./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/invert_string-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/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_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/invert_string-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/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_270ac6e6-effc-49e0-9168-e026b0b9432b/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 ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:59:01,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:59:01,328 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:59:01,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:59:01,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:59:01,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:59:01,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:59:01,369 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:59:01,369 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:59:01,370 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:59:01,371 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:59:01,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:59:01,373 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:59:01,373 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:59:01,374 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:59:01,375 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:59:01,375 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:59:01,376 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:59:01,376 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:59:01,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:59:01,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:59:01,378 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:59:01,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:59:01,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:59:01,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:59:01,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:59:01,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:59:01,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:59:01,382 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:59:01,383 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:59:01,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:59:01,384 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:59:01,384 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:59:01,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:59:01,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:59:01,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:59:01,386 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:59:01,387 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:59:01,387 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_270ac6e6-effc-49e0-9168-e026b0b9432b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 [2023-11-26 11:59:01,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:59:01,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:59:01,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:59:01,686 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:59:01,687 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:59:01,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/loops/invert_string-3.c [2023-11-26 11:59:04,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:59:05,095 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:59:05,096 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/sv-benchmarks/c/loops/invert_string-3.c [2023-11-26 11:59:05,107 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/data/643232577/c98fe3acbd84491187fdb0125ea7d6ef/FLAG7f575a201 [2023-11-26 11:59:05,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/data/643232577/c98fe3acbd84491187fdb0125ea7d6ef [2023-11-26 11:59:05,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:59:05,140 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:59:05,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:05,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:59:05,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:59:05,154 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:05" (1/1) ... [2023-11-26 11:59:05,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66252c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:05, skipping insertion in model container [2023-11-26 11:59:05,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:05" (1/1) ... [2023-11-26 11:59:05,181 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:59:05,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:05,416 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:59:05,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:05,464 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:59:05,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:05 WrapperNode [2023-11-26 11:59:05,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:05,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:05,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:59:05,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:59:05,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:05" (1/1) ... [2023-11-26 11:59:05,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:05" (1/1) ... [2023-11-26 11:59:05,523 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2023-11-26 11:59:05,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:05,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:59:05,525 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:59:05,525 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:59:05,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:05" (1/1) ... [2023-11-26 11:59:05,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:05" (1/1) ... [2023-11-26 11:59:05,544 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:05" (1/1) ... [2023-11-26 11:59:05,558 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 2, 4]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 3 writes are split as follows [0, 1, 2]. [2023-11-26 11:59:05,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:05" (1/1) ... [2023-11-26 11:59:05,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:05" (1/1) ... [2023-11-26 11:59:05,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:05" (1/1) ... [2023-11-26 11:59:05,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:05" (1/1) ... [2023-11-26 11:59:05,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:05" (1/1) ... [2023-11-26 11:59:05,575 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:05" (1/1) ... [2023-11-26 11:59:05,578 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:59:05,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:59:05,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:59:05,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:59:05,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:05" (1/1) ... [2023-11-26 11:59:05,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:05,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:05,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:05,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:59:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:59:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:59:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:59:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:59:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:59:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:59:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:59:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:59:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:59:05,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:59:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:59:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:59:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:59:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:59:05,764 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:59:05,767 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:59:05,948 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:59:05,957 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:59:05,958 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-26 11:59:05,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:05 BoogieIcfgContainer [2023-11-26 11:59:05,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:59:05,960 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:59:05,961 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:59:05,964 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:59:05,965 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:59:05,965 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:59:05" (1/3) ... [2023-11-26 11:59:05,966 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a7684c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:59:05, skipping insertion in model container [2023-11-26 11:59:05,966 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:59:05,966 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:05" (2/3) ... [2023-11-26 11:59:05,967 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a7684c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:59:05, skipping insertion in model container [2023-11-26 11:59:05,967 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:59:05,967 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:05" (3/3) ... [2023-11-26 11:59:05,969 INFO L332 chiAutomizerObserver]: Analyzing ICFG invert_string-3.c [2023-11-26 11:59:06,030 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:59:06,030 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:59:06,030 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:59:06,030 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:59:06,030 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:59:06,031 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:59:06,031 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:59:06,031 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:59:06,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 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 11:59:06,055 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2023-11-26 11:59:06,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:59:06,056 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:59:06,060 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:59:06,060 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:59:06,060 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:59:06,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 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 11:59:06,062 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2023-11-26 11:59:06,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:59:06,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:59:06,063 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:59:06,063 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:59:06,070 INFO L748 eck$LassoCheckResult]: Stem: 16#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 14#L18-3true [2023-11-26 11:59:06,070 INFO L750 eck$LassoCheckResult]: Loop: 14#L18-3true assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 9#L18-2true main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 14#L18-3true [2023-11-26 11:59:06,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:06,077 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-26 11:59:06,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:06,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563077186] [2023-11-26 11:59:06,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:06,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:06,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:06,328 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:06,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:06,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2023-11-26 11:59:06,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:06,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737698888] [2023-11-26 11:59:06,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:06,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:06,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:06,404 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:06,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:06,406 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2023-11-26 11:59:06,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:06,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980332445] [2023-11-26 11:59:06,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:06,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:06,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:06,501 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:06,977 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:59:06,978 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:59:06,978 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:59:06,978 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:59:06,979 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:59:06,979 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:06,980 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:59:06,980 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:59:06,980 INFO L133 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration1_Lasso [2023-11-26 11:59:06,980 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:59:06,981 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:59:07,004 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 11:59:07,021 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 11:59:07,024 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 11:59:07,423 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 11:59:07,435 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 11:59:07,439 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 11:59:07,441 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 11:59:07,444 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 11:59:07,447 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 11:59:07,450 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 11:59:07,453 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 11:59:07,455 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 11:59:07,458 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 11:59:07,462 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 11:59:07,862 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:59:07,867 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:59:07,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:07,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:07,875 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:07,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:07,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:59:07,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:07,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:07,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:07,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:07,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:07,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:07,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:07,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:07,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-26 11:59:07,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:07,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:07,922 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:07,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:07,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:59:07,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:07,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:07,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:07,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:07,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:07,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:07,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:07,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:07,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:07,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:07,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:07,979 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:07,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:08,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:08,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:08,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:08,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:08,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:59:08,008 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:08,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:08,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:08,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-26 11:59:08,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:08,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:08,030 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:08,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:59:08,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:08,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:08,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:08,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:08,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:08,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:08,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:08,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:08,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:08,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:08,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:08,083 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:08,094 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 11:59:08,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:59:08,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:08,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:08,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:08,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:08,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:08,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:08,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:08,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:08,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:08,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:08,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:08,129 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:08,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:08,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 11:59:08,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:08,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:08,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:08,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:08,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:08,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:08,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:08,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:08,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:08,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:08,181 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:08,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 11:59:08,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:08,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:08,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:08,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:08,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:08,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:08,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:08,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:08,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:08,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:08,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:08,231 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:08,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 11:59:08,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:59:08,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:08,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:08,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:08,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:08,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:08,258 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:08,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:08,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:08,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:08,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:08,282 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:08,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 11:59:08,289 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 11:59:08,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:08,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:08,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:08,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:08,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:08,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:08,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:08,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:08,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:08,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:08,334 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:08,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:08,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 11:59:08,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:08,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:08,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:08,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:08,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:08,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:08,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:08,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:08,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:08,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:08,386 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:08,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:08,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 11:59:08,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:08,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:08,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:08,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:08,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:08,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:08,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:08,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:08,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:08,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:08,442 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:08,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:08,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:08,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 11:59:08,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:08,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:08,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:08,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:08,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:08,505 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:59:08,564 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-26 11:59:08,564 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-26 11:59:08,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:08,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:08,595 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:08,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 11:59:08,602 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:59:08,634 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:59:08,634 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:59:08,635 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_1, ULTIMATE.start_main_~#str1~0#1.offset, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_1 - 1*ULTIMATE.start_main_~#str1~0#1.offset - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-11-26 11:59:08,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:08,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-26 11:59:08,728 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2023-11-26 11:59:08,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#str1~0!base] could not be translated [2023-11-26 11:59:08,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:08,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:59:08,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:08,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:59:08,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:08,847 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 11:59:08,903 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 11:59:08,906 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 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) 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 11:59:08,979 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 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). 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 35 states and 49 transitions. Complement of second has 8 states. [2023-11-26 11:59:08,984 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 11:59:08,990 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 11:59:08,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2023-11-26 11:59:08,992 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-26 11:59:08,992 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:59:08,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-26 11:59:08,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:59:08,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-26 11:59:08,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:59:08,994 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 49 transitions. [2023-11-26 11:59:08,997 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-26 11:59:09,002 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 15 states and 20 transitions. [2023-11-26 11:59:09,003 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-11-26 11:59:09,003 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-26 11:59:09,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2023-11-26 11:59:09,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:09,005 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-26 11:59:09,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2023-11-26 11:59:09,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-26 11:59:09,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 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 11:59:09,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2023-11-26 11:59:09,035 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-26 11:59:09,035 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-26 11:59:09,035 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:59:09,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2023-11-26 11:59:09,036 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-26 11:59:09,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:59:09,036 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:59:09,037 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-26 11:59:09,037 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:59:09,037 INFO L748 eck$LassoCheckResult]: Stem: 146#$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(18, 2);call #Ultimate.allocInit(12, 3); 134#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 135#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 145#L18-4 call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 144#L26-3 [2023-11-26 11:59:09,038 INFO L750 eck$LassoCheckResult]: Loop: 144#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 143#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 144#L26-3 [2023-11-26 11:59:09,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:09,038 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2023-11-26 11:59:09,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:09,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897361565] [2023-11-26 11:59:09,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:09,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:09,664 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 11:59:09,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:09,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897361565] [2023-11-26 11:59:09,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897361565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:09,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:09,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:59:09,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613207815] [2023-11-26 11:59:09,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:09,669 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:59:09,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:09,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 1 times [2023-11-26 11:59:09,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:09,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156050057] [2023-11-26 11:59:09,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:09,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:09,691 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:09,702 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:09,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:09,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:59:09,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:59:09,803 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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 11:59:09,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:09,856 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2023-11-26 11:59:09,856 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2023-11-26 11:59:09,860 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-26 11:59:09,862 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 14 states and 16 transitions. [2023-11-26 11:59:09,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-26 11:59:09,862 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-26 11:59:09,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2023-11-26 11:59:09,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:09,863 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2023-11-26 11:59:09,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2023-11-26 11:59:09,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2023-11-26 11:59:09,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 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 11:59:09,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2023-11-26 11:59:09,866 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2023-11-26 11:59:09,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:59:09,868 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2023-11-26 11:59:09,869 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 11:59:09,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2023-11-26 11:59:09,870 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-26 11:59:09,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:59:09,871 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:59:09,871 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:59:09,871 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:59:09,872 INFO L748 eck$LassoCheckResult]: Stem: 180#$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(18, 2);call #Ultimate.allocInit(12, 3); 181#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 178#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 172#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 173#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 179#L18-4 call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 177#L26-3 [2023-11-26 11:59:09,872 INFO L750 eck$LassoCheckResult]: Loop: 177#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 176#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 177#L26-3 [2023-11-26 11:59:09,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:09,873 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2023-11-26 11:59:09,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:09,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948593285] [2023-11-26 11:59:09,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:09,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:10,045 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 11:59:10,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:10,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948593285] [2023-11-26 11:59:10,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948593285] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:59:10,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136368454] [2023-11-26 11:59:10,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:10,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:10,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:10,049 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:59:10,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-26 11:59:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:10,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 11:59:10,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:10,161 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 11:59:10,162 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:59:10,226 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 11:59:10,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136368454] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:59:10,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:59:10,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5] total 9 [2023-11-26 11:59:10,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143998509] [2023-11-26 11:59:10,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:59:10,231 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:59:10,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:10,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 2 times [2023-11-26 11:59:10,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:10,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804971199] [2023-11-26 11:59:10,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:10,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:10,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:10,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:10,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:10,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 11:59:10,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2023-11-26 11:59:10,343 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. cyclomatic complexity: 5 Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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 11:59:10,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:10,458 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2023-11-26 11:59:10,458 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2023-11-26 11:59:10,459 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-26 11:59:10,460 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 21 transitions. [2023-11-26 11:59:10,460 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-26 11:59:10,460 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-26 11:59:10,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 21 transitions. [2023-11-26 11:59:10,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:10,460 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-26 11:59:10,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 21 transitions. [2023-11-26 11:59:10,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-26 11:59:10,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.105263157894737) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:10,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2023-11-26 11:59:10,463 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-26 11:59:10,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 11:59:10,464 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-26 11:59:10,464 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 11:59:10,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2023-11-26 11:59:10,465 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-26 11:59:10,465 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:59:10,465 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:59:10,466 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2023-11-26 11:59:10,466 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:59:10,466 INFO L748 eck$LassoCheckResult]: Stem: 257#$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(18, 2);call #Ultimate.allocInit(12, 3); 258#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 254#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 248#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 249#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 255#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 263#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 262#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 261#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 260#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 259#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 256#L18-4 call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 253#L26-3 [2023-11-26 11:59:10,466 INFO L750 eck$LassoCheckResult]: Loop: 253#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 252#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 253#L26-3 [2023-11-26 11:59:10,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:10,467 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2023-11-26 11:59:10,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:10,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975785130] [2023-11-26 11:59:10,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:10,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:10,689 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:59:10,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:10,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975785130] [2023-11-26 11:59:10,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975785130] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:59:10,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115675591] [2023-11-26 11:59:10,690 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 11:59:10,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:10,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:10,691 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:59:10,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-26 11:59:10,804 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 11:59:10,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:59:10,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-26 11:59:10,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:10,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:59:10,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2023-11-26 11:59:10,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-26 11:59:11,058 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:59:11,058 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:59:11,952 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:59:11,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115675591] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:59:11,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:59:11,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 18 [2023-11-26 11:59:11,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881371348] [2023-11-26 11:59:11,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:59:11,956 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:59:11,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:11,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 3 times [2023-11-26 11:59:11,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:11,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309670032] [2023-11-26 11:59:11,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:11,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:11,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:11,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:12,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:12,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-26 11:59:12,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2023-11-26 11:59:12,067 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. cyclomatic complexity: 5 Second operand has 18 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 18 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:12,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:12,408 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2023-11-26 11:59:12,408 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 24 transitions. [2023-11-26 11:59:12,409 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-26 11:59:12,409 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 24 transitions. [2023-11-26 11:59:12,409 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-26 11:59:12,409 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-26 11:59:12,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 24 transitions. [2023-11-26 11:59:12,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:12,410 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 24 transitions. [2023-11-26 11:59:12,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 24 transitions. [2023-11-26 11:59:12,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2023-11-26 11:59:12,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 20 states have internal predecessors, (23), 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 11:59:12,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2023-11-26 11:59:12,412 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 23 transitions. [2023-11-26 11:59:12,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 11:59:12,416 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 23 transitions. [2023-11-26 11:59:12,418 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 11:59:12,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 23 transitions. [2023-11-26 11:59:12,419 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-26 11:59:12,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:59:12,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:59:12,421 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2023-11-26 11:59:12,421 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:59:12,422 INFO L748 eck$LassoCheckResult]: Stem: 386#$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(18, 2);call #Ultimate.allocInit(12, 3); 387#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 382#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 383#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 384#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 376#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 377#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 393#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 392#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 391#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 390#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 389#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 388#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 385#L18-4 call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 381#L26-3 [2023-11-26 11:59:12,422 INFO L750 eck$LassoCheckResult]: Loop: 381#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 380#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 381#L26-3 [2023-11-26 11:59:12,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:12,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1745699051, now seen corresponding path program 3 times [2023-11-26 11:59:12,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:12,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117765479] [2023-11-26 11:59:12,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:12,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:12,461 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:12,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:12,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:12,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 4 times [2023-11-26 11:59:12,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:12,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101202976] [2023-11-26 11:59:12,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:12,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:12,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:12,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:12,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:12,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1715425495, now seen corresponding path program 1 times [2023-11-26 11:59:12,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:12,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421478153] [2023-11-26 11:59:12,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:12,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:12,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:12,581 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:16,481 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:59:16,481 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:59:16,481 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:59:16,481 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:59:16,481 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:59:16,481 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:16,481 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:59:16,482 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:59:16,482 INFO L133 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration5_Lasso [2023-11-26 11:59:16,482 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:59:16,482 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:59:16,484 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 11:59:16,488 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 11:59:16,500 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 11:59:16,503 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 11:59:16,505 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 11:59:16,508 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 11:59:16,511 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 11:59:16,513 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 11:59:16,924 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 11:59:16,926 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 11:59:16,928 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 11:59:16,930 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 11:59:16,933 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 11:59:17,241 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:59:17,241 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:59:17,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:17,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:17,245 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:17,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 11:59:17,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:59:17,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:17,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:17,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:17,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:17,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:17,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:17,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:17,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:17,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:17,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:17,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:17,282 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:17,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 11:59:17,289 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 11:59:17,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:17,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:17,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:17,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:17,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:17,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:17,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:17,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:17,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:17,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:17,326 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:17,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:17,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 11:59:17,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:17,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:17,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:17,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:17,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:17,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:17,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:17,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:17,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:17,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:17,390 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:17,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:17,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 11:59:17,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:17,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:17,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:17,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:17,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:17,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:17,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:17,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:17,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:17,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:17,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:17,429 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:17,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:59:17,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 11:59:17,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:17,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:17,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:17,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:17,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:17,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:17,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:17,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:17,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:17,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:17,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:17,485 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:17,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 11:59:17,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:59:17,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:17,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:17,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:17,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:17,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:17,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:17,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:17,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:17,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:17,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:17,539 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:17,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:17,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:17,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:17,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:17,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:17,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:17,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:17,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:17,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 11:59:17,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:17,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:17,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:17,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:17,590 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:17,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:17,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:17,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:17,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:17,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:17,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:17,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 11:59:17,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:17,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:17,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:17,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:17,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:17,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:17,629 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:17,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:17,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 11:59:17,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:17,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:17,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:17,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:17,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:17,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:17,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:17,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:17,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:17,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:17,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:17,675 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:17,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:17,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 11:59:17,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:17,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:17,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:17,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:17,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:17,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:17,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:17,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:17,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:17,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:17,723 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:17,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:17,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 11:59:17,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:17,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:17,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:17,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:17,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:17,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:17,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:17,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:17,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:17,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:17,767 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:17,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:59:17,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:17,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:17,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:17,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:17,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:17,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:17,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:17,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 11:59:17,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:17,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:17,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:17,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:17,803 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:17,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:17,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:17,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:17,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:17,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:17,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 11:59:17,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:17,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:17,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:17,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:17,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:17,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:17,846 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:17,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:17,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:17,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:17,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:17,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:17,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 11:59:17,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:17,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:17,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:17,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-26 11:59:17,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:17,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:17,900 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:17,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-26 11:59:17,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:17,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:17,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:17,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:17,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:17,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:17,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:17,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:17,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-26 11:59:17,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:17,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:17,925 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:17,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-26 11:59:17,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:17,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:17,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:17,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:17,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:17,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:17,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:17,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:17,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:17,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:17,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:17,954 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:17,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-26 11:59:17,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:59:17,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:17,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:17,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:17,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:17,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:17,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:17,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:17,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-26 11:59:17,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:17,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:17,980 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:17,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:17,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-26 11:59:17,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:17,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:17,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:17,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:18,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:18,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:18,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:18,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-26 11:59:18,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:18,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:18,008 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:18,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-26 11:59:18,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:18,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:18,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:18,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:18,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:18,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:18,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:18,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:18,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:18,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-26 11:59:18,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:18,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:18,032 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:18,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:18,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-26 11:59:18,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:18,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:18,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:18,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:18,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:18,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:18,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:18,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:18,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:18,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:18,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:18,054 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:18,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-26 11:59:18,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:18,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:18,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:18,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:18,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:18,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:18,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:18,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:18,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:18,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:18,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:18,097 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:18,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:59:18,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:18,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:18,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:18,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:18,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-26 11:59:18,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:18,116 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:18,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:18,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:18,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:18,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:18,193 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:18,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:18,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-26 11:59:18,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:18,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:18,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:18,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:18,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:18,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:18,232 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:59:18,245 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-26 11:59:18,245 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-26 11:59:18,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:18,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:18,248 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:18,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-26 11:59:18,250 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:59:18,261 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:59:18,261 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:59:18,261 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 2*ULTIMATE.start_main_~i~0#1 + 1 Supporting invariants [] [2023-11-26 11:59:18,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:18,306 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2023-11-26 11:59:18,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:18,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:59:18,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:18,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:59:18,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:18,402 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 11:59:18,402 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 11:59:18,403 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 23 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:18,425 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 23 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 29 transitions. Complement of second has 7 states. [2023-11-26 11:59:18,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 11:59:18,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:18,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2023-11-26 11:59:18,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 14 letters. Loop has 2 letters. [2023-11-26 11:59:18,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:59:18,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 16 letters. Loop has 2 letters. [2023-11-26 11:59:18,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:59:18,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 14 letters. Loop has 4 letters. [2023-11-26 11:59:18,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:59:18,429 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2023-11-26 11:59:18,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:59:18,431 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 22 states and 25 transitions. [2023-11-26 11:59:18,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-26 11:59:18,431 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-26 11:59:18,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 25 transitions. [2023-11-26 11:59:18,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:18,432 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 25 transitions. [2023-11-26 11:59:18,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 25 transitions. [2023-11-26 11:59:18,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-26 11:59:18,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 21 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 11:59:18,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2023-11-26 11:59:18,434 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 25 transitions. [2023-11-26 11:59:18,435 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2023-11-26 11:59:18,435 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 11:59:18,435 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2023-11-26 11:59:18,436 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:59:18,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:59:18,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:59:18,437 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:18,437 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:59:18,437 INFO L748 eck$LassoCheckResult]: Stem: 543#$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(18, 2);call #Ultimate.allocInit(12, 3); 544#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 538#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 539#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 540#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 533#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 534#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 550#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 549#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 548#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 547#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 546#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 545#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 541#L18-4 call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 542#L26-3 assume !(main_~i~0#1 >= 0); 535#L26-4 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 530#L32-3 [2023-11-26 11:59:18,437 INFO L750 eck$LassoCheckResult]: Loop: 530#L32-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem10#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem11#1 := read~int#1(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem10#1 == main_#t~mem11#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 532#L6 assume !(0 == __VERIFIER_assert_~cond#1); 531#L6-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem10#1;havoc main_#t~mem11#1;main_#t~post12#1 := main_~j~0#1;main_~j~0#1 := main_#t~post12#1 - 1;havoc main_#t~post12#1; 529#L32-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 530#L32-3 [2023-11-26 11:59:18,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:18,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1715425437, now seen corresponding path program 1 times [2023-11-26 11:59:18,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:18,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45511545] [2023-11-26 11:59:18,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:18,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:18,554 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-26 11:59:18,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:18,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45511545] [2023-11-26 11:59:18,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45511545] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:18,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:18,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:59:18,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394639140] [2023-11-26 11:59:18,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:18,555 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:59:18,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:18,556 INFO L85 PathProgramCache]: Analyzing trace with hash 2102348, now seen corresponding path program 1 times [2023-11-26 11:59:18,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:18,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978087424] [2023-11-26 11:59:18,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:18,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:18,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:18,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:18,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:18,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:59:18,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:59:18,697 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:18,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:18,743 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2023-11-26 11:59:18,743 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 25 transitions. [2023-11-26 11:59:18,744 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:59:18,744 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 25 transitions. [2023-11-26 11:59:18,744 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-26 11:59:18,745 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-26 11:59:18,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 25 transitions. [2023-11-26 11:59:18,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:18,745 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 25 transitions. [2023-11-26 11:59:18,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 25 transitions. [2023-11-26 11:59:18,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2023-11-26 11:59:18,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 21 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 11:59:18,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2023-11-26 11:59:18,748 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 24 transitions. [2023-11-26 11:59:18,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:59:18,749 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2023-11-26 11:59:18,749 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 11:59:18,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 24 transitions. [2023-11-26 11:59:18,750 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:59:18,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:59:18,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:59:18,751 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:18,751 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:59:18,751 INFO L748 eck$LassoCheckResult]: Stem: 596#$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(18, 2);call #Ultimate.allocInit(12, 3); 597#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 592#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 587#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 588#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 593#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 604#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 603#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 602#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 601#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 600#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 599#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 598#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 594#L18-4 call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 595#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 590#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 591#L26-3 assume !(main_~i~0#1 >= 0); 589#L26-4 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 584#L32-3 [2023-11-26 11:59:18,752 INFO L750 eck$LassoCheckResult]: Loop: 584#L32-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem10#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem11#1 := read~int#1(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem10#1 == main_#t~mem11#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 586#L6 assume !(0 == __VERIFIER_assert_~cond#1); 585#L6-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem10#1;havoc main_#t~mem11#1;main_#t~post12#1 := main_~j~0#1;main_~j~0#1 := main_#t~post12#1 - 1;havoc main_#t~post12#1; 583#L32-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 584#L32-3 [2023-11-26 11:59:18,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:18,752 INFO L85 PathProgramCache]: Analyzing trace with hash -743540257, now seen corresponding path program 1 times [2023-11-26 11:59:18,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:18,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304937785] [2023-11-26 11:59:18,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:18,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:18,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:19,011 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-26 11:59:19,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:19,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304937785] [2023-11-26 11:59:19,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304937785] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:59:19,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108318699] [2023-11-26 11:59:19,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:19,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:19,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:19,013 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:59:19,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2023-11-26 11:59:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:19,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 11:59:19,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:19,233 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-26 11:59:19,233 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:59:19,628 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-26 11:59:19,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108318699] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:59:19,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:59:19,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-11-26 11:59:19,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137261845] [2023-11-26 11:59:19,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:59:19,630 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:59:19,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:19,630 INFO L85 PathProgramCache]: Analyzing trace with hash 2102348, now seen corresponding path program 2 times [2023-11-26 11:59:19,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:19,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400080562] [2023-11-26 11:59:19,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:19,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:19,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:19,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:19,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:19,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-26 11:59:19,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2023-11-26 11:59:19,761 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. cyclomatic complexity: 5 Second operand has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:19,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:19,913 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2023-11-26 11:59:19,914 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 34 transitions. [2023-11-26 11:59:19,914 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:59:19,915 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 34 transitions. [2023-11-26 11:59:19,915 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-26 11:59:19,915 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-26 11:59:19,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 34 transitions. [2023-11-26 11:59:19,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:19,916 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 34 transitions. [2023-11-26 11:59:19,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 34 transitions. [2023-11-26 11:59:19,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 28. [2023-11-26 11:59:19,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 27 states have internal predecessors, (30), 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 11:59:19,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2023-11-26 11:59:19,919 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 30 transitions. [2023-11-26 11:59:19,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 11:59:19,920 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 30 transitions. [2023-11-26 11:59:19,920 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-26 11:59:19,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 30 transitions. [2023-11-26 11:59:19,921 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:59:19,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:59:19,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:59:19,922 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:19,922 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:59:19,923 INFO L748 eck$LassoCheckResult]: Stem: 776#$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(18, 2);call #Ultimate.allocInit(12, 3); 777#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 772#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 766#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 767#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 773#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 790#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 788#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 786#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 784#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 783#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 782#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 781#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 774#L18-4 call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 775#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 769#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 770#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 778#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 789#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 787#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 785#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 780#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 779#L26-3 assume !(main_~i~0#1 >= 0); 771#L26-4 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 764#L32-3 [2023-11-26 11:59:19,923 INFO L750 eck$LassoCheckResult]: Loop: 764#L32-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem10#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem11#1 := read~int#1(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem10#1 == main_#t~mem11#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 768#L6 assume !(0 == __VERIFIER_assert_~cond#1); 765#L6-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem10#1;havoc main_#t~mem11#1;main_#t~post12#1 := main_~j~0#1;main_~j~0#1 := main_#t~post12#1 - 1;havoc main_#t~post12#1; 763#L32-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 764#L32-3 [2023-11-26 11:59:19,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:19,923 INFO L85 PathProgramCache]: Analyzing trace with hash -430652763, now seen corresponding path program 2 times [2023-11-26 11:59:19,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:19,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434901751] [2023-11-26 11:59:19,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:19,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:20,480 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-26 11:59:20,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:20,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434901751] [2023-11-26 11:59:20,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434901751] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:59:20,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779663097] [2023-11-26 11:59:20,481 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 11:59:20,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:20,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:20,482 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:59:20,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2023-11-26 11:59:20,640 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 11:59:20,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:59:20,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-26 11:59:20,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:20,824 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-26 11:59:20,825 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:59:21,006 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-26 11:59:21,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779663097] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:59:21,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:59:21,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 23 [2023-11-26 11:59:21,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104465494] [2023-11-26 11:59:21,006 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:59:21,007 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:59:21,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:21,007 INFO L85 PathProgramCache]: Analyzing trace with hash 2102348, now seen corresponding path program 3 times [2023-11-26 11:59:21,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:21,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846376181] [2023-11-26 11:59:21,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:21,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:21,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:21,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:21,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:21,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-26 11:59:21,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2023-11-26 11:59:21,155 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. cyclomatic complexity: 5 Second operand has 23 states, 23 states have (on average 2.0434782608695654) internal successors, (47), 23 states have internal predecessors, (47), 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 11:59:21,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:21,751 INFO L93 Difference]: Finished difference Result 61 states and 64 transitions. [2023-11-26 11:59:21,751 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 64 transitions. [2023-11-26 11:59:21,752 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:59:21,753 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 61 states and 64 transitions. [2023-11-26 11:59:21,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2023-11-26 11:59:21,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2023-11-26 11:59:21,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 64 transitions. [2023-11-26 11:59:21,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:21,754 INFO L218 hiAutomatonCegarLoop]: Abstraction has 61 states and 64 transitions. [2023-11-26 11:59:21,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 64 transitions. [2023-11-26 11:59:21,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 40. [2023-11-26 11:59:21,758 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 11:59:21,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2023-11-26 11:59:21,758 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 43 transitions. [2023-11-26 11:59:21,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-26 11:59:21,760 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 43 transitions. [2023-11-26 11:59:21,760 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-26 11:59:21,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 43 transitions. [2023-11-26 11:59:21,761 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:59:21,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:59:21,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:59:21,762 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:21,762 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:59:21,763 INFO L748 eck$LassoCheckResult]: Stem: 1048#$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(18, 2);call #Ultimate.allocInit(12, 3); 1049#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem7#1, main_#t~post8#1, main_#t~post6#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~post9#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 1043#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1044#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1045#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1038#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1039#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1058#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1057#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1056#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1055#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 1054#L18-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1053#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 1046#L18-4 call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 1047#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1050#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 1073#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1072#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 1070#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1068#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 1066#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1064#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 1061#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem7#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem7#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem7#1;main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1062#L26-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 1052#L26-3 assume !(main_~i~0#1 >= 0); 1042#L26-4 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 1035#L32-3 [2023-11-26 11:59:21,763 INFO L750 eck$LassoCheckResult]: Loop: 1035#L32-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem10#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem11#1 := read~int#1(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem10#1 == main_#t~mem11#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1037#L6 assume !(0 == __VERIFIER_assert_~cond#1); 1036#L6-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem10#1;havoc main_#t~mem11#1;main_#t~post12#1 := main_~j~0#1;main_~j~0#1 := main_#t~post12#1 - 1;havoc main_#t~post12#1; 1034#L32-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1035#L32-3 [2023-11-26 11:59:21,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:21,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1540388377, now seen corresponding path program 3 times [2023-11-26 11:59:21,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:21,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657108659] [2023-11-26 11:59:21,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:21,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:21,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:21,864 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:21,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:21,865 INFO L85 PathProgramCache]: Analyzing trace with hash 2102348, now seen corresponding path program 4 times [2023-11-26 11:59:21,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:21,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848789724] [2023-11-26 11:59:21,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:21,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:21,871 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:21,877 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:21,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:21,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1945355470, now seen corresponding path program 1 times [2023-11-26 11:59:21,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:21,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780861355] [2023-11-26 11:59:21,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:21,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:21,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:21,977 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:36,174 WARN L293 SmtUtils]: Spent 14.06s on a formula simplification. DAG size of input: 280 DAG size of output: 213 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-26 11:59:37,373 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:59:37,373 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:59:37,373 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:59:37,373 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:59:37,374 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:59:37,374 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:37,374 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:59:37,374 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:59:37,374 INFO L133 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration9_Lasso [2023-11-26 11:59:37,374 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:59:37,374 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:59:37,378 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 11:59:37,383 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 11:59:37,409 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 11:59:37,414 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 11:59:37,417 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 11:59:37,420 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 11:59:37,424 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 11:59:38,365 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 11:59:38,368 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 11:59:38,370 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 11:59:38,373 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 11:59:38,375 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 11:59:38,377 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 11:59:38,379 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 11:59:38,854 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:59:38,854 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:59:38,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:38,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:38,863 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:38,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-26 11:59:38,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:38,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:38,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:38,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:38,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:38,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:38,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:38,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:38,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:38,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:38,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:38,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:38,889 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:38,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-26 11:59:38,892 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 11:59:38,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:38,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:38,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:38,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:38,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:38,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:38,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:38,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:38,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:38,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:38,919 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:38,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-26 11:59:38,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:38,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:38,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:38,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:38,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:38,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:38,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:38,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:38,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-26 11:59:38,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:38,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:38,943 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:38,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-26 11:59:38,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:38,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:38,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:38,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:38,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:38,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:38,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:38,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:38,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:38,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-26 11:59:38,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:38,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:38,986 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:38,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-26 11:59:38,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:38,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:39,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:39,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:39,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:39,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:39,000 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:39,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:39,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:39,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-26 11:59:39,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:39,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:39,010 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:39,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-26 11:59:39,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:39,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:39,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:39,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:39,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:39,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:39,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:39,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:39,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:39,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:39,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:39,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:39,030 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:39,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-26 11:59:39,032 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 11:59:39,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:39,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:39,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:39,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:39,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:39,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:39,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:39,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:39,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:39,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:39,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:39,049 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:39,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-26 11:59:39,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:59:39,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:39,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:39,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:39,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:39,066 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:39,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:39,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:39,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2023-11-26 11:59:39,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:39,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:39,075 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:39,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:59:39,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-26 11:59:39,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:39,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:39,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:39,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:39,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:39,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:39,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:39,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-11-26 11:59:39,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:39,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:39,099 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:39,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-26 11:59:39,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:39,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:39,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:39,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:39,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:39,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:39,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:39,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:39,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2023-11-26 11:59:39,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:39,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:39,124 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:39,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-26 11:59:39,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:39,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:39,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:39,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:39,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:39,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:39,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:39,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:39,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2023-11-26 11:59:39,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:39,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:39,148 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:39,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-26 11:59:39,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:39,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:39,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:39,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:39,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:39,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:39,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:39,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:39,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:39,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:39,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:39,174 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:39,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-26 11:59:39,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:39,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:39,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:39,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:39,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:39,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:39,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:39,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:39,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-11-26 11:59:39,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:39,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:39,196 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:39,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-26 11:59:39,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:59:39,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:39,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:39,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:39,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:39,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:39,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:39,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:39,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:39,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:39,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:39,222 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:39,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-26 11:59:39,225 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 11:59:39,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:39,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:39,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:39,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:39,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:39,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:39,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:39,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:39,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:39,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:39,263 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:39,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:59:39,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-26 11:59:39,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:39,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:39,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:39,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:39,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:39,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:39,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:39,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:39,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:39,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:39,313 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:39,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:39,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-26 11:59:39,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:39,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:39,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:39,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:39,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:39,334 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:39,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:39,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:39,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:39,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:39,343 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:39,349 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 11:59:39,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-26 11:59:39,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:39,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:39,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:39,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:39,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:39,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:39,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:39,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2023-11-26 11:59:39,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:39,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:39,371 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:39,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-26 11:59:39,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:59:39,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:39,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:39,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:39,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:39,391 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:39,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:39,405 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:59:39,424 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-26 11:59:39,424 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-11-26 11:59:39,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:39,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:39,425 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:39,428 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:59:39,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-26 11:59:39,441 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-26 11:59:39,441 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:59:39,441 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 9 Supporting invariants [1*ULTIMATE.start_main_~#str1~0#1.offset - 1*v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_3 + 5 >= 0] [2023-11-26 11:59:39,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-11-26 11:59:39,495 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2023-11-26 11:59:39,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:39,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-26 11:59:39,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:39,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-26 11:59:39,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:59:39,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-26 11:59:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:40,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 11:59:40,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:40,073 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 11:59:40,073 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2023-11-26 11:59:40,074 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 43 transitions. cyclomatic complexity: 6 Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 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 11:59:40,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:40,328 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 43 transitions. cyclomatic complexity: 6. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 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 73 states and 80 transitions. Complement of second has 12 states. [2023-11-26 11:59:40,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 8 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-26 11:59:40,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 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 11:59:40,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 45 transitions. [2023-11-26 11:59:40,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 45 transitions. Stem has 26 letters. Loop has 4 letters. [2023-11-26 11:59:40,331 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:59:40,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 45 transitions. Stem has 30 letters. Loop has 4 letters. [2023-11-26 11:59:40,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:59:40,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 45 transitions. Stem has 26 letters. Loop has 8 letters. [2023-11-26 11:59:40,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:59:40,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 80 transitions. [2023-11-26 11:59:40,334 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:59:40,334 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 0 states and 0 transitions. [2023-11-26 11:59:40,334 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 11:59:40,334 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 11:59:40,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 11:59:40,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:40,335 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:59:40,335 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:59:40,335 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:59:40,335 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-26 11:59:40,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:59:40,336 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:59:40,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 11:59:40,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:59:40 BoogieIcfgContainer [2023-11-26 11:59:40,342 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:59:40,343 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:59:40,343 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:59:40,343 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:59:40,344 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:05" (3/4) ... [2023-11-26 11:59:40,345 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:59:40,347 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:59:40,347 INFO L158 Benchmark]: Toolchain (without parser) took 35207.88ms. Allocated memory was 136.3MB in the beginning and 201.3MB in the end (delta: 65.0MB). Free memory was 97.9MB in the beginning and 150.8MB in the end (delta: -52.9MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-26 11:59:40,348 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:59:40,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.47ms. Allocated memory is still 136.3MB. Free memory was 97.5MB in the beginning and 86.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:59:40,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.12ms. Allocated memory is still 136.3MB. Free memory was 86.9MB in the beginning and 85.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:59:40,348 INFO L158 Benchmark]: Boogie Preprocessor took 53.43ms. Allocated memory is still 136.3MB. Free memory was 85.3MB in the beginning and 83.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:59:40,349 INFO L158 Benchmark]: RCFGBuilder took 380.71ms. Allocated memory is still 136.3MB. Free memory was 83.2MB in the beginning and 71.2MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:59:40,349 INFO L158 Benchmark]: BuchiAutomizer took 34381.94ms. Allocated memory was 136.3MB in the beginning and 201.3MB in the end (delta: 65.0MB). Free memory was 71.0MB in the beginning and 150.8MB in the end (delta: -79.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:59:40,349 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 201.3MB. Free memory is still 150.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:59:40,351 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.47ms. Allocated memory is still 136.3MB. Free memory was 97.5MB in the beginning and 86.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.12ms. Allocated memory is still 136.3MB. Free memory was 86.9MB in the beginning and 85.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.43ms. Allocated memory is still 136.3MB. Free memory was 85.3MB in the beginning and 83.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.71ms. Allocated memory is still 136.3MB. Free memory was 83.2MB in the beginning and 71.2MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 34381.94ms. Allocated memory was 136.3MB in the beginning and 201.3MB in the end (delta: 65.0MB). Free memory was 71.0MB in the beginning and 150.8MB in the end (delta: -79.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 201.3MB. Free memory is still 150.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~#str1~0!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (6 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function ((2 * i) + 1) and consists of 4 locations. One deterministic module has affine ranking function ((-2 * i) + 9) and consists of 11 locations. 6 modules have a trivial ranking function, the largest among these consists of 23 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 34.3s and 10 iterations. TraceHistogramMax:5. Analysis of lassos took 31.6s. Construction of modules took 0.9s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 9. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 28 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 428 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 426 mSDsluCounter, 195 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 118 mSDsCounter, 171 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 703 IncrementalHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 171 mSolverCounterUnsat, 77 mSDtfsCounter, 703 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU6 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital227 mio100 ax100 hnf100 lsp92 ukn64 mio100 lsp28 div226 bol100 ite100 ukn100 eq151 hnf93 smp69 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 11:59:40,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2023-11-26 11:59:40,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2023-11-26 11:59:40,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-26 11:59:40,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:41,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270ac6e6-effc-49e0-9168-e026b0b9432b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE