./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 991fb09b573d5827d0db553f1ea89a581f5a664ba8b68d6f14a043df738f2f6d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:46:06,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:46:06,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:46:06,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:46:06,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:46:06,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:46:06,430 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:46:06,431 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:46:06,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:46:06,433 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:46:06,433 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:46:06,434 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:46:06,434 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:46:06,435 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:46:06,436 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:46:06,436 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:46:06,437 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:46:06,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:46:06,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:46:06,438 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:46:06,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:46:06,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:46:06,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:46:06,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:46:06,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:46:06,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:46:06,442 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:46:06,442 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:46:06,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:46:06,443 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:46:06,443 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:46:06,444 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:46:06,444 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:46:06,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:46:06,445 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:46:06,446 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:46:06,446 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 991fb09b573d5827d0db553f1ea89a581f5a664ba8b68d6f14a043df738f2f6d [2023-11-19 07:46:06,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:46:06,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:46:06,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:46:06,763 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:46:06,764 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:46:06,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i [2023-11-19 07:46:10,363 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:46:10,689 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:46:10,690 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i [2023-11-19 07:46:10,721 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/data/4f7b13168/07485a9b45094a41825867e2b0a9116e/FLAGbb0f342b2 [2023-11-19 07:46:10,739 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/data/4f7b13168/07485a9b45094a41825867e2b0a9116e [2023-11-19 07:46:10,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:46:10,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:46:10,746 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:10,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:46:10,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:46:10,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:10" (1/1) ... [2023-11-19 07:46:10,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f63751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:10, skipping insertion in model container [2023-11-19 07:46:10,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:10" (1/1) ... [2023-11-19 07:46:10,838 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:46:11,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:11,407 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:46:11,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:11,538 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:46:11,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:11 WrapperNode [2023-11-19 07:46:11,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:11,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:11,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:46:11,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:46:11,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:11" (1/1) ... [2023-11-19 07:46:11,595 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:11" (1/1) ... [2023-11-19 07:46:11,650 INFO L138 Inliner]: procedures = 119, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 161 [2023-11-19 07:46:11,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:11,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:46:11,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:46:11,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:46:11,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:11" (1/1) ... [2023-11-19 07:46:11,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:11" (1/1) ... [2023-11-19 07:46:11,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:11" (1/1) ... [2023-11-19 07:46:11,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:11" (1/1) ... [2023-11-19 07:46:11,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:11" (1/1) ... [2023-11-19 07:46:11,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:11" (1/1) ... [2023-11-19 07:46:11,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:11" (1/1) ... [2023-11-19 07:46:11,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:11" (1/1) ... [2023-11-19 07:46:11,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:46:11,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:46:11,741 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:46:11,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:46:11,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:11" (1/1) ... [2023-11-19 07:46:11,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:11,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:11,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:11,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:46:11,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:46:11,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:46:11,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:46:11,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:46:11,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:46:11,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:46:11,986 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:46:11,988 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:46:12,313 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:46:12,323 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:46:12,324 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 07:46:12,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:12 BoogieIcfgContainer [2023-11-19 07:46:12,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:46:12,330 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:46:12,330 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:46:12,335 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:46:12,336 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:46:12,337 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:46:10" (1/3) ... [2023-11-19 07:46:12,338 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@100ae5a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:46:12, skipping insertion in model container [2023-11-19 07:46:12,339 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:46:12,339 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:11" (2/3) ... [2023-11-19 07:46:12,339 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@100ae5a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:46:12, skipping insertion in model container [2023-11-19 07:46:12,340 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:46:12,340 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:12" (3/3) ... [2023-11-19 07:46:12,342 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrstr-alloca-2.i [2023-11-19 07:46:12,427 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:46:12,427 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:46:12,427 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:46:12,427 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:46:12,428 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:46:12,428 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:46:12,428 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:46:12,428 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:46:12,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:12,485 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 21 [2023-11-19 07:46:12,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:12,486 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:12,495 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 07:46:12,495 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:46:12,498 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:46:12,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:12,510 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 21 [2023-11-19 07:46:12,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:12,512 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:12,513 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 07:46:12,513 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:46:12,525 INFO L748 eck$LassoCheckResult]: Stem: 33#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 30#L555true assume !(main_~length1~0#1 < 1); 28#L555-2true assume !(main_~length2~0#1 < 1); 7#L558-1true call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 36#L564-3true [2023-11-19 07:46:12,525 INFO L750 eck$LassoCheckResult]: Loop: 36#L564-3true assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet25#1;call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 23#L564-2true main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 36#L564-3true [2023-11-19 07:46:12,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:12,540 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2023-11-19 07:46:12,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:12,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352477599] [2023-11-19 07:46:12,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:12,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:12,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:12,766 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:12,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:12,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2023-11-19 07:46:12,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:12,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266616940] [2023-11-19 07:46:12,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:12,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:12,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:12,824 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:12,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:12,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2023-11-19 07:46:12,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:12,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343404886] [2023-11-19 07:46:12,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:12,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:12,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:12,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:13,453 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:46:13,454 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:46:13,454 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:46:13,454 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:46:13,455 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:46:13,455 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:13,455 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:46:13,455 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:46:13,456 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-2.i_Iteration1_Lasso [2023-11-19 07:46:13,456 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:46:13,456 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:46:13,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:13,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:13,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:13,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:13,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:13,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:13,510 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:13,807 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:13,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:13,816 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:13,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:13,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:13,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:13,830 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:13,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:13,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:13,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:14,339 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:46:14,345 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:46:14,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:14,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:14,350 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:14,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:14,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:46:14,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:14,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:14,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:14,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:14,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:14,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:14,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:14,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:14,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:14,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:14,429 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:14,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:14,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:46:14,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:14,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:14,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:14,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:14,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:14,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:14,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:14,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:14,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:14,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:14,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:14,500 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:14,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:14,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:46:14,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:14,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:14,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:14,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:14,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:14,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:14,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:14,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:14,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:14,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:14,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:14,571 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:14,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:46:14,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:14,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:14,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:14,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:14,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:14,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:14,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:14,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:14,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:14,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:14,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:14,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:14,635 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:14,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:46:14,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:14,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:14,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:14,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:14,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:14,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:14,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:14,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:14,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:14,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:14,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:14,710 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:14,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:14,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:46:14,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:14,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:14,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:14,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:14,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:14,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:14,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:14,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:14,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:14,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:14,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:14,781 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:14,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:46:14,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:14,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:14,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:14,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:14,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:14,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:14,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:14,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:14,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:14,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:14,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:14,853 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:14,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:14,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:46:14,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:14,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:14,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:14,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:14,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:14,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:14,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:14,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:14,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:14,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:14,934 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:14,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:14,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:46:14,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:14,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:14,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:14,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:14,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:14,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:15,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:15,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:15,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:15,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:15,035 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:15,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:46:15,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:15,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:15,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:15,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:15,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:15,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:15,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:15,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:15,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:15,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:15,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:15,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:15,095 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:15,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 07:46:15,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:15,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:15,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:15,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:15,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:15,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:15,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:15,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:15,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:15,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:15,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:15,162 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:15,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 07:46:15,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:15,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:15,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:15,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:15,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:15,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:15,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:15,221 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:46:15,321 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2023-11-19 07:46:15,322 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-19 07:46:15,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:15,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:15,353 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:15,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 07:46:15,382 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:46:15,418 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:46:15,419 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:46:15,419 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~length1~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~length1~0#1 Supporting invariants [] [2023-11-19 07:46:15,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-19 07:46:15,473 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2023-11-19 07:46:15,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:15,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:46:15,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:15,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:46:15,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:15,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:15,660 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:46:15,664 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:15,776 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 70 states and 106 transitions. Complement of second has 8 states. [2023-11-19 07:46:15,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:46:15,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:15,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2023-11-19 07:46:15,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 55 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-19 07:46:15,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:15,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 55 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-19 07:46:15,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:15,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 55 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-19 07:46:15,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:15,802 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 106 transitions. [2023-11-19 07:46:15,808 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2023-11-19 07:46:15,813 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 32 states and 47 transitions. [2023-11-19 07:46:15,815 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-19 07:46:15,815 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2023-11-19 07:46:15,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 47 transitions. [2023-11-19 07:46:15,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:15,817 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 47 transitions. [2023-11-19 07:46:15,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 47 transitions. [2023-11-19 07:46:15,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2023-11-19 07:46:15,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.46875) internal successors, (47), 31 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:15,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 47 transitions. [2023-11-19 07:46:15,855 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 47 transitions. [2023-11-19 07:46:15,855 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 47 transitions. [2023-11-19 07:46:15,855 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:46:15,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 47 transitions. [2023-11-19 07:46:15,857 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2023-11-19 07:46:15,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:15,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:15,858 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:15,858 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:46:15,858 INFO L748 eck$LassoCheckResult]: Stem: 210#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 192#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 193#L555 assume !(main_~length1~0#1 < 1); 208#L555-2 assume !(main_~length2~0#1 < 1); 188#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 189#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 207#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 200#L568-3 [2023-11-19 07:46:15,858 INFO L750 eck$LassoCheckResult]: Loop: 200#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 202#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 200#L568-3 [2023-11-19 07:46:15,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:15,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2023-11-19 07:46:15,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:15,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287338940] [2023-11-19 07:46:15,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:15,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:16,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:16,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:16,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287338940] [2023-11-19 07:46:16,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287338940] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:16,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:16,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:46:16,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470617153] [2023-11-19 07:46:16,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:16,089 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:46:16,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:16,090 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2023-11-19 07:46:16,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:16,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393473050] [2023-11-19 07:46:16,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:16,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:16,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:16,108 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:16,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:16,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:46:16,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:46:16,179 INFO L87 Difference]: Start difference. First operand 32 states and 47 transitions. cyclomatic complexity: 19 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:16,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:16,223 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2023-11-19 07:46:16,223 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2023-11-19 07:46:16,228 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2023-11-19 07:46:16,230 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 43 transitions. [2023-11-19 07:46:16,230 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2023-11-19 07:46:16,231 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2023-11-19 07:46:16,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 43 transitions. [2023-11-19 07:46:16,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:16,231 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 43 transitions. [2023-11-19 07:46:16,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 43 transitions. [2023-11-19 07:46:16,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2023-11-19 07:46:16,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.3125) internal successors, (42), 31 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2023-11-19 07:46:16,244 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 42 transitions. [2023-11-19 07:46:16,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:46:16,251 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2023-11-19 07:46:16,251 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:46:16,251 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 42 transitions. [2023-11-19 07:46:16,252 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2023-11-19 07:46:16,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:16,252 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:16,252 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:16,253 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:46:16,253 INFO L748 eck$LassoCheckResult]: Stem: 281#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 264#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 265#L555 assume !(main_~length1~0#1 < 1); 280#L555-2 assume !(main_~length2~0#1 < 1); 259#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 260#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet25#1;call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 276#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 277#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 279#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 271#L568-3 [2023-11-19 07:46:16,253 INFO L750 eck$LassoCheckResult]: Loop: 271#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 273#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 271#L568-3 [2023-11-19 07:46:16,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:16,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1298440016, now seen corresponding path program 1 times [2023-11-19 07:46:16,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:16,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790677987] [2023-11-19 07:46:16,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:16,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:16,284 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:16,300 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:16,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:16,301 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 2 times [2023-11-19 07:46:16,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:16,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132460231] [2023-11-19 07:46:16,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:16,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:16,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:16,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:16,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:16,320 INFO L85 PathProgramCache]: Analyzing trace with hash -2034626574, now seen corresponding path program 1 times [2023-11-19 07:46:16,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:16,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586529051] [2023-11-19 07:46:16,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:16,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:16,357 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:16,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:16,902 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:46:16,902 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:46:16,902 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:46:16,902 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:46:16,902 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:46:16,902 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:16,903 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:46:16,903 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:46:16,903 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-2.i_Iteration3_Lasso [2023-11-19 07:46:16,903 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:46:16,903 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:46:16,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:16,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:16,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:16,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:16,925 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:16,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:17,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:17,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:17,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:17,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:17,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:17,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:17,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:17,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:17,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:17,231 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:17,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:17,633 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:46:17,634 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:46:17,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:17,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:17,642 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:17,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:17,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 07:46:17,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:17,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:17,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:17,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:17,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:17,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:17,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:17,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:17,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:17,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:17,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:17,703 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:17,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:17,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 07:46:17,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:17,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:17,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:17,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:17,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:17,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:17,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:17,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:17,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:17,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:17,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:17,772 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:17,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:17,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 07:46:17,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:17,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:17,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:17,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:17,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:17,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:17,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:17,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:17,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:17,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:17,835 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:17,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:17,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:17,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:17,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:17,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:17,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:17,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:17,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:17,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 07:46:17,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:17,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:17,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:17,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:17,901 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:17,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:17,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 07:46:17,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:17,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:17,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:17,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:17,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:17,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:17,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:17,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:17,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:17,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:17,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:17,962 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:17,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:17,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 07:46:17,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:17,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:17,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:17,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:17,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:17,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:18,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:18,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:18,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:18,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:18,052 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:18,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:18,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 07:46:18,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:18,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:18,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:18,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:18,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:18,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:18,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:18,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:18,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:18,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:18,127 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:18,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:18,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 07:46:18,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:18,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:18,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:18,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:18,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:18,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:18,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:18,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:18,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:18,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:18,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:18,187 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:18,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:18,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 07:46:18,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:18,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:18,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:18,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:18,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:18,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:18,245 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:46:18,283 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2023-11-19 07:46:18,283 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-19 07:46:18,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:18,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:18,300 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:18,302 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:46:18,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 07:46:18,327 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:46:18,327 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:46:18,328 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~length2~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~length2~0#1 Supporting invariants [] [2023-11-19 07:46:18,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:18,391 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2023-11-19 07:46:18,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:18,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:46:18,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:18,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:46:18,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:18,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:18,485 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:46:18,486 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 42 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:18,529 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 42 transitions. cyclomatic complexity: 14. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 48 transitions. Complement of second has 7 states. [2023-11-19 07:46:18,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:46:18,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:18,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2023-11-19 07:46:18,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-19 07:46:18,533 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:18,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2023-11-19 07:46:18,533 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:18,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2023-11-19 07:46:18,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:18,534 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 48 transitions. [2023-11-19 07:46:18,542 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2023-11-19 07:46:18,544 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 33 states and 44 transitions. [2023-11-19 07:46:18,544 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2023-11-19 07:46:18,545 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-11-19 07:46:18,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 44 transitions. [2023-11-19 07:46:18,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:18,546 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 44 transitions. [2023-11-19 07:46:18,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 44 transitions. [2023-11-19 07:46:18,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-11-19 07:46:18,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 32 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:18,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2023-11-19 07:46:18,555 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33 states and 44 transitions. [2023-11-19 07:46:18,555 INFO L428 stractBuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2023-11-19 07:46:18,555 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 07:46:18,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 44 transitions. [2023-11-19 07:46:18,556 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2023-11-19 07:46:18,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:18,557 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:18,557 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:18,558 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:46:18,558 INFO L748 eck$LassoCheckResult]: Stem: 442#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 424#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 425#L555 assume !(main_~length1~0#1 < 1); 440#L555-2 assume !(main_~length2~0#1 < 1); 419#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 420#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet25#1;call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 436#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 437#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 439#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 430#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 431#L568-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 438#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 428#L518-4 [2023-11-19 07:46:18,559 INFO L750 eck$LassoCheckResult]: Loop: 428#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 429#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 441#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 428#L518-4 [2023-11-19 07:46:18,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:18,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1351083894, now seen corresponding path program 1 times [2023-11-19 07:46:18,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:18,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48203926] [2023-11-19 07:46:18,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:18,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:18,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:18,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:18,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:46:18,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:18,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48203926] [2023-11-19 07:46:18,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48203926] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:18,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:18,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:46:18,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964832725] [2023-11-19 07:46:18,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:18,713 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:46:18,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:18,713 INFO L85 PathProgramCache]: Analyzing trace with hash 79603, now seen corresponding path program 1 times [2023-11-19 07:46:18,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:18,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859514027] [2023-11-19 07:46:18,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:18,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:18,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:18,729 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:18,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:18,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:46:18,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:46:18,774 INFO L87 Difference]: Start difference. First operand 33 states and 44 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2023-11-19 07:46:18,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:18,810 INFO L93 Difference]: Finished difference Result 34 states and 44 transitions. [2023-11-19 07:46:18,811 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 44 transitions. [2023-11-19 07:46:18,812 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2023-11-19 07:46:18,815 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 44 transitions. [2023-11-19 07:46:18,816 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-19 07:46:18,816 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-11-19 07:46:18,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 44 transitions. [2023-11-19 07:46:18,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:18,818 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 44 transitions. [2023-11-19 07:46:18,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 44 transitions. [2023-11-19 07:46:18,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2023-11-19 07:46:18,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.303030303030303) internal successors, (43), 32 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:18,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2023-11-19 07:46:18,829 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33 states and 43 transitions. [2023-11-19 07:46:18,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:46:18,832 INFO L428 stractBuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2023-11-19 07:46:18,832 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-19 07:46:18,832 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 43 transitions. [2023-11-19 07:46:18,834 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2023-11-19 07:46:18,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:18,834 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:18,835 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:18,836 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:46:18,836 INFO L748 eck$LassoCheckResult]: Stem: 515#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 497#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 498#L555 assume !(main_~length1~0#1 < 1); 514#L555-2 assume !(main_~length2~0#1 < 1); 492#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 493#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet25#1;call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 510#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 511#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 513#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 504#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 505#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 506#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 507#L568-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 512#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 502#L518-4 [2023-11-19 07:46:18,836 INFO L750 eck$LassoCheckResult]: Loop: 502#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 503#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 516#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 502#L518-4 [2023-11-19 07:46:18,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:18,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1313217428, now seen corresponding path program 1 times [2023-11-19 07:46:18,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:18,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002473232] [2023-11-19 07:46:18,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:18,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:19,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:46:19,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:19,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002473232] [2023-11-19 07:46:19,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002473232] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:46:19,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446163870] [2023-11-19 07:46:19,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:19,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:19,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:19,318 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:19,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-19 07:46:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:19,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 07:46:19,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:19,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:46:19,527 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:46:19,575 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:46:19,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 25 [2023-11-19 07:46:19,586 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:46:19,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2023-11-19 07:46:19,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2023-11-19 07:46:19,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:46:19,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446163870] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:46:19,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:46:19,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2023-11-19 07:46:19,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495759189] [2023-11-19 07:46:19,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:46:19,684 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:46:19,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:19,684 INFO L85 PathProgramCache]: Analyzing trace with hash 79603, now seen corresponding path program 2 times [2023-11-19 07:46:19,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:19,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919738686] [2023-11-19 07:46:19,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:19,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:19,690 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:19,694 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:19,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:19,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 07:46:19,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-11-19 07:46:19,747 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. cyclomatic complexity: 14 Second operand has 13 states, 12 states have (on average 2.25) internal successors, (27), 13 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:19,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:19,924 INFO L93 Difference]: Finished difference Result 46 states and 58 transitions. [2023-11-19 07:46:19,924 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 58 transitions. [2023-11-19 07:46:19,925 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2023-11-19 07:46:19,926 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 36 states and 45 transitions. [2023-11-19 07:46:19,926 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-19 07:46:19,926 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-11-19 07:46:19,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 45 transitions. [2023-11-19 07:46:19,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:19,927 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 45 transitions. [2023-11-19 07:46:19,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 45 transitions. [2023-11-19 07:46:19,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2023-11-19 07:46:19,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 34 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:19,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 44 transitions. [2023-11-19 07:46:19,930 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 44 transitions. [2023-11-19 07:46:19,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 07:46:19,932 INFO L428 stractBuchiCegarLoop]: Abstraction has 35 states and 44 transitions. [2023-11-19 07:46:19,932 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-19 07:46:19,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 44 transitions. [2023-11-19 07:46:19,933 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2023-11-19 07:46:19,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:19,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:19,934 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:19,934 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:46:19,934 INFO L748 eck$LassoCheckResult]: Stem: 702#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 683#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 684#L555 assume !(main_~length1~0#1 < 1); 700#L555-2 assume !(main_~length2~0#1 < 1); 678#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 679#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet25#1;call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 695#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 696#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 699#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 689#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 690#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 691#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 692#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 703#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 697#L568-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 698#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 687#L518-4 [2023-11-19 07:46:19,935 INFO L750 eck$LassoCheckResult]: Loop: 687#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 688#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 701#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 687#L518-4 [2023-11-19 07:46:19,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:19,935 INFO L85 PathProgramCache]: Analyzing trace with hash -716718030, now seen corresponding path program 2 times [2023-11-19 07:46:19,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:19,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756862990] [2023-11-19 07:46:19,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:19,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:19,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:19,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:19,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:19,981 INFO L85 PathProgramCache]: Analyzing trace with hash 79603, now seen corresponding path program 3 times [2023-11-19 07:46:19,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:19,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141142994] [2023-11-19 07:46:19,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:19,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:19,986 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:19,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:19,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:19,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1464353502, now seen corresponding path program 1 times [2023-11-19 07:46:19,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:19,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187732378] [2023-11-19 07:46:19,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:19,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:20,641 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:46:20,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:20,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187732378] [2023-11-19 07:46:20,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187732378] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:46:20,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376239411] [2023-11-19 07:46:20,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:20,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:20,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:20,644 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:20,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-19 07:46:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:20,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 07:46:20,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:20,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2023-11-19 07:46:20,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2023-11-19 07:46:20,914 INFO L349 Elim1Store]: treesize reduction 28, result has 26.3 percent of original size [2023-11-19 07:46:20,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 18 [2023-11-19 07:46:21,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 56 [2023-11-19 07:46:21,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2023-11-19 07:46:21,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 29 treesize of output 32 [2023-11-19 07:46:21,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 07:46:21,109 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:46:21,109 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:46:21,149 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:46:21,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 27 [2023-11-19 07:46:21,158 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:46:21,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 31 [2023-11-19 07:46:21,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2023-11-19 07:46:21,231 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:46:21,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376239411] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:46:21,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:46:21,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 21 [2023-11-19 07:46:21,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157022397] [2023-11-19 07:46:21,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:46:21,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:21,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-19 07:46:21,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=350, Unknown=2, NotChecked=0, Total=420 [2023-11-19 07:46:21,282 INFO L87 Difference]: Start difference. First operand 35 states and 44 transitions. cyclomatic complexity: 13 Second operand has 21 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 21 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:21,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:21,704 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2023-11-19 07:46:21,705 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 73 transitions. [2023-11-19 07:46:21,706 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 31 [2023-11-19 07:46:21,707 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 58 states and 73 transitions. [2023-11-19 07:46:21,707 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 49 [2023-11-19 07:46:21,707 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2023-11-19 07:46:21,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 73 transitions. [2023-11-19 07:46:21,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:21,708 INFO L218 hiAutomatonCegarLoop]: Abstraction has 58 states and 73 transitions. [2023-11-19 07:46:21,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 73 transitions. [2023-11-19 07:46:21,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 41. [2023-11-19 07:46:21,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 40 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2023-11-19 07:46:21,718 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 51 transitions. [2023-11-19 07:46:21,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 07:46:21,719 INFO L428 stractBuchiCegarLoop]: Abstraction has 41 states and 51 transitions. [2023-11-19 07:46:21,719 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-19 07:46:21,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 51 transitions. [2023-11-19 07:46:21,720 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2023-11-19 07:46:21,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:21,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:21,721 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:21,722 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:46:21,722 INFO L748 eck$LassoCheckResult]: Stem: 946#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 928#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 929#L555 assume !(main_~length1~0#1 < 1); 945#L555-2 assume !(main_~length2~0#1 < 1); 922#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 923#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet25#1;call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 941#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 942#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 944#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 934#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 935#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 954#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 953#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 952#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 938#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 936#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 937#L568-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 943#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 932#L518-4 [2023-11-19 07:46:21,722 INFO L750 eck$LassoCheckResult]: Loop: 932#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 933#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 947#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 932#L518-4 [2023-11-19 07:46:21,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:21,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1569540784, now seen corresponding path program 3 times [2023-11-19 07:46:21,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:21,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094134899] [2023-11-19 07:46:21,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:21,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:21,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:21,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:21,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:21,769 INFO L85 PathProgramCache]: Analyzing trace with hash 79603, now seen corresponding path program 4 times [2023-11-19 07:46:21,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:21,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370002913] [2023-11-19 07:46:21,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:21,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:21,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:21,779 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:21,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:21,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1119505220, now seen corresponding path program 2 times [2023-11-19 07:46:21,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:21,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148030918] [2023-11-19 07:46:21,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:21,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:21,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:21,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:25,477 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:46:25,477 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:46:25,477 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:46:25,477 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:46:25,477 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:46:25,477 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:25,477 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:46:25,477 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:46:25,477 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-2.i_Iteration7_Lasso [2023-11-19 07:46:25,477 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:46:25,477 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:46:25,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,495 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,511 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,514 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,517 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,522 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,525 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,528 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,533 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:25,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:26,368 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:26,371 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:26,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:26,378 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:26,381 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:26,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:26,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:26,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:26,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:26,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:26,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:26,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:26,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:26,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:26,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:26,967 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:46:26,967 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:46:26,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:26,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:26,971 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:26,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:26,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-19 07:46:26,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:26,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:26,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:26,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:26,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:26,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:26,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:27,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:27,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,033 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:27,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:27,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-19 07:46:27,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:27,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:27,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:27,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,086 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:27,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-19 07:46:27,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:27,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:27,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:27,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:27,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,158 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:27,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-19 07:46:27,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:27,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:27,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:27,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,224 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-19 07:46:27,226 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 [2023-11-19 07:46:27,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:27,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:27,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:27,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-19 07:46:27,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,260 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:27,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-19 07:46:27,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:27,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:27,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:27,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:27,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,328 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:27,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:27,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-19 07:46:27,357 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:27,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:27,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:27,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,398 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:27,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-19 07:46:27,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:27,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:27,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-19 07:46:27,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,454 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-19 07:46:27,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:27,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:27,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:27,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:27,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-19 07:46:27,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,491 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-19 07:46:27,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:27,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:27,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:27,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:27,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,565 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:27,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-19 07:46:27,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:27,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:27,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:27,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-19 07:46:27,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,615 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-19 07:46:27,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:27,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:27,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:27,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:27,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:27,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,644 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-19 07:46:27,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:27,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:27,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:27,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:27,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-19 07:46:27,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,689 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-19 07:46:27,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:27,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:27,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:27,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:27,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:27,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,726 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-19 07:46:27,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:27,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:27,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:27,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:27,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-19 07:46:27,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,757 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-19 07:46:27,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:27,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:27,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:27,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:27,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-19 07:46:27,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,788 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-19 07:46:27,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:27,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:27,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:27,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:27,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-19 07:46:27,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,819 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-19 07:46:27,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:27,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:27,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:27,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:27,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-11-19 07:46:27,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,854 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-19 07:46:27,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:27,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:27,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:27,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:27,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-19 07:46:27,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,887 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-19 07:46:27,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:27,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:27,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:27,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:27,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-19 07:46:27,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,918 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-19 07:46:27,927 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 [2023-11-19 07:46:27,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,939 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 07:46:27,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,943 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-19 07:46:27,944 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-19 07:46:27,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:27,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:27,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:27,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:27,969 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:27,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-19 07:46:27,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:27,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:27,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:27,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:27,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:27,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:27,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:27,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:28,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-19 07:46:28,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:28,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:28,004 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:28,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-19 07:46:28,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:28,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:28,018 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-19 07:46:28,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:28,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:28,022 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-19 07:46:28,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:28,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:28,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-11-19 07:46:28,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:28,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:28,066 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:28,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-19 07:46:28,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:28,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:28,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:28,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:28,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:28,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:28,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:28,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:28,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:28,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:28,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:28,105 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:28,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-19 07:46:28,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:28,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:28,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:28,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:28,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:28,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:28,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:28,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:28,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:28,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:28,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:28,178 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:28,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:28,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-19 07:46:28,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:28,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:28,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:28,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:28,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:28,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:28,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:28,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2023-11-19 07:46:28,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:28,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:28,215 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:28,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-19 07:46:28,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:28,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:28,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:28,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:28,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:28,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:28,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:28,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:28,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2023-11-19 07:46:28,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:28,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:28,259 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:28,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-19 07:46:28,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:28,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:28,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:28,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:28,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:28,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:28,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:28,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:28,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:28,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:28,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:28,340 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:28,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:28,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-19 07:46:28,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:28,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:28,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:28,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:28,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:28,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:28,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:28,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:28,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:28,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:28,413 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:28,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-19 07:46:28,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:28,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:28,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:28,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:28,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:28,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:28,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:28,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:28,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:28,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:28,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:28,465 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:28,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:28,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-19 07:46:28,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:28,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:28,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:28,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:28,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:28,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:28,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:28,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:28,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:28,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:28,529 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:28,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:28,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-19 07:46:28,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:28,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:28,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:28,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:28,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:28,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:28,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:28,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:28,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:28,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:28,588 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:28,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:28,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-19 07:46:28,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:28,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:28,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:28,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:28,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:28,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:28,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:28,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:28,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:28,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:28,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:28,645 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:28,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:28,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-19 07:46:28,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:28,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:28,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:28,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:28,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:28,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:28,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:28,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2023-11-19 07:46:28,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:28,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:28,712 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:28,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:28,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-19 07:46:28,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:28,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:28,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:28,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:28,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:28,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:28,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:28,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:28,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-11-19 07:46:28,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:28,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:28,747 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:28,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-19 07:46:28,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:28,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:28,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:28,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:28,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:28,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:28,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:28,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:28,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:28,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:28,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:28,815 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:28,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-19 07:46:28,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:28,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:28,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:28,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:28,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:28,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:28,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:28,869 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:46:28,887 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-19 07:46:28,887 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-19 07:46:28,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:28,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:28,891 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:28,893 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:46:28,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-19 07:46:28,928 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:46:28,928 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:46:28,929 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_2, ULTIMATE.start_cstrlen_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_2 - 1*ULTIMATE.start_cstrlen_~s~0#1.offset Supporting invariants [] [2023-11-19 07:46:28,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:29,070 INFO L156 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2023-11-19 07:46:29,074 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString2~0!base] could not be translated [2023-11-19 07:46:29,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:29,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 07:46:29,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:29,200 WARN L260 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:46:29,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:29,280 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-19 07:46:29,280 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 51 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:29,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:29,332 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 51 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 59 transitions. Complement of second has 6 states. [2023-11-19 07:46:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:46:29,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:29,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2023-11-19 07:46:29,334 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 18 letters. Loop has 3 letters. [2023-11-19 07:46:29,334 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:29,334 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 21 letters. Loop has 3 letters. [2023-11-19 07:46:29,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:29,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 18 letters. Loop has 6 letters. [2023-11-19 07:46:29,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:29,335 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 59 transitions. [2023-11-19 07:46:29,336 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2023-11-19 07:46:29,337 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 43 states and 54 transitions. [2023-11-19 07:46:29,337 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2023-11-19 07:46:29,337 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2023-11-19 07:46:29,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 54 transitions. [2023-11-19 07:46:29,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:46:29,338 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 54 transitions. [2023-11-19 07:46:29,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 54 transitions. [2023-11-19 07:46:29,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2023-11-19 07:46:29,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 41 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:29,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 53 transitions. [2023-11-19 07:46:29,341 INFO L240 hiAutomatonCegarLoop]: Abstraction has 42 states and 53 transitions. [2023-11-19 07:46:29,341 INFO L428 stractBuchiCegarLoop]: Abstraction has 42 states and 53 transitions. [2023-11-19 07:46:29,341 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-19 07:46:29,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 53 transitions. [2023-11-19 07:46:29,342 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2023-11-19 07:46:29,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:29,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:29,343 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:29,343 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:29,344 INFO L748 eck$LassoCheckResult]: Stem: 1224#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1203#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 1204#L555 assume !(main_~length1~0#1 < 1); 1222#L555-2 assume !(main_~length2~0#1 < 1); 1198#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 1199#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet25#1;call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 1217#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 1218#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 1221#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 1212#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 1213#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 1214#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 1215#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 1230#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 1219#L568-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 1220#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 1207#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 1208#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 1197#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := cstrlen_~s~0#1.offset - cstrlen_~str#1.offset; 1189#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;havoc cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 1190#L542-4 [2023-11-19 07:46:29,344 INFO L750 eck$LassoCheckResult]: Loop: 1190#L542-4 goto; 1211#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 1200#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 1201#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 1216#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 1191#L525 assume 0 == cstrncmp_~n#1 % 4294967296;cstrncmp_#res#1 := 0; 1192#cstrncmp_returnLabel#1 cstrstr_#t~ret16#1 := cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;havoc cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1;assume { :end_inline_cstrncmp } true; 1202#L542-2 assume !!(0 != cstrstr_#t~ret16#1);havoc cstrstr_#t~ret16#1; 1190#L542-4 [2023-11-19 07:46:29,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:29,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1849679959, now seen corresponding path program 1 times [2023-11-19 07:46:29,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:29,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340351380] [2023-11-19 07:46:29,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:29,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:29,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:29,382 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:29,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:29,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1079765744, now seen corresponding path program 1 times [2023-11-19 07:46:29,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:29,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861088618] [2023-11-19 07:46:29,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:29,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:29,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:29,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:29,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861088618] [2023-11-19 07:46:29,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861088618] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:29,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:29,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:46:29,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79484647] [2023-11-19 07:46:29,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:29,406 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:46:29,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:29,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:46:29,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:46:29,407 INFO L87 Difference]: Start difference. First operand 42 states and 53 transitions. cyclomatic complexity: 15 Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:29,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:29,426 INFO L93 Difference]: Finished difference Result 44 states and 54 transitions. [2023-11-19 07:46:29,426 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 54 transitions. [2023-11-19 07:46:29,427 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2023-11-19 07:46:29,427 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 41 states and 49 transitions. [2023-11-19 07:46:29,428 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2023-11-19 07:46:29,428 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2023-11-19 07:46:29,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 49 transitions. [2023-11-19 07:46:29,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:46:29,428 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 49 transitions. [2023-11-19 07:46:29,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 49 transitions. [2023-11-19 07:46:29,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-19 07:46:29,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.1951219512195121) internal successors, (49), 40 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:29,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2023-11-19 07:46:29,432 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 49 transitions. [2023-11-19 07:46:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:46:29,433 INFO L428 stractBuchiCegarLoop]: Abstraction has 41 states and 49 transitions. [2023-11-19 07:46:29,433 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-19 07:46:29,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 49 transitions. [2023-11-19 07:46:29,434 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2023-11-19 07:46:29,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:29,434 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:29,435 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:29,435 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:29,435 INFO L748 eck$LassoCheckResult]: Stem: 1317#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1295#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 1296#L555 assume !(main_~length1~0#1 < 1); 1316#L555-2 assume !(main_~length2~0#1 < 1); 1290#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 1291#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet25#1;call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 1311#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 1312#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 1315#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 1305#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 1306#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 1307#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 1308#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 1324#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 1313#L568-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 1314#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 1301#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 1302#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 1292#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := cstrlen_~s~0#1.offset - cstrlen_~str#1.offset; 1284#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;havoc cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 1285#L542-4 [2023-11-19 07:46:29,436 INFO L750 eck$LassoCheckResult]: Loop: 1285#L542-4 goto; 1309#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 1293#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 1294#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 1310#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 1286#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 1287#L527-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 1300#L528 assume cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1;havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;call cstrncmp_#t~mem9#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset - 1;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset - 1;call cstrncmp_#t~mem10#1 := read~int(cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, 1);cstrncmp_#res#1 := (if cstrncmp_#t~mem9#1 % 256 % 4294967296 <= 2147483647 then cstrncmp_#t~mem9#1 % 256 % 4294967296 else cstrncmp_#t~mem9#1 % 256 % 4294967296 - 4294967296) - (if cstrncmp_#t~mem10#1 % 256 % 4294967296 <= 2147483647 then cstrncmp_#t~mem10#1 % 256 % 4294967296 else cstrncmp_#t~mem10#1 % 256 % 4294967296 - 4294967296);havoc cstrncmp_#t~mem9#1;havoc cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset;havoc cstrncmp_#t~mem10#1; 1297#cstrncmp_returnLabel#1 cstrstr_#t~ret16#1 := cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;havoc cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1;assume { :end_inline_cstrncmp } true; 1298#L542-2 assume !!(0 != cstrstr_#t~ret16#1);havoc cstrstr_#t~ret16#1; 1285#L542-4 [2023-11-19 07:46:29,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:29,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1849679959, now seen corresponding path program 2 times [2023-11-19 07:46:29,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:29,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139713323] [2023-11-19 07:46:29,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:29,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:29,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:29,473 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:29,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:29,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1728347221, now seen corresponding path program 1 times [2023-11-19 07:46:29,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:29,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87340736] [2023-11-19 07:46:29,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:29,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:29,484 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:29,495 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:29,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:29,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1941989675, now seen corresponding path program 1 times [2023-11-19 07:46:29,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:29,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56799641] [2023-11-19 07:46:29,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:29,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:29,735 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 07:46:29,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:29,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56799641] [2023-11-19 07:46:29,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56799641] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:29,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:29,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:46:29,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885165976] [2023-11-19 07:46:29,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:30,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:30,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:46:30,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:46:30,131 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:30,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:30,194 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2023-11-19 07:46:30,194 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 60 transitions. [2023-11-19 07:46:30,195 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2023-11-19 07:46:30,195 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 50 states and 58 transitions. [2023-11-19 07:46:30,195 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2023-11-19 07:46:30,196 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2023-11-19 07:46:30,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 58 transitions. [2023-11-19 07:46:30,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:46:30,196 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 58 transitions. [2023-11-19 07:46:30,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 58 transitions. [2023-11-19 07:46:30,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2023-11-19 07:46:30,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.1666666666666667) internal successors, (56), 47 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:30,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2023-11-19 07:46:30,199 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 56 transitions. [2023-11-19 07:46:30,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:46:30,203 INFO L428 stractBuchiCegarLoop]: Abstraction has 48 states and 56 transitions. [2023-11-19 07:46:30,203 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-19 07:46:30,204 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 56 transitions. [2023-11-19 07:46:30,204 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2023-11-19 07:46:30,204 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:30,204 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:30,206 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:30,206 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:46:30,206 INFO L748 eck$LassoCheckResult]: Stem: 1432#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1405#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 1406#L555 assume !(main_~length1~0#1 < 1); 1428#L555-2 assume !(main_~length2~0#1 < 1); 1400#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 1401#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet25#1;call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 1422#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 1423#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 1426#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 1416#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 1417#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 1418#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 1419#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 1441#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 1424#L568-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 1425#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 1411#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 1412#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 1434#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := cstrlen_~s~0#1.offset - cstrlen_~str#1.offset; 1437#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;havoc cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 1436#L542-4 goto; 1421#L543-2 [2023-11-19 07:46:30,206 INFO L750 eck$LassoCheckResult]: Loop: 1421#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 1403#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 1404#L543 assume !!(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 1421#L543-2 [2023-11-19 07:46:30,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:30,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1505503948, now seen corresponding path program 1 times [2023-11-19 07:46:30,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:30,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162626277] [2023-11-19 07:46:30,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:30,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:30,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:30,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:30,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:30,264 INFO L85 PathProgramCache]: Analyzing trace with hash 99467, now seen corresponding path program 1 times [2023-11-19 07:46:30,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:30,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190561806] [2023-11-19 07:46:30,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:30,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:30,269 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:30,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:30,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:30,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1875287584, now seen corresponding path program 1 times [2023-11-19 07:46:30,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:30,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538144047] [2023-11-19 07:46:30,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:30,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:30,713 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:46:30,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:30,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538144047] [2023-11-19 07:46:30,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538144047] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:46:30,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210763497] [2023-11-19 07:46:30,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:30,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:30,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:30,715 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:30,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2023-11-19 07:46:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:30,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 07:46:30,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:30,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-19 07:46:30,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-11-19 07:46:30,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 07:46:30,997 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:46:30,997 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:46:31,020 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:46:31,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 22 [2023-11-19 07:46:31,029 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:46:31,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 30 [2023-11-19 07:46:31,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-19 07:46:31,149 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:46:31,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210763497] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:46:31,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:46:31,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2023-11-19 07:46:31,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256193637] [2023-11-19 07:46:31,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:46:31,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:31,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 07:46:31,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2023-11-19 07:46:31,220 INFO L87 Difference]: Start difference. First operand 48 states and 56 transitions. cyclomatic complexity: 13 Second operand has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:31,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:31,424 INFO L93 Difference]: Finished difference Result 80 states and 91 transitions. [2023-11-19 07:46:31,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 91 transitions. [2023-11-19 07:46:31,425 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2023-11-19 07:46:31,426 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 51 states and 59 transitions. [2023-11-19 07:46:31,426 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2023-11-19 07:46:31,426 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2023-11-19 07:46:31,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 59 transitions. [2023-11-19 07:46:31,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:46:31,427 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 59 transitions. [2023-11-19 07:46:31,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 59 transitions. [2023-11-19 07:46:31,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 50. [2023-11-19 07:46:31,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.16) internal successors, (58), 49 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:31,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2023-11-19 07:46:31,430 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 58 transitions. [2023-11-19 07:46:31,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 07:46:31,432 INFO L428 stractBuchiCegarLoop]: Abstraction has 50 states and 58 transitions. [2023-11-19 07:46:31,432 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-19 07:46:31,432 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 58 transitions. [2023-11-19 07:46:31,432 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2023-11-19 07:46:31,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:31,433 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:31,433 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:31,434 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:46:31,434 INFO L748 eck$LassoCheckResult]: Stem: 1726#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1703#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 1704#L555 assume !(main_~length1~0#1 < 1); 1724#L555-2 assume !(main_~length2~0#1 < 1); 1697#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 1698#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet25#1;call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 1718#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 1719#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet25#1;call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 1727#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 1734#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 1722#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 1714#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 1715#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 1716#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 1717#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 1733#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 1720#L568-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 1721#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 1708#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 1709#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 1696#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := cstrlen_~s~0#1.offset - cstrlen_~str#1.offset; 1690#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;havoc cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 1691#L542-4 goto; 1713#L543-2 [2023-11-19 07:46:31,434 INFO L750 eck$LassoCheckResult]: Loop: 1713#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 1699#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 1700#L543 assume !!(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 1713#L543-2 [2023-11-19 07:46:31,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:31,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1779363886, now seen corresponding path program 2 times [2023-11-19 07:46:31,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:31,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187849368] [2023-11-19 07:46:31,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:31,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:31,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:31,473 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:31,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:31,474 INFO L85 PathProgramCache]: Analyzing trace with hash 99467, now seen corresponding path program 2 times [2023-11-19 07:46:31,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:31,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259977218] [2023-11-19 07:46:31,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:31,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:31,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:31,482 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:31,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:31,483 INFO L85 PathProgramCache]: Analyzing trace with hash 543230270, now seen corresponding path program 2 times [2023-11-19 07:46:31,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:31,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003936265] [2023-11-19 07:46:31,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:31,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:31,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:31,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:35,467 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:46:35,467 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:46:35,467 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:46:35,467 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:46:35,467 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:46:35,467 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:35,468 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:46:35,468 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:46:35,468 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-2.i_Iteration11_Lasso [2023-11-19 07:46:35,468 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:46:35,468 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:46:35,472 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:35,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:35,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:35,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:35,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:35,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:35,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:35,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:35,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:35,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:35,506 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:35,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:35,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,585 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,587 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,592 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,594 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,596 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:37,335 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:46:37,336 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:46:37,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,340 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-19 07:46:37,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:37,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:37,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:37,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2023-11-19 07:46:37,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,368 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-19 07:46:37,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:37,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:37,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:37,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2023-11-19 07:46:37,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,394 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-19 07:46:37,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:37,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:37,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:37,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2023-11-19 07:46:37,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,424 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-19 07:46:37,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:37,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:37,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:37,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:37,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,451 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-19 07:46:37,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:37,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:37,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:37,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2023-11-19 07:46:37,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,477 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-19 07:46:37,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:37,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:37,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:37,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:37,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,504 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-19 07:46:37,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:37,517 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:37,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2023-11-19 07:46:37,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,533 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-19 07:46:37,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:37,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:37,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:37,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:37,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,561 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-19 07:46:37,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:37,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:37,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:37,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2023-11-19 07:46:37,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,586 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-19 07:46:37,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:37,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:37,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:37,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,629 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-19 07:46:37,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:37,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:37,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:37,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2023-11-19 07:46:37,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,656 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-19 07:46:37,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:37,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:37,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:37,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:37,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,689 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-19 07:46:37,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:37,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:37,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:37,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,749 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2023-11-19 07:46:37,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:37,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:37,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:37,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,805 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-19 07:46:37,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:37,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:37,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:37,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2023-11-19 07:46:37,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,840 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-11-19 07:46:37,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:37,853 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:37,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:37,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,903 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:37,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:37,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-19 07:46:37,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:37,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,957 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-11-19 07:46:37,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:37,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:37,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:38,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2023-11-19 07:46:38,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:38,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:38,004 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:38,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2023-11-19 07:46:38,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:38,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:38,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:38,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:38,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:38,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:38,017 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:38,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:38,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2023-11-19 07:46:38,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:38,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:38,033 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:38,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2023-11-19 07:46:38,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:38,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:38,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:38,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:38,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:38,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:38,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:38,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:38,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:38,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2023-11-19 07:46:38,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:38,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:38,057 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:38,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2023-11-19 07:46:38,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:38,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:38,070 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-19 07:46:38,070 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2023-11-19 07:46:38,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:38,101 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2023-11-19 07:46:38,101 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2023-11-19 07:46:38,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:38,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:38,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:38,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:38,187 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:38,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2023-11-19 07:46:38,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:38,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:38,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:38,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:38,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:38,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:38,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:38,233 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:46:38,273 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-19 07:46:38,273 INFO L444 ModelExtractionUtils]: 8 out of 37 variables were initially zero. Simplification set additionally 26 variables to zero. [2023-11-19 07:46:38,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:38,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:38,281 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:38,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2023-11-19 07:46:38,284 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:46:38,311 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:46:38,311 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:46:38,311 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_4, ULTIMATE.start_cstrstr_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_4 - 1*ULTIMATE.start_cstrstr_~s#1.offset Supporting invariants [] [2023-11-19 07:46:38,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:38,447 INFO L156 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2023-11-19 07:46:38,451 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 07:46:38,452 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString1~0!base] could not be translated [2023-11-19 07:46:38,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:38,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:46:38,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:38,630 WARN L260 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 07:46:38,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:38,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:38,673 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2023-11-19 07:46:38,673 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 58 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:38,721 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 58 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 67 states and 77 transitions. Complement of second has 6 states. [2023-11-19 07:46:38,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:46:38,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:38,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2023-11-19 07:46:38,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 23 letters. Loop has 3 letters. [2023-11-19 07:46:38,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:38,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 26 letters. Loop has 3 letters. [2023-11-19 07:46:38,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:38,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 23 letters. Loop has 6 letters. [2023-11-19 07:46:38,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:38,725 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 77 transitions. [2023-11-19 07:46:38,725 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 07:46:38,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 50 states and 57 transitions. [2023-11-19 07:46:38,726 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2023-11-19 07:46:38,726 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2023-11-19 07:46:38,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 57 transitions. [2023-11-19 07:46:38,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:46:38,727 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 57 transitions. [2023-11-19 07:46:38,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 57 transitions. [2023-11-19 07:46:38,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-19 07:46:38,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.14) internal successors, (57), 49 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:38,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2023-11-19 07:46:38,730 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 57 transitions. [2023-11-19 07:46:38,730 INFO L428 stractBuchiCegarLoop]: Abstraction has 50 states and 57 transitions. [2023-11-19 07:46:38,730 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-19 07:46:38,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 57 transitions. [2023-11-19 07:46:38,730 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 07:46:38,731 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:38,731 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:38,732 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:38,732 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-19 07:46:38,732 INFO L748 eck$LassoCheckResult]: Stem: 2053#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2026#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 2027#L555 assume !(main_~length1~0#1 < 1); 2052#L555-2 assume !(main_~length2~0#1 < 1); 2020#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 2021#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet25#1;call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 2047#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 2048#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet25#1;call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 2055#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 2056#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 2051#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 2039#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 2040#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 2041#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 2042#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 2059#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 2058#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 2057#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 2049#L568-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 2050#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 2035#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 2036#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 2054#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 2037#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 2038#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 2022#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := cstrlen_~s~0#1.offset - cstrlen_~str#1.offset; 2010#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;havoc cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 2011#L542-4 goto; 2043#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 2023#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 2025#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 2045#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 2012#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 2013#L527-4 [2023-11-19 07:46:38,732 INFO L750 eck$LassoCheckResult]: Loop: 2013#L527-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 2033#L528 assume !(cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1);havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post11#1.base, 1 + cstrncmp_#t~post11#1.offset;call cstrncmp_#t~mem12#1 := read~int(cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, 1); 2030#L530 assume !(0 == cstrncmp_#t~mem12#1);havoc cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset;havoc cstrncmp_#t~mem12#1; 2016#L527-1 cstrncmp_#t~pre4#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 2017#L527-2 assume !!(0 != cstrncmp_#t~pre4#1 % 4294967296);havoc cstrncmp_#t~pre4#1; 2013#L527-4 [2023-11-19 07:46:38,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:38,733 INFO L85 PathProgramCache]: Analyzing trace with hash 577420407, now seen corresponding path program 1 times [2023-11-19 07:46:38,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:38,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68260101] [2023-11-19 07:46:38,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:38,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:38,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:38,779 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:38,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:38,779 INFO L85 PathProgramCache]: Analyzing trace with hash 118492775, now seen corresponding path program 1 times [2023-11-19 07:46:38,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:38,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469382326] [2023-11-19 07:46:38,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:38,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:38,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:38,791 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:38,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:38,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1867951025, now seen corresponding path program 1 times [2023-11-19 07:46:38,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:38,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761607219] [2023-11-19 07:46:38,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:38,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:38,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:39,041 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 07:46:39,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:39,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761607219] [2023-11-19 07:46:39,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761607219] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:46:39,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119028915] [2023-11-19 07:46:39,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:39,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:39,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:39,043 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:39,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (89)] Waiting until timeout for monitored process [2023-11-19 07:46:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:39,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 82 conjunts are in the unsatisfiable core [2023-11-19 07:46:39,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:39,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-19 07:46:39,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 18 [2023-11-19 07:46:39,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 07:46:39,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-19 07:46:39,640 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:46:39,640 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:46:39,886 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:46:39,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 29 [2023-11-19 07:46:39,897 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:46:39,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 43 [2023-11-19 07:46:39,906 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:46:39,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 30 [2023-11-19 07:46:40,070 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:46:40,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119028915] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:46:40,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:46:40,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 14, 14] total 29 [2023-11-19 07:46:40,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709842774] [2023-11-19 07:46:40,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:46:40,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:40,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-19 07:46:40,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=731, Unknown=0, NotChecked=0, Total=812 [2023-11-19 07:46:40,295 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. cyclomatic complexity: 12 Second operand has 29 states, 29 states have (on average 2.8275862068965516) internal successors, (82), 29 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:41,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:41,524 INFO L93 Difference]: Finished difference Result 185 states and 204 transitions. [2023-11-19 07:46:41,524 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 204 transitions. [2023-11-19 07:46:41,526 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-19 07:46:41,527 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 113 states and 127 transitions. [2023-11-19 07:46:41,527 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2023-11-19 07:46:41,527 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2023-11-19 07:46:41,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 127 transitions. [2023-11-19 07:46:41,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:46:41,528 INFO L218 hiAutomatonCegarLoop]: Abstraction has 113 states and 127 transitions. [2023-11-19 07:46:41,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 127 transitions. [2023-11-19 07:46:41,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 83. [2023-11-19 07:46:41,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 1.1325301204819278) internal successors, (94), 82 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:41,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 94 transitions. [2023-11-19 07:46:41,532 INFO L240 hiAutomatonCegarLoop]: Abstraction has 83 states and 94 transitions. [2023-11-19 07:46:41,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-19 07:46:41,534 INFO L428 stractBuchiCegarLoop]: Abstraction has 83 states and 94 transitions. [2023-11-19 07:46:41,534 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-19 07:46:41,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 94 transitions. [2023-11-19 07:46:41,534 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 07:46:41,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:41,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:41,536 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:41,536 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-19 07:46:41,536 INFO L748 eck$LassoCheckResult]: Stem: 2598#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2565#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 2566#L555 assume !(main_~length1~0#1 < 1); 2595#L555-2 assume !(main_~length2~0#1 < 1); 2559#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 2560#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet25#1;call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 2590#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 2591#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet25#1;call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 2601#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 2631#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet25#1;call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 2630#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 2629#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 2628#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 2627#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 2600#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 2580#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 2581#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 2607#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 2606#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 2605#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 2592#L568-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 2593#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 2596#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 2619#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 2618#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 2617#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 2615#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 2616#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 2614#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 2613#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 2612#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := cstrlen_~s~0#1.offset - cstrlen_~str#1.offset; 2549#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;havoc cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 2550#L542-4 goto; 2609#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 2597#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 2585#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 2586#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 2551#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 2552#L527-4 [2023-11-19 07:46:41,537 INFO L750 eck$LassoCheckResult]: Loop: 2552#L527-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 2572#L528 assume !(cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1);havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post11#1.base, 1 + cstrncmp_#t~post11#1.offset;call cstrncmp_#t~mem12#1 := read~int(cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, 1); 2569#L530 assume !(0 == cstrncmp_#t~mem12#1);havoc cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset;havoc cstrncmp_#t~mem12#1; 2555#L527-1 cstrncmp_#t~pre4#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 2556#L527-2 assume !!(0 != cstrncmp_#t~pre4#1 % 4294967296);havoc cstrncmp_#t~pre4#1; 2552#L527-4 [2023-11-19 07:46:41,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:41,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1085107107, now seen corresponding path program 2 times [2023-11-19 07:46:41,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:41,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519471399] [2023-11-19 07:46:41,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:41,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:42,195 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:46:42,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:42,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519471399] [2023-11-19 07:46:42,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519471399] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:46:42,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290449759] [2023-11-19 07:46:42,196 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:46:42,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:42,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:42,197 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:42,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544fc0f2-81f0-458c-a903-2fc23235897e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Waiting until timeout for monitored process [2023-11-19 07:46:42,343 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 07:46:42,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:46:42,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 07:46:42,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:42,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2023-11-19 07:46:42,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2023-11-19 07:46:42,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 19 [2023-11-19 07:46:42,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2023-11-19 07:46:42,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:46:42,499 INFO L349 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2023-11-19 07:46:42,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-19 07:46:42,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-19 07:46:42,599 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:46:42,599 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:46:42,626 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:46:42,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 27 [2023-11-19 07:46:42,633 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:46:42,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 31 [2023-11-19 07:46:42,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2023-11-19 07:46:42,724 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:46:42,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290449759] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:46:42,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:46:42,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 25 [2023-11-19 07:46:42,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737412041] [2023-11-19 07:46:42,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:46:42,726 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:46:42,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:42,727 INFO L85 PathProgramCache]: Analyzing trace with hash 118492775, now seen corresponding path program 2 times [2023-11-19 07:46:42,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:42,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656155663] [2023-11-19 07:46:42,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:42,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:42,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:42,742 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:42,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:42,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-19 07:46:42,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2023-11-19 07:46:42,982 INFO L87 Difference]: Start difference. First operand 83 states and 94 transitions. cyclomatic complexity: 18 Second operand has 25 states, 25 states have (on average 2.32) internal successors, (58), 25 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:43,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:43,713 INFO L93 Difference]: Finished difference Result 103 states and 114 transitions. [2023-11-19 07:46:43,713 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 114 transitions. [2023-11-19 07:46:43,714 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 07:46:43,715 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 89 states and 100 transitions. [2023-11-19 07:46:43,715 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2023-11-19 07:46:43,715 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2023-11-19 07:46:43,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 100 transitions. [2023-11-19 07:46:43,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:46:43,715 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 100 transitions. [2023-11-19 07:46:43,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 100 transitions. [2023-11-19 07:46:43,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2023-11-19 07:46:43,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 87 states have (on average 1.1264367816091954) internal successors, (98), 86 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:43,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 98 transitions. [2023-11-19 07:46:43,719 INFO L240 hiAutomatonCegarLoop]: Abstraction has 87 states and 98 transitions. [2023-11-19 07:46:43,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-19 07:46:43,724 INFO L428 stractBuchiCegarLoop]: Abstraction has 87 states and 98 transitions. [2023-11-19 07:46:43,724 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2023-11-19 07:46:43,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states and 98 transitions. [2023-11-19 07:46:43,725 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 07:46:43,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:43,725 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:43,729 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:43,729 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-19 07:46:43,729 INFO L748 eck$LassoCheckResult]: Stem: 3058#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3027#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet20#1;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 3028#L555 assume !(main_~length1~0#1 < 1); 3054#L555-2 assume !(main_~length2~0#1 < 1); 3021#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 3022#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet25#1;call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 3049#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 3050#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet25#1;call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 3060#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 3083#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);havoc main_#t~nondet25#1;call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 3085#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 3087#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 3053#L564-4 havoc main_~i~0#1;main_~i~1#1 := 0; 3040#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 3041#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 3042#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 3043#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 3059#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 3095#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 3094#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);havoc main_#t~nondet27#1;call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 3080#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 3079#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 3076#L568-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 3055#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 3034#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 3035#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 3057#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 3036#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 3037#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 3082#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 3081#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 3061#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 3019#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := cstrlen_~s~0#1.offset - cstrlen_~str#1.offset; 3020#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;havoc cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 3063#L542-4 goto; 3062#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 3056#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 3044#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 3045#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 3011#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 3012#L527-4 [2023-11-19 07:46:43,730 INFO L750 eck$LassoCheckResult]: Loop: 3012#L527-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 3032#L528 assume !(cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1);havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post11#1.base, 1 + cstrncmp_#t~post11#1.offset;call cstrncmp_#t~mem12#1 := read~int(cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, 1); 3029#L530 assume !(0 == cstrncmp_#t~mem12#1);havoc cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset;havoc cstrncmp_#t~mem12#1; 3015#L527-1 cstrncmp_#t~pre4#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 3016#L527-2 assume !!(0 != cstrncmp_#t~pre4#1 % 4294967296);havoc cstrncmp_#t~pre4#1; 3012#L527-4 [2023-11-19 07:46:43,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:43,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1202872581, now seen corresponding path program 3 times [2023-11-19 07:46:43,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:43,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309807139] [2023-11-19 07:46:43,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:43,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:43,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:43,819 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:43,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:43,820 INFO L85 PathProgramCache]: Analyzing trace with hash 118492775, now seen corresponding path program 3 times [2023-11-19 07:46:43,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:43,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773641748] [2023-11-19 07:46:43,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:43,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:43,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:43,838 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:43,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:43,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1087325267, now seen corresponding path program 2 times [2023-11-19 07:46:43,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:43,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822381857] [2023-11-19 07:46:43,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:43,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:43,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:43,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:54,053 WARN L293 SmtUtils]: Spent 9.92s on a formula simplification. DAG size of input: 317 DAG size of output: 251 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-19 07:46:56,179 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:46:56,180 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:46:56,180 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:46:56,180 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:46:56,180 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:46:56,180 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:56,180 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:46:56,180 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:46:56,180 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-2.i_Iteration14_Lasso [2023-11-19 07:46:56,180 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:46:56,180 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:46:56,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,212 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,222 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,231 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,239 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,256 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,258 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,260 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,262 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,279 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,281 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,287 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:56,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true