./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a 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_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 00a8f866e26c2e2f6efeb25e7ec6952d97cdca88cd5ba8f7afdfeeef8678b95c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:07:17,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:07:17,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:07:17,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:07:17,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:07:17,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:07:17,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:07:17,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:07:17,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:07:17,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:07:17,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:07:17,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:07:17,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:07:17,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:07:17,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:07:17,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:07:17,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:07:17,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:07:17,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:07:17,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:07:17,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:07:17,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:07:17,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:07:17,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:07:17,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:07:17,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:07:17,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:07:17,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:07:17,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:07:17,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:07:17,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:07:17,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:07:17,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:07:17,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:07:17,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:07:17,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:07:17,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:07:17,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:07:17,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:07:17,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:07:17,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:07:17,375 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 21:07:17,415 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:07:17,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:07:17,415 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:07:17,416 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:07:17,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:07:17,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:07:17,418 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:07:17,418 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 21:07:17,418 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 21:07:17,419 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 21:07:17,420 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 21:07:17,420 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 21:07:17,420 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 21:07:17,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:07:17,421 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:07:17,421 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:07:17,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:07:17,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:07:17,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:07:17,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 21:07:17,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 21:07:17,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 21:07:17,423 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:07:17,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:07:17,424 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 21:07:17,424 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:07:17,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 21:07:17,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:07:17,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:07:17,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:07:17,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:07:17,427 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 21:07:17,428 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00a8f866e26c2e2f6efeb25e7ec6952d97cdca88cd5ba8f7afdfeeef8678b95c [2022-11-02 21:07:17,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:07:17,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:07:17,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:07:17,790 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:07:17,791 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:07:17,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2022-11-02 21:07:17,877 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/data/b3365ea7d/53a55e10b8f146319edfbce3ce7de011/FLAGbfad1b5c2 [2022-11-02 21:07:18,527 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:07:18,528 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2022-11-02 21:07:18,553 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/data/b3365ea7d/53a55e10b8f146319edfbce3ce7de011/FLAGbfad1b5c2 [2022-11-02 21:07:18,785 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/data/b3365ea7d/53a55e10b8f146319edfbce3ce7de011 [2022-11-02 21:07:18,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:07:18,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:07:18,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:07:18,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:07:18,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:07:18,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:07:18" (1/1) ... [2022-11-02 21:07:18,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb8b6a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:18, skipping insertion in model container [2022-11-02 21:07:18,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:07:18" (1/1) ... [2022-11-02 21:07:18,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:07:18,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:07:19,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:07:19,376 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:07:19,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:07:19,459 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:07:19,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:19 WrapperNode [2022-11-02 21:07:19,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:07:19,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:07:19,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:07:19,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:07:19,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:19" (1/1) ... [2022-11-02 21:07:19,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:19" (1/1) ... [2022-11-02 21:07:19,510 INFO L138 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2022-11-02 21:07:19,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:07:19,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:07:19,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:07:19,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:07:19,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:19" (1/1) ... [2022-11-02 21:07:19,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:19" (1/1) ... [2022-11-02 21:07:19,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:19" (1/1) ... [2022-11-02 21:07:19,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:19" (1/1) ... [2022-11-02 21:07:19,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:19" (1/1) ... [2022-11-02 21:07:19,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:19" (1/1) ... [2022-11-02 21:07:19,555 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:19" (1/1) ... [2022-11-02 21:07:19,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:19" (1/1) ... [2022-11-02 21:07:19,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:07:19,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:07:19,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:07:19,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:07:19,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:19" (1/1) ... [2022-11-02 21:07:19,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:19,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:19,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:19,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 21:07:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:07:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:07:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:07:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:07:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:07:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:07:19,760 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:07:19,764 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:07:19,978 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:07:19,984 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:07:19,984 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 21:07:19,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:07:19 BoogieIcfgContainer [2022-11-02 21:07:19,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:07:19,988 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 21:07:19,988 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 21:07:19,993 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 21:07:19,994 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:07:19,994 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 09:07:18" (1/3) ... [2022-11-02 21:07:19,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5831d752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:07:19, skipping insertion in model container [2022-11-02 21:07:19,995 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:07:19,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:19" (2/3) ... [2022-11-02 21:07:19,996 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5831d752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:07:19, skipping insertion in model container [2022-11-02 21:07:19,996 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:07:19,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:07:19" (3/3) ... [2022-11-02 21:07:19,998 INFO L332 chiAutomizerObserver]: Analyzing ICFG array03-alloca-2.i [2022-11-02 21:07:20,132 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 21:07:20,132 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 21:07:20,132 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 21:07:20,132 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 21:07:20,133 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 21:07:20,133 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 21:07:20,133 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 21:07:20,133 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 21:07:20,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:20,190 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-11-02 21:07:20,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:07:20,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:07:20,197 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 21:07:20,197 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 21:07:20,197 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 21:07:20,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:20,202 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-11-02 21:07:20,202 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:07:20,202 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:07:20,203 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 21:07:20,203 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 21:07:20,213 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 9#L532true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 4#L532-2true call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 7#L537-3true [2022-11-02 21:07:20,213 INFO L750 eck$LassoCheckResult]: Loop: 7#L537-3true assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 16#L537-2true main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 7#L537-3true [2022-11-02 21:07:20,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:20,226 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-11-02 21:07:20,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:20,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063009690] [2022-11-02 21:07:20,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:20,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:20,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:20,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:20,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:20,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-11-02 21:07:20,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:20,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122887377] [2022-11-02 21:07:20,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:20,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:20,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:20,540 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:20,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:20,553 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-11-02 21:07:20,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:20,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960328834] [2022-11-02 21:07:20,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:20,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:20,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:20,602 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:21,019 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 21:07:21,020 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 21:07:21,020 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 21:07:21,020 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 21:07:21,020 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 21:07:21,020 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:21,020 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 21:07:21,020 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 21:07:21,021 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration1_Lasso [2022-11-02 21:07:21,021 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 21:07:21,021 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 21:07:21,042 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:21,053 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:21,058 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:21,062 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:21,066 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:21,069 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:21,266 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:21,270 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:21,275 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:21,714 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 21:07:21,718 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 21:07:21,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:21,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:21,724 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:21,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 21:07:21,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:21,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:21,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:21,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:21,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:21,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:21,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:21,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:21,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:21,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:21,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:21,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:21,802 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:21,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:21,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 21:07:21,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:21,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:21,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:21,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:21,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:21,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:21,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:21,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:21,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:21,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:21,885 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:21,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:21,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 21:07:21,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:21,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:21,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:21,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:21,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:21,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:21,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:21,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-02 21:07:21,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:21,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:21,982 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:21,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 21:07:21,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:21,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:21,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:21,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:21,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:22,008 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:22,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:22,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:22,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:22,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:22,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:22,063 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:22,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 21:07:22,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:22,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:22,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:22,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:22,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:22,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:22,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:22,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:22,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:22,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:22,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:22,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:22,145 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:22,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:22,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 21:07:22,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:22,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:22,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:22,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:22,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:22,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:22,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:22,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:22,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-02 21:07:22,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:22,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:22,237 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:22,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:22,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 21:07:22,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:22,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:22,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:22,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:22,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:22,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:22,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:22,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:22,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:22,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:22,319 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:22,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:22,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 21:07:22,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:22,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:22,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:22,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:22,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:22,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:22,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:22,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-02 21:07:22,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:22,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:22,400 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:22,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:22,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 21:07:22,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:22,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:22,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:22,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:22,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:22,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:22,467 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 21:07:22,519 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-02 21:07:22,519 INFO L444 ModelExtractionUtils]: 5 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. [2022-11-02 21:07:22,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:22,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:22,524 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:22,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 21:07:22,555 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 21:07:22,578 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 21:07:22,578 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 21:07:22,579 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~array_size~0#1, ULTIMATE.start_main_~k~0#1) = 1*ULTIMATE.start_main_~array_size~0#1 - 1*ULTIMATE.start_main_~k~0#1 Supporting invariants [] [2022-11-02 21:07:22,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:22,636 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-11-02 21:07:22,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:22,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:07:22,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:07:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:22,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 21:07:22,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:07:22,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:22,779 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-02 21:07:22,782 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:22,850 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 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). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 65 transitions. Complement of second has 7 states. [2022-11-02 21:07:22,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 21:07:22,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:22,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2022-11-02 21:07:22,862 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-02 21:07:22,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:07:22,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-02 21:07:22,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:07:22,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-02 21:07:22,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:07:22,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 65 transitions. [2022-11-02 21:07:22,878 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-02 21:07:22,884 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 15 states and 21 transitions. [2022-11-02 21:07:22,886 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-02 21:07:22,886 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-02 21:07:22,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2022-11-02 21:07:22,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:22,889 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2022-11-02 21:07:22,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2022-11-02 21:07:22,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-02 21:07:22,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:22,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2022-11-02 21:07:22,913 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2022-11-02 21:07:22,913 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2022-11-02 21:07:22,913 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 21:07:22,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2022-11-02 21:07:22,914 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-02 21:07:22,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:07:22,914 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:07:22,914 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-02 21:07:22,914 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-02 21:07:22,915 INFO L748 eck$LassoCheckResult]: Stem: 118#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 119#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 127#L532 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 120#L532-2 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 121#L537-3 assume !(main_~k~0#1 < main_~array_size~0#1); 122#L537-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem3#1, test_fun_#t~mem4#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~post8#1, test_fun_#t~mem5#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;havoc test_fun_~res~0#1;test_fun_~i~0#1 := 0; 123#L516-3 [2022-11-02 21:07:22,915 INFO L750 eck$LassoCheckResult]: Loop: 123#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 124#L518 assume 0 == test_fun_#t~mem3#1;havoc test_fun_#t~mem3#1;test_fun_~res~0#1 := 1; 129#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 132#L523 assume !(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1; 130#L523-3 call write~int(test_fun_~res~0#1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 131#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 123#L516-3 [2022-11-02 21:07:22,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:22,916 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2022-11-02 21:07:22,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:22,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062124729] [2022-11-02 21:07:22,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:22,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:23,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:23,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:23,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062124729] [2022-11-02 21:07:23,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062124729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:23,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:23,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:07:23,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55624893] [2022-11-02 21:07:23,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:23,087 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 21:07:23,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:23,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1807826313, now seen corresponding path program 1 times [2022-11-02 21:07:23,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:23,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178197939] [2022-11-02 21:07:23,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:23,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:23,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:23,167 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:23,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:23,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:23,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:07:23,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:07:23,303 INFO L87 Difference]: Start difference. First operand 15 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:23,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:23,340 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2022-11-02 21:07:23,340 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2022-11-02 21:07:23,344 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-02 21:07:23,346 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 21 transitions. [2022-11-02 21:07:23,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-02 21:07:23,346 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-02 21:07:23,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2022-11-02 21:07:23,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:23,347 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-11-02 21:07:23,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2022-11-02 21:07:23,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2022-11-02 21:07:23,348 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) [2022-11-02 21:07:23,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2022-11-02 21:07:23,349 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-02 21:07:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 21:07:23,351 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-02 21:07:23,351 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 21:07:23,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2022-11-02 21:07:23,354 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-02 21:07:23,354 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:07:23,354 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:07:23,356 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:23,356 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-02 21:07:23,357 INFO L748 eck$LassoCheckResult]: Stem: 156#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 157#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 165#L532 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 158#L532-2 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 159#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 163#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 164#L537-3 assume !(main_~k~0#1 < main_~array_size~0#1); 160#L537-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem3#1, test_fun_#t~mem4#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~post8#1, test_fun_#t~mem5#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;havoc test_fun_~res~0#1;test_fun_~i~0#1 := 0; 161#L516-3 [2022-11-02 21:07:23,357 INFO L750 eck$LassoCheckResult]: Loop: 161#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 162#L518 assume 0 == test_fun_#t~mem3#1;havoc test_fun_#t~mem3#1;test_fun_~res~0#1 := 1; 166#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 170#L523 assume !(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1; 168#L523-3 call write~int(test_fun_~res~0#1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 169#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 161#L516-3 [2022-11-02 21:07:23,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:23,357 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2022-11-02 21:07:23,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:23,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924946315] [2022-11-02 21:07:23,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:23,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:23,379 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:23,396 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:23,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:23,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1807826313, now seen corresponding path program 2 times [2022-11-02 21:07:23,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:23,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444888445] [2022-11-02 21:07:23,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:23,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:23,406 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:23,414 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:23,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:23,415 INFO L85 PathProgramCache]: Analyzing trace with hash -260572169, now seen corresponding path program 1 times [2022-11-02 21:07:23,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:23,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50764464] [2022-11-02 21:07:23,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:23,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:23,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:23,459 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:23,971 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 21:07:23,971 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 21:07:23,971 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 21:07:23,971 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 21:07:23,971 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 21:07:23,971 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:23,971 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 21:07:23,972 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 21:07:23,972 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration3_Lasso [2022-11-02 21:07:23,972 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 21:07:23,972 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 21:07:23,976 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:23,980 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:23,984 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:23,987 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:23,991 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:23,994 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:23,997 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:24,002 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:24,005 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:24,009 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:24,013 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:24,017 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:24,425 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:24,427 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:24,430 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:24,433 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:24,437 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:24,911 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 21:07:24,911 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 21:07:24,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:24,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:24,919 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:24,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:24,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:24,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:24,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:24,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:24,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:24,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:24,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:24,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 21:07:24,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:24,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:24,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:24,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:24,991 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:24,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:25,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:25,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:25,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:25,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:25,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-02 21:07:25,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:25,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:25,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:25,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:25,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:25,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:25,067 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:25,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-02 21:07:25,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:25,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:25,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:25,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:25,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:25,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:25,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:25,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:25,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:25,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-11-02 21:07:25,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:25,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:25,120 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:25,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-02 21:07:25,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:25,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:25,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:25,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:25,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:25,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:25,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:25,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:25,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:25,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:25,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:25,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:25,160 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:25,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-02 21:07:25,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:25,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:25,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:25,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:25,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:25,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:25,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:25,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:25,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:25,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:25,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:25,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:25,201 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:25,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-02 21:07:25,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:25,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:25,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:25,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:25,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:25,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:25,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:25,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:25,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:25,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:25,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:25,270 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:25,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-02 21:07:25,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:25,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:25,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:25,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:25,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:25,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:25,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:25,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:25,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:25,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:25,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:25,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:25,313 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:25,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-02 21:07:25,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:25,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:25,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:25,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:25,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:25,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:25,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:25,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:25,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:25,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:25,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:25,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:25,355 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:25,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-02 21:07:25,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:25,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:25,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:25,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:25,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:25,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:25,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:25,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:25,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:25,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:25,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:25,415 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:25,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-02 21:07:25,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:25,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:25,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:25,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:25,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:25,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:25,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:25,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:25,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:25,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:25,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:25,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:25,470 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:25,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-02 21:07:25,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:25,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:25,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:25,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:25,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:25,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:25,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:25,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:25,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:25,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:25,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:25,515 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:25,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-02 21:07:25,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:25,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:25,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:25,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:25,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:25,543 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:25,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:25,579 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 21:07:25,651 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-11-02 21:07:25,651 INFO L444 ModelExtractionUtils]: 19 out of 40 variables were initially zero. Simplification set additionally 18 variables to zero. [2022-11-02 21:07:25,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:25,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:25,655 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:25,660 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 21:07:25,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-02 21:07:25,675 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 21:07:25,675 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 21:07:25,675 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~N#1, ULTIMATE.start_test_fun_~i~0#1) = 1*ULTIMATE.start_test_fun_~N#1 - 1*ULTIMATE.start_test_fun_~i~0#1 Supporting invariants [] [2022-11-02 21:07:25,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-11-02 21:07:25,723 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-11-02 21:07:25,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:25,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:07:25,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:07:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:25,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 21:07:25,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:07:25,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:25,877 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-02 21:07:25,877 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:25,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:25,899 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 31 transitions. Complement of second has 4 states. [2022-11-02 21:07:25,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 21:07:25,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:25,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2022-11-02 21:07:25,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 8 letters. Loop has 6 letters. [2022-11-02 21:07:25,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:07:25,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 14 letters. Loop has 6 letters. [2022-11-02 21:07:25,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:07:25,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 8 letters. Loop has 12 letters. [2022-11-02 21:07:25,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:07:25,902 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 31 transitions. [2022-11-02 21:07:25,903 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 21:07:25,903 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 20 states and 29 transitions. [2022-11-02 21:07:25,903 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-02 21:07:25,904 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-02 21:07:25,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2022-11-02 21:07:25,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:07:25,904 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2022-11-02 21:07:25,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2022-11-02 21:07:25,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-02 21:07:25,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:25,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2022-11-02 21:07:25,906 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2022-11-02 21:07:25,906 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2022-11-02 21:07:25,906 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-02 21:07:25,906 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2022-11-02 21:07:25,915 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 21:07:25,915 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:07:25,915 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:07:25,915 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:25,916 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 21:07:25,916 INFO L748 eck$LassoCheckResult]: Stem: 274#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 275#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 285#L532 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 276#L532-2 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 277#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 283#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 284#L537-3 assume !(main_~k~0#1 < main_~array_size~0#1); 282#L537-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem3#1, test_fun_#t~mem4#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~post8#1, test_fun_#t~mem5#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;havoc test_fun_~res~0#1;test_fun_~i~0#1 := 0; 278#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 280#L518 assume 0 == test_fun_#t~mem3#1;havoc test_fun_#t~mem3#1;test_fun_~res~0#1 := 1; 286#L523-2 [2022-11-02 21:07:25,916 INFO L750 eck$LassoCheckResult]: Loop: 286#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 292#L523 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1;call test_fun_#t~mem6#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_~res~0#1 := test_fun_~res~0#1 * test_fun_#t~mem6#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post8#1 := test_fun_#t~mem7#1;call write~int(test_fun_#t~post8#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem7#1;havoc test_fun_#t~post8#1; 286#L523-2 [2022-11-02 21:07:25,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:25,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1899811566, now seen corresponding path program 1 times [2022-11-02 21:07:25,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:25,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678408998] [2022-11-02 21:07:25,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:25,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:25,956 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:25,982 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:25,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:25,985 INFO L85 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 1 times [2022-11-02 21:07:25,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:25,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207772088] [2022-11-02 21:07:25,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:25,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:25,997 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:07:26,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [771635026] [2022-11-02 21:07:26,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:26,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:07:26,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:26,003 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:07:26,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-11-02 21:07:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:26,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:26,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:26,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:26,058 INFO L85 PathProgramCache]: Analyzing trace with hash -357812649, now seen corresponding path program 1 times [2022-11-02 21:07:26,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:26,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197605864] [2022-11-02 21:07:26,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:26,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:26,085 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:07:26,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [407504302] [2022-11-02 21:07:26,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:26,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:07:26,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:26,087 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:07:26,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-11-02 21:07:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:26,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 21:07:26,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:07:26,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-11-02 21:07:26,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:07:26,209 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:07:26,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:26,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197605864] [2022-11-02 21:07:26,210 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 21:07:26,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407504302] [2022-11-02 21:07:26,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407504302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:26,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:26,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:07:26,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787647440] [2022-11-02 21:07:26,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:26,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:26,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:07:26,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:07:26,276 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:26,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:26,327 INFO L93 Difference]: Finished difference Result 25 states and 33 transitions. [2022-11-02 21:07:26,328 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2022-11-02 21:07:26,328 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 21:07:26,329 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 23 states and 31 transitions. [2022-11-02 21:07:26,329 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-02 21:07:26,329 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-02 21:07:26,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 31 transitions. [2022-11-02 21:07:26,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:07:26,330 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 31 transitions. [2022-11-02 21:07:26,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 31 transitions. [2022-11-02 21:07:26,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-02 21:07:26,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 21 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) [2022-11-02 21:07:26,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2022-11-02 21:07:26,332 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 30 transitions. [2022-11-02 21:07:26,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:07:26,334 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2022-11-02 21:07:26,334 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-02 21:07:26,334 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2022-11-02 21:07:26,334 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 21:07:26,334 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:07:26,335 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:07:26,335 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:26,335 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 21:07:26,335 INFO L748 eck$LassoCheckResult]: Stem: 364#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 365#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 375#L532 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 366#L532-2 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 367#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 373#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 374#L537-3 assume !(main_~k~0#1 < main_~array_size~0#1); 372#L537-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem3#1, test_fun_#t~mem4#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~post8#1, test_fun_#t~mem5#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;havoc test_fun_~res~0#1;test_fun_~i~0#1 := 0; 368#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 370#L518 assume !(0 == test_fun_#t~mem3#1);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 376#L520 assume !(test_fun_#t~mem4#1 < 0);havoc test_fun_#t~mem4#1; 379#L523-2 [2022-11-02 21:07:26,336 INFO L750 eck$LassoCheckResult]: Loop: 379#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 383#L523 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1;call test_fun_#t~mem6#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_~res~0#1 := test_fun_~res~0#1 * test_fun_#t~mem6#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post8#1 := test_fun_#t~mem7#1;call write~int(test_fun_#t~post8#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem7#1;havoc test_fun_#t~post8#1; 379#L523-2 [2022-11-02 21:07:26,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:26,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1235383701, now seen corresponding path program 1 times [2022-11-02 21:07:26,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:26,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10417056] [2022-11-02 21:07:26,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:26,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:26,353 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:26,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:26,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:26,373 INFO L85 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 2 times [2022-11-02 21:07:26,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:26,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339115404] [2022-11-02 21:07:26,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:26,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:26,388 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:07:26,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [397948073] [2022-11-02 21:07:26,389 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 21:07:26,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:07:26,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:26,416 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:07:26,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-11-02 21:07:26,478 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-02 21:07:26,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-02 21:07:26,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:26,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:26,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:26,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1792764442, now seen corresponding path program 1 times [2022-11-02 21:07:26,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:26,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43455322] [2022-11-02 21:07:26,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:26,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:26,503 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:07:26,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [937572206] [2022-11-02 21:07:26,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:26,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:07:26,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:26,506 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:07:26,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-11-02 21:07:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:26,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:26,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:27,190 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 21:07:27,190 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 21:07:27,190 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 21:07:27,190 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 21:07:27,190 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 21:07:27,190 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:27,190 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 21:07:27,191 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 21:07:27,191 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration5_Lasso [2022-11-02 21:07:27,191 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 21:07:27,191 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 21:07:27,218 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:27,222 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:27,225 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:27,227 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:27,230 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:27,233 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:27,236 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:27,577 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:27,580 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:27,583 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:27,586 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:27,589 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:27,591 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:27,594 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:27,597 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:27,600 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:27,602 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:28,088 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 21:07:28,088 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 21:07:28,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:28,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:28,094 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:28,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:28,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-02 21:07:28,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:28,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:28,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:28,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:28,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:28,113 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:28,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:28,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:28,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:28,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:28,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:28,152 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:28,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-02 21:07:28,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:28,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:28,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:28,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:28,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:28,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:28,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:28,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:28,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-02 21:07:28,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:28,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:28,223 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:28,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-02 21:07:28,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:28,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:28,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:28,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:28,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:28,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:28,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:28,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:28,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:28,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-02 21:07:28,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:28,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:28,267 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:28,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:28,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-02 21:07:28,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:28,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:28,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:28,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:28,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:28,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:28,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:28,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:28,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:28,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:28,348 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:28,351 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 [2022-11-02 21:07:28,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-02 21:07:28,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:28,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:28,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:28,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:28,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:28,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:28,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:28,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:28,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:28,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:28,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:28,425 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:28,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:28,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-02 21:07:28,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:28,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:28,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:28,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:28,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:28,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:28,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:28,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-02 21:07:28,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:28,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:28,498 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:28,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-02 21:07:28,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:28,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:28,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:28,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:28,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:28,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:28,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:28,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:28,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:28,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:28,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:28,578 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:28,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:28,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-02 21:07:28,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:28,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:28,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:28,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:28,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:28,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:28,623 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 21:07:28,639 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-02 21:07:28,640 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2022-11-02 21:07:28,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:28,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:28,641 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:28,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-02 21:07:28,642 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 21:07:28,654 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 21:07:28,654 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 21:07:28,654 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0#1.base) (+ (* ULTIMATE.start_main_~k~0#1 4) (- 4) ULTIMATE.start_main_~numbers~0#1.offset))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0#1.base) (+ (* ULTIMATE.start_main_~k~0#1 4) (- 4) ULTIMATE.start_main_~numbers~0#1.offset))_1 Supporting invariants [] [2022-11-02 21:07:28,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:28,718 INFO L156 tatePredicateManager]: 3 out of 5 supporting invariants were superfluous and have been removed [2022-11-02 21:07:28,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:28,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-02 21:07:28,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:07:28,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:28,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-02 21:07:28,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:07:29,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:29,011 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-02 21:07:29,011 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 30 transitions. cyclomatic complexity: 11 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:29,193 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 30 transitions. cyclomatic complexity: 11. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 77 states and 103 transitions. Complement of second has 11 states. [2022-11-02 21:07:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-02 21:07:29,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:29,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 48 transitions. [2022-11-02 21:07:29,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 48 transitions. Stem has 11 letters. Loop has 2 letters. [2022-11-02 21:07:29,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:07:29,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 48 transitions. Stem has 13 letters. Loop has 2 letters. [2022-11-02 21:07:29,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:07:29,197 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 48 transitions. Stem has 11 letters. Loop has 4 letters. [2022-11-02 21:07:29,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:07:29,197 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 103 transitions. [2022-11-02 21:07:29,198 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-02 21:07:29,199 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 72 states and 96 transitions. [2022-11-02 21:07:29,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2022-11-02 21:07:29,200 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2022-11-02 21:07:29,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 96 transitions. [2022-11-02 21:07:29,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:07:29,200 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 96 transitions. [2022-11-02 21:07:29,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 96 transitions. [2022-11-02 21:07:29,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 32. [2022-11-02 21:07:29,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.40625) internal successors, (45), 31 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:29,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 45 transitions. [2022-11-02 21:07:29,216 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 45 transitions. [2022-11-02 21:07:29,216 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 45 transitions. [2022-11-02 21:07:29,217 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-02 21:07:29,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 45 transitions. [2022-11-02 21:07:29,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 21:07:29,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:07:29,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:07:29,218 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:29,218 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 21:07:29,221 INFO L748 eck$LassoCheckResult]: Stem: 563#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 564#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 576#L532 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 565#L532-2 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 566#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 573#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 574#L537-3 assume !(main_~k~0#1 < main_~array_size~0#1); 571#L537-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem3#1, test_fun_#t~mem4#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~post8#1, test_fun_#t~mem5#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;havoc test_fun_~res~0#1;test_fun_~i~0#1 := 0; 572#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 589#L518 assume !(0 == test_fun_#t~mem3#1);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 580#L520 assume test_fun_#t~mem4#1 < 0;havoc test_fun_#t~mem4#1;test_fun_~res~0#1 := 0; 581#L523-2 [2022-11-02 21:07:29,221 INFO L750 eck$LassoCheckResult]: Loop: 581#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 585#L523 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1;call test_fun_#t~mem6#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_~res~0#1 := test_fun_~res~0#1 * test_fun_#t~mem6#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post8#1 := test_fun_#t~mem7#1;call write~int(test_fun_#t~post8#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem7#1;havoc test_fun_#t~post8#1; 581#L523-2 [2022-11-02 21:07:29,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:29,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1235383699, now seen corresponding path program 1 times [2022-11-02 21:07:29,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:29,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887462926] [2022-11-02 21:07:29,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:29,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:29,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:29,280 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:29,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:29,281 INFO L85 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 3 times [2022-11-02 21:07:29,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:29,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467855458] [2022-11-02 21:07:29,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:29,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:29,285 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:07:29,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117641336] [2022-11-02 21:07:29,293 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-02 21:07:29,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:07:29,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:29,303 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:07:29,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-11-02 21:07:29,352 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-02 21:07:29,352 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-02 21:07:29,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:29,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:29,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:29,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1792762520, now seen corresponding path program 1 times [2022-11-02 21:07:29,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:29,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162314124] [2022-11-02 21:07:29,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:29,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:29,372 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:07:29,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [250489254] [2022-11-02 21:07:29,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:29,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:07:29,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:29,374 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:07:29,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-11-02 21:07:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:29,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 21:07:29,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:07:29,463 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2022-11-02 21:07:29,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:07:29,472 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:07:29,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:29,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162314124] [2022-11-02 21:07:29,472 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 21:07:29,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250489254] [2022-11-02 21:07:29,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250489254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:29,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:29,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:07:29,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215276718] [2022-11-02 21:07:29,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:29,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:29,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:07:29,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:07:29,534 INFO L87 Difference]: Start difference. First operand 32 states and 45 transitions. cyclomatic complexity: 17 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:29,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:29,585 INFO L93 Difference]: Finished difference Result 37 states and 49 transitions. [2022-11-02 21:07:29,586 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 49 transitions. [2022-11-02 21:07:29,586 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 21:07:29,587 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 33 states and 44 transitions. [2022-11-02 21:07:29,587 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-02 21:07:29,587 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-02 21:07:29,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 44 transitions. [2022-11-02 21:07:29,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:07:29,588 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 44 transitions. [2022-11-02 21:07:29,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 44 transitions. [2022-11-02 21:07:29,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2022-11-02 21:07:29,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 29 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:29,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions. [2022-11-02 21:07:29,590 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 41 transitions. [2022-11-02 21:07:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:07:29,592 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2022-11-02 21:07:29,592 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-02 21:07:29,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 41 transitions. [2022-11-02 21:07:29,593 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 21:07:29,593 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:07:29,593 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:07:29,594 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:29,594 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 21:07:29,594 INFO L748 eck$LassoCheckResult]: Stem: 680#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 681#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 693#L532 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 682#L532-2 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 683#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 690#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 691#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 692#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 706#L537-3 assume !(main_~k~0#1 < main_~array_size~0#1); 708#L537-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem3#1, test_fun_#t~mem4#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~post8#1, test_fun_#t~mem5#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;havoc test_fun_~res~0#1;test_fun_~i~0#1 := 0; 707#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 689#L518 assume !(0 == test_fun_#t~mem3#1);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 694#L520 assume !(test_fun_#t~mem4#1 < 0);havoc test_fun_#t~mem4#1; 697#L523-2 [2022-11-02 21:07:29,594 INFO L750 eck$LassoCheckResult]: Loop: 697#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 702#L523 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1;call test_fun_#t~mem6#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_~res~0#1 := test_fun_~res~0#1 * test_fun_#t~mem6#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post8#1 := test_fun_#t~mem7#1;call write~int(test_fun_#t~post8#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem7#1;havoc test_fun_#t~post8#1; 697#L523-2 [2022-11-02 21:07:29,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:29,595 INFO L85 PathProgramCache]: Analyzing trace with hash -856885645, now seen corresponding path program 2 times [2022-11-02 21:07:29,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:29,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517993680] [2022-11-02 21:07:29,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:29,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:29,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:29,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:29,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:29,624 INFO L85 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 4 times [2022-11-02 21:07:29,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:29,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724482772] [2022-11-02 21:07:29,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:29,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:29,628 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:07:29,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1006674280] [2022-11-02 21:07:29,629 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-02 21:07:29,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:07:29,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:29,635 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:07:29,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-11-02 21:07:29,682 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-02 21:07:29,682 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-02 21:07:29,682 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:29,689 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:29,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:29,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1166617464, now seen corresponding path program 2 times [2022-11-02 21:07:29,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:29,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407149516] [2022-11-02 21:07:29,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:29,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:29,704 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:07:29,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2038786891] [2022-11-02 21:07:29,705 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 21:07:29,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:07:29,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:29,711 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:07:29,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-11-02 21:07:29,777 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 21:07:29,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-02 21:07:29,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:29,800 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:30,471 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 21:07:30,471 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 21:07:30,471 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 21:07:30,471 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 21:07:30,472 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 21:07:30,472 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:30,472 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 21:07:30,472 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 21:07:30,472 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration7_Lasso [2022-11-02 21:07:30,472 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 21:07:30,473 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 21:07:30,477 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:30,480 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:30,897 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:30,900 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:30,902 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:30,905 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:30,907 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:30,909 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:30,912 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:30,916 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:30,920 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:30,922 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:30,925 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:30,927 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:30,930 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:30,932 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:30,935 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:31,405 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 21:07:31,406 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 21:07:31,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:31,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:31,412 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:31,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-02 21:07:31,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:31,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:31,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:31,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:31,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:31,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:31,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:31,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:31,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:31,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-02 21:07:31,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:31,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:31,449 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:31,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-02 21:07:31,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:31,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:31,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:31,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:31,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:31,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:31,464 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:31,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:31,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:31,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:31,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:31,524 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:31,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-02 21:07:31,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:31,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:31,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:31,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:31,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:31,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:31,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:31,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:31,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-02 21:07:31,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:31,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:31,580 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:31,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-02 21:07:31,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:31,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:31,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:31,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:31,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:31,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:31,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:31,618 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 21:07:31,635 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-02 21:07:31,635 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2022-11-02 21:07:31,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:31,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:31,640 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:31,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-02 21:07:31,642 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 21:07:31,660 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 21:07:31,660 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 21:07:31,660 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a#1.base) (+ ULTIMATE.start_test_fun_~a#1.offset (* ULTIMATE.start_test_fun_~i~0#1 4)))_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a#1.base) (+ ULTIMATE.start_test_fun_~a#1.offset (* ULTIMATE.start_test_fun_~i~0#1 4)))_3 Supporting invariants [] [2022-11-02 21:07:31,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-02 21:07:31,713 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2022-11-02 21:07:31,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:31,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:07:31,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:07:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:31,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 21:07:31,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:07:31,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:31,813 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-02 21:07:31,814 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 41 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:31,841 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 41 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 51 states and 68 transitions. Complement of second has 7 states. [2022-11-02 21:07:31,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 21:07:31,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:31,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2022-11-02 21:07:31,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 13 letters. Loop has 2 letters. [2022-11-02 21:07:31,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:07:31,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 15 letters. Loop has 2 letters. [2022-11-02 21:07:31,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:07:31,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 13 letters. Loop has 4 letters. [2022-11-02 21:07:31,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:07:31,846 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 68 transitions. [2022-11-02 21:07:31,847 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 21:07:31,847 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 42 states and 55 transitions. [2022-11-02 21:07:31,848 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-02 21:07:31,848 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-02 21:07:31,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 55 transitions. [2022-11-02 21:07:31,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:07:31,848 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 55 transitions. [2022-11-02 21:07:31,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 55 transitions. [2022-11-02 21:07:31,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 31. [2022-11-02 21:07:31,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 30 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:31,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2022-11-02 21:07:31,851 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 40 transitions. [2022-11-02 21:07:31,851 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2022-11-02 21:07:31,851 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-02 21:07:31,851 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2022-11-02 21:07:31,852 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 21:07:31,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:07:31,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:07:31,852 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:31,853 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 21:07:31,853 INFO L748 eck$LassoCheckResult]: Stem: 861#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 862#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 871#L532 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 863#L532-2 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 864#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 869#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 870#L537-3 assume !(main_~k~0#1 < main_~array_size~0#1); 868#L537-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem3#1, test_fun_#t~mem4#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~post8#1, test_fun_#t~mem5#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;havoc test_fun_~res~0#1;test_fun_~i~0#1 := 0; 865#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 866#L518 assume !(0 == test_fun_#t~mem3#1);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 890#L520 assume !(test_fun_#t~mem4#1 < 0);havoc test_fun_#t~mem4#1; 883#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 884#L523 assume !(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1; 879#L523-3 call write~int(test_fun_~res~0#1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 880#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 885#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 872#L518 assume !(0 == test_fun_#t~mem3#1);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 873#L520 assume !(test_fun_#t~mem4#1 < 0);havoc test_fun_#t~mem4#1; 877#L523-2 [2022-11-02 21:07:31,853 INFO L750 eck$LassoCheckResult]: Loop: 877#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 881#L523 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1;call test_fun_#t~mem6#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_~res~0#1 := test_fun_~res~0#1 * test_fun_#t~mem6#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post8#1 := test_fun_#t~mem7#1;call write~int(test_fun_#t~post8#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem7#1;havoc test_fun_#t~post8#1; 877#L523-2 [2022-11-02 21:07:31,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:31,853 INFO L85 PathProgramCache]: Analyzing trace with hash 869045162, now seen corresponding path program 1 times [2022-11-02 21:07:31,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:31,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194665179] [2022-11-02 21:07:31,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:31,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:32,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:32,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:32,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194665179] [2022-11-02 21:07:32,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194665179] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:07:32,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272226810] [2022-11-02 21:07:32,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:32,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:07:32,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:32,068 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:07:32,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2022-11-02 21:07:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:32,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 21:07:32,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:07:32,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:32,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:07:32,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:32,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272226810] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:07:32,300 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:07:32,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2022-11-02 21:07:32,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136648898] [2022-11-02 21:07:32,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:07:32,302 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 21:07:32,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:32,302 INFO L85 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 5 times [2022-11-02 21:07:32,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:32,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085295977] [2022-11-02 21:07:32,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:32,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:32,307 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:07:32,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1683646327] [2022-11-02 21:07:32,307 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-02 21:07:32,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:07:32,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:32,311 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:07:32,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2022-11-02 21:07:32,369 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-02 21:07:32,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-02 21:07:32,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:32,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:32,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:32,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-02 21:07:32,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-02 21:07:32,433 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. cyclomatic complexity: 14 Second operand has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:32,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:32,578 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2022-11-02 21:07:32,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 66 transitions. [2022-11-02 21:07:32,579 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 21:07:32,579 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 34 states and 42 transitions. [2022-11-02 21:07:32,579 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-02 21:07:32,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-02 21:07:32,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 42 transitions. [2022-11-02 21:07:32,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:07:32,580 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-11-02 21:07:32,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 42 transitions. [2022-11-02 21:07:32,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2022-11-02 21:07:32,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 32 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:32,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions. [2022-11-02 21:07:32,582 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33 states and 41 transitions. [2022-11-02 21:07:32,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 21:07:32,586 INFO L428 stractBuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2022-11-02 21:07:32,587 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-02 21:07:32,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 41 transitions. [2022-11-02 21:07:32,588 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 21:07:32,589 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:07:32,590 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:07:32,590 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:32,591 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 21:07:32,591 INFO L748 eck$LassoCheckResult]: Stem: 1072#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1073#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 1083#L532 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1074#L532-2 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 1075#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 1080#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1081#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 1082#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1099#L537-3 assume !(main_~k~0#1 < main_~array_size~0#1); 1076#L537-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem3#1, test_fun_#t~mem4#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~post8#1, test_fun_#t~mem5#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;havoc test_fun_~res~0#1;test_fun_~i~0#1 := 0; 1077#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1078#L518 assume !(0 == test_fun_#t~mem3#1);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1104#L520 assume !(test_fun_#t~mem4#1 < 0);havoc test_fun_#t~mem4#1; 1095#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1101#L523 assume !(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1; 1100#L523-3 call write~int(test_fun_~res~0#1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1098#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 1097#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1084#L518 assume !(0 == test_fun_#t~mem3#1);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1085#L520 assume !(test_fun_#t~mem4#1 < 0);havoc test_fun_#t~mem4#1; 1089#L523-2 [2022-11-02 21:07:32,592 INFO L750 eck$LassoCheckResult]: Loop: 1089#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1093#L523 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1;call test_fun_#t~mem6#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_~res~0#1 := test_fun_~res~0#1 * test_fun_#t~mem6#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post8#1 := test_fun_#t~mem7#1;call write~int(test_fun_#t~post8#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem7#1;havoc test_fun_#t~post8#1; 1089#L523-2 [2022-11-02 21:07:32,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:32,592 INFO L85 PathProgramCache]: Analyzing trace with hash -185139956, now seen corresponding path program 2 times [2022-11-02 21:07:32,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:32,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816850353] [2022-11-02 21:07:32,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:32,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:32,853 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-02 21:07:32,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:32,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816850353] [2022-11-02 21:07:32,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816850353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:32,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:32,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:07:32,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744984699] [2022-11-02 21:07:32,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:32,854 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 21:07:32,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:32,855 INFO L85 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 6 times [2022-11-02 21:07:32,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:32,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482603624] [2022-11-02 21:07:32,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:32,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:32,864 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:07:32,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1703651378] [2022-11-02 21:07:32,865 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-02 21:07:32,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:07:32,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:32,872 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:07:32,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2022-11-02 21:07:32,919 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-11-02 21:07:32,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-02 21:07:32,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:32,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:32,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:32,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:07:32,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:07:32,987 INFO L87 Difference]: Start difference. First operand 33 states and 41 transitions. cyclomatic complexity: 13 Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:33,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:33,051 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2022-11-02 21:07:33,051 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 48 transitions. [2022-11-02 21:07:33,052 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 21:07:33,058 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 39 states and 47 transitions. [2022-11-02 21:07:33,058 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-02 21:07:33,059 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-02 21:07:33,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 47 transitions. [2022-11-02 21:07:33,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:07:33,059 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 47 transitions. [2022-11-02 21:07:33,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 47 transitions. [2022-11-02 21:07:33,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2022-11-02 21:07:33,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 35 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:33,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions. [2022-11-02 21:07:33,071 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 44 transitions. [2022-11-02 21:07:33,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:07:33,072 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 44 transitions. [2022-11-02 21:07:33,073 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-02 21:07:33,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 44 transitions. [2022-11-02 21:07:33,073 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 21:07:33,074 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:07:33,074 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:07:33,074 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:33,075 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 21:07:33,075 INFO L748 eck$LassoCheckResult]: Stem: 1156#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1157#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet12#1, main_#t~post11#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 1167#L532 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1158#L532-2 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;main_~k~0#1 := 0; 1159#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 1164#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1165#L537-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet12#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet12#1; 1166#L537-2 main_#t~post11#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1182#L537-3 assume !(main_~k~0#1 < main_~array_size~0#1); 1160#L537-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#t~mem3#1, test_fun_#t~mem4#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~post8#1, test_fun_#t~mem5#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;havoc test_fun_~res~0#1;test_fun_~i~0#1 := 0; 1161#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1162#L518 assume !(0 == test_fun_#t~mem3#1);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1190#L520 assume !(test_fun_#t~mem4#1 < 0);havoc test_fun_#t~mem4#1; 1180#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1178#L523 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1;call test_fun_#t~mem6#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_~res~0#1 := test_fun_~res~0#1 * test_fun_#t~mem6#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post8#1 := test_fun_#t~mem7#1;call write~int(test_fun_#t~post8#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem7#1;havoc test_fun_#t~post8#1; 1179#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1185#L523 assume !(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1; 1184#L523-3 call write~int(test_fun_~res~0#1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1183#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 1181#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1);test_fun_~res~0#1 := 1;call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1168#L518 assume !(0 == test_fun_#t~mem3#1);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1169#L520 assume !(test_fun_#t~mem4#1 < 0);havoc test_fun_#t~mem4#1; 1173#L523-2 [2022-11-02 21:07:33,076 INFO L750 eck$LassoCheckResult]: Loop: 1173#L523-2 call test_fun_#t~mem5#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1177#L523 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1;call test_fun_#t~mem6#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_~res~0#1 := test_fun_~res~0#1 * test_fun_#t~mem6#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post8#1 := test_fun_#t~mem7#1;call write~int(test_fun_#t~post8#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem7#1;havoc test_fun_#t~post8#1; 1173#L523-2 [2022-11-02 21:07:33,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:33,076 INFO L85 PathProgramCache]: Analyzing trace with hash 2055932007, now seen corresponding path program 1 times [2022-11-02 21:07:33,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:33,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388968912] [2022-11-02 21:07:33,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:33,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:33,092 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:07:33,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [848421580] [2022-11-02 21:07:33,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:33,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:07:33,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:33,099 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:07:33,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2022-11-02 21:07:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:33,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:33,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-02 21:07:33,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:33,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:33,267 INFO L85 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 7 times [2022-11-02 21:07:33,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:33,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537708804] [2022-11-02 21:07:33,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:33,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:33,272 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:07:33,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1585656568] [2022-11-02 21:07:33,272 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-02 21:07:33,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:07:33,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:33,279 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:07:33,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2022-11-02 21:07:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:33,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:33,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:33,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:33,354 INFO L85 PathProgramCache]: Analyzing trace with hash 65704044, now seen corresponding path program 2 times [2022-11-02 21:07:33,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:33,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490866153] [2022-11-02 21:07:33,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:33,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:33,382 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:07:33,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1798573808] [2022-11-02 21:07:33,382 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 21:07:33,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:07:33,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:33,385 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:07:33,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2022-11-02 21:07:33,487 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 21:07:33,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-02 21:07:33,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:07:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:07:33,531 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:07:34,741 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 21:07:34,741 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 21:07:34,741 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 21:07:34,742 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 21:07:34,742 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 21:07:34,742 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:34,742 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 21:07:34,742 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 21:07:34,742 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration10_Lasso [2022-11-02 21:07:34,742 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 21:07:34,742 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 21:07:34,746 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:34,749 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:34,752 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:34,756 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:34,762 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:34,765 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:34,768 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:34,770 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:34,772 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:34,774 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:35,283 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:35,286 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:35,289 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:35,292 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:35,295 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:35,298 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:35,301 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:07:35,837 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 21:07:35,837 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 21:07:35,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:35,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:35,851 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:35,853 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 [2022-11-02 21:07:35,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-02 21:07:35,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:35,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:35,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:35,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:35,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:35,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:35,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:35,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:35,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:35,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:35,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:35,924 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:35,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:35,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-02 21:07:35,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:35,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:35,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:35,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:35,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:35,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:35,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:36,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:36,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:36,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:36,006 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:36,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:36,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-02 21:07:36,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:36,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:36,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:36,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:36,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:36,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:36,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:36,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:36,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:36,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:36,095 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:36,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:36,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-02 21:07:36,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:36,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:36,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:36,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:36,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:36,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:36,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:36,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:36,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:36,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:36,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:36,170 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:36,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:36,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-02 21:07:36,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:36,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:36,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:36,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:36,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:36,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:36,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:36,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:36,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:36,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:36,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:36,252 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:36,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:36,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-02 21:07:36,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:36,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:36,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:36,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:36,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:36,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:36,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:36,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:36,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-11-02 21:07:36,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:36,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:36,304 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:36,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-02 21:07:36,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:36,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:36,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:36,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:36,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:36,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:36,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:36,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:36,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:36,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:36,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:36,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:36,386 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:36,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:36,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-02 21:07:36,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:36,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:36,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:36,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:36,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:36,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:36,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:36,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:36,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-02 21:07:36,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:36,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:36,463 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:36,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-02 21:07:36,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:36,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:36,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:07:36,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:36,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:36,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:36,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:07:36,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:07:36,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:36,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-11-02 21:07:36,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:36,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:36,509 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:36,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-02 21:07:36,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:36,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:36,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:36,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:36,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:36,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:36,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:36,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:07:36,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-11-02 21:07:36,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:36,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:36,560 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:36,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-02 21:07:36,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:07:36,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:07:36,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:07:36,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:07:36,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:07:36,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:07:36,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:07:36,604 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 21:07:36,616 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-02 21:07:36,616 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2022-11-02 21:07:36,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:07:36,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:36,619 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:36,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-02 21:07:36,620 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 21:07:36,633 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 21:07:36,633 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 21:07:36,633 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a#1.base) (+ ULTIMATE.start_test_fun_~a#1.offset (* ULTIMATE.start_test_fun_~i~0#1 4)))_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a#1.base) (+ ULTIMATE.start_test_fun_~a#1.offset (* ULTIMATE.start_test_fun_~i~0#1 4)))_4 Supporting invariants [] [2022-11-02 21:07:36,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-11-02 21:07:36,689 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2022-11-02 21:07:36,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:36,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:07:36,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:07:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:36,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 21:07:36,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:07:36,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:36,833 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-02 21:07:36,833 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 44 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:36,865 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 44 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 50 transitions. Complement of second has 7 states. [2022-11-02 21:07:36,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 21:07:36,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:36,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2022-11-02 21:07:36,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 22 letters. Loop has 2 letters. [2022-11-02 21:07:36,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:07:36,870 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 21:07:36,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:36,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:07:36,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:07:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:37,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 21:07:37,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:07:37,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:37,035 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-02 21:07:37,035 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 44 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:37,058 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 44 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 50 transitions. Complement of second has 7 states. [2022-11-02 21:07:37,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 21:07:37,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:37,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2022-11-02 21:07:37,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 22 letters. Loop has 2 letters. [2022-11-02 21:07:37,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:07:37,061 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 21:07:37,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:37,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:37,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:07:37,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:07:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:37,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 21:07:37,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:07:37,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:37,179 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-02 21:07:37,179 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 44 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:37,203 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 44 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 56 transitions. Complement of second has 6 states. [2022-11-02 21:07:37,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 21:07:37,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:37,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2022-11-02 21:07:37,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 22 letters. Loop has 2 letters. [2022-11-02 21:07:37,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:07:37,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 24 letters. Loop has 2 letters. [2022-11-02 21:07:37,206 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:07:37,206 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 22 letters. Loop has 4 letters. [2022-11-02 21:07:37,206 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:07:37,209 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 56 transitions. [2022-11-02 21:07:37,210 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 21:07:37,210 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 0 states and 0 transitions. [2022-11-02 21:07:37,210 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 21:07:37,210 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 21:07:37,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 21:07:37,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:37,210 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:07:37,211 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:07:37,211 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:07:37,211 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-02 21:07:37,211 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 21:07:37,211 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 21:07:37,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 21:07:37,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 09:07:37 BoogieIcfgContainer [2022-11-02 21:07:37,219 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 21:07:37,220 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:07:37,220 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:07:37,220 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:07:37,221 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:07:19" (3/4) ... [2022-11-02 21:07:37,224 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 21:07:37,224 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:07:37,225 INFO L158 Benchmark]: Toolchain (without parser) took 18432.21ms. Allocated memory was 119.5MB in the beginning and 180.4MB in the end (delta: 60.8MB). Free memory was 82.8MB in the beginning and 129.2MB in the end (delta: -46.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 21:07:37,225 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 66.2MB in the beginning and 66.2MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:07:37,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 662.47ms. Allocated memory is still 119.5MB. Free memory was 82.6MB in the beginning and 87.4MB in the end (delta: -4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 21:07:37,226 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.76ms. Allocated memory is still 119.5MB. Free memory was 87.4MB in the beginning and 85.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:07:37,226 INFO L158 Benchmark]: Boogie Preprocessor took 39.17ms. Allocated memory is still 119.5MB. Free memory was 85.8MB in the beginning and 84.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:07:37,226 INFO L158 Benchmark]: RCFGBuilder took 426.95ms. Allocated memory is still 119.5MB. Free memory was 84.4MB in the beginning and 72.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 21:07:37,227 INFO L158 Benchmark]: BuchiAutomizer took 17231.60ms. Allocated memory was 119.5MB in the beginning and 180.4MB in the end (delta: 60.8MB). Free memory was 72.8MB in the beginning and 129.2MB in the end (delta: -56.4MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2022-11-02 21:07:37,227 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 180.4MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:07:37,229 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 66.2MB in the beginning and 66.2MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 662.47ms. Allocated memory is still 119.5MB. Free memory was 82.6MB in the beginning and 87.4MB in the end (delta: -4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.76ms. Allocated memory is still 119.5MB. Free memory was 87.4MB in the beginning and 85.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.17ms. Allocated memory is still 119.5MB. Free memory was 85.8MB in the beginning and 84.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 426.95ms. Allocated memory is still 119.5MB. Free memory was 84.4MB in the beginning and 72.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 17231.60ms. Allocated memory was 119.5MB in the beginning and 180.4MB in the end (delta: 60.8MB). Free memory was 72.8MB in the beginning and 129.2MB in the end (delta: -56.4MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 180.4MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (5 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function array_size + -1 * k and consists of 5 locations. One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[numbers][k * 4 + -4 + numbers] and consists of 8 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[a][a + i * 4] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[a][a + i * 4] and consists of 4 locations. 5 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 17.1s and 11 iterations. TraceHistogramMax:2. Analysis of lassos took 14.9s. Construction of modules took 0.3s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 7. Automata minimization 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 60 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 204 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 198 mSDsluCounter, 405 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 227 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 312 IncrementalHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 178 mSDtfsCounter, 312 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU3 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital202 mio100 ax110 hnf100 lsp87 ukn79 mio100 lsp55 div161 bol100 ite100 ukn100 eq160 hnf93 smp71 dnf100 smp100 tf100 neg98 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 1 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! [2022-11-02 21:07:37,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2022-11-02 21:07:37,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2022-11-02 21:07:37,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2022-11-02 21:07:37,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2022-11-02 21:07:38,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2022-11-02 21:07:38,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:38,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2022-11-02 21:07:38,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2022-11-02 21:07:38,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2022-11-02 21:07:39,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2022-11-02 21:07:39,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2022-11-02 21:07:39,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2022-11-02 21:07:39,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2022-11-02 21:07:39,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:40,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b9a7d6-d811-41e0-9f29-e38aab2f78ef/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE