:46:51,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:51,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:51,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01c16a81-1f7e-48f1-8008-78bc1e02fdb6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:51,113 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:51,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace