./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 337340cdf38da99928295b0c576766fb8f09c8634f9763511165b0f7240edd89 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:03:52,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:03:52,549 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-06 23:03:52,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:03:52,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:03:52,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:03:52,607 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:03:52,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:03:52,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:03:52,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:03:52,611 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:03:52,611 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 23:03:52,612 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 23:03:52,613 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 23:03:52,613 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 23:03:52,614 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 23:03:52,614 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 23:03:52,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:03:52,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 23:03:52,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:03:52,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:03:52,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 23:03:52,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 23:03:52,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 23:03:52,623 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:03:52,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:03:52,624 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 23:03:52,624 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:03:52,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:03:52,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:03:52,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:03:52,628 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:03:52,629 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 23:03:52,629 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_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 337340cdf38da99928295b0c576766fb8f09c8634f9763511165b0f7240edd89 [2023-11-06 23:03:52,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:03:52,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:03:52,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:03:52,995 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:03:52,996 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:03:52,997 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i [2023-11-06 23:03:56,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:03:56,498 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:03:56,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i [2023-11-06 23:03:56,523 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/data/762e3eca5/8e4834573d3e407eadce7dd9825163e3/FLAGafd6aa858 [2023-11-06 23:03:56,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/data/762e3eca5/8e4834573d3e407eadce7dd9825163e3 [2023-11-06 23:03:56,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:03:56,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:03:56,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:03:56,555 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:03:56,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:03:56,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:03:56" (1/1) ... [2023-11-06 23:03:56,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22eee08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:56, skipping insertion in model container [2023-11-06 23:03:56,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:03:56" (1/1) ... [2023-11-06 23:03:56,625 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:03:56,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:03:56,930 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:03:56,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:03:56,994 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:03:56,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:56 WrapperNode [2023-11-06 23:03:56,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:03:56,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:03:56,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:03:56,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:03:57,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:56" (1/1) ... [2023-11-06 23:03:57,017 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:56" (1/1) ... [2023-11-06 23:03:57,037 INFO L138 Inliner]: procedures = 109, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2023-11-06 23:03:57,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:03:57,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:03:57,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:03:57,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:03:57,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:56" (1/1) ... [2023-11-06 23:03:57,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:56" (1/1) ... [2023-11-06 23:03:57,051 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:56" (1/1) ... [2023-11-06 23:03:57,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:56" (1/1) ... [2023-11-06 23:03:57,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:56" (1/1) ... [2023-11-06 23:03:57,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:56" (1/1) ... [2023-11-06 23:03:57,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:56" (1/1) ... [2023-11-06 23:03:57,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:56" (1/1) ... [2023-11-06 23:03:57,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:03:57,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:03:57,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:03:57,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:03:57,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:56" (1/1) ... [2023-11-06 23:03:57,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:03:57,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:57,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:03:57,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 23:03:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:03:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:03:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:03:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:03:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:03:57,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:03:57,237 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:03:57,239 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:03:57,410 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:03:57,441 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:03:57,442 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:03:57,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:57 BoogieIcfgContainer [2023-11-06 23:03:57,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:03:57,448 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 23:03:57,449 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 23:03:57,453 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 23:03:57,454 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 23:03:57,454 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 11:03:56" (1/3) ... [2023-11-06 23:03:57,456 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d367fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 11:03:57, skipping insertion in model container [2023-11-06 23:03:57,456 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 23:03:57,457 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:56" (2/3) ... [2023-11-06 23:03:57,458 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d367fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 11:03:57, skipping insertion in model container [2023-11-06 23:03:57,458 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 23:03:57,458 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:57" (3/3) ... [2023-11-06 23:03:57,460 INFO L332 chiAutomizerObserver]: Analyzing ICFG java_Continue1-alloca.i [2023-11-06 23:03:57,544 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 23:03:57,544 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 23:03:57,544 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 23:03:57,545 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 23:03:57,545 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 23:03:57,545 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 23:03:57,545 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 23:03:57,546 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 23:03:57,550 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) [2023-11-06 23:03:57,569 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-06 23:03:57,570 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:03:57,570 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:03:57,576 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 23:03:57,576 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-06 23:03:57,577 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 23:03:57,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) [2023-11-06 23:03:57,578 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-06 23:03:57,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:03:57,579 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:03:57,579 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 23:03:57,579 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-06 23:03:57,589 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem4#1, main_#t~mem10#1, main_~i~0#1.base, main_~i~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4);call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 4#L552-3true [2023-11-06 23:03:57,589 INFO L750 eck$LassoCheckResult]: Loop: 4#L552-3true goto; 3#main_Loop~3#1true call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 9#L552-1true assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 11#L554true assume !(main_#t~mem7#1 <= 10);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(1 + main_#t~post9#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 4#L552-3true [2023-11-06 23:03:57,596 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:57,596 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-06 23:03:57,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:57,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206388319] [2023-11-06 23:03:57,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:57,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:03:57,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:03:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:03:57,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:03:57,786 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:57,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1109383, now seen corresponding path program 1 times [2023-11-06 23:03:57,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:57,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469324441] [2023-11-06 23:03:57,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:57,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:03:57,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:03:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:03:57,827 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:03:57,828 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:57,829 INFO L85 PathProgramCache]: Analyzing trace with hash 889536585, now seen corresponding path program 1 times [2023-11-06 23:03:57,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:57,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702739058] [2023-11-06 23:03:57,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:57,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:58,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:03:58,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:58,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702739058] [2023-11-06 23:03:58,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702739058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:58,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:58,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:03:58,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446478826] [2023-11-06 23:03:58,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:58,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:58,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:03:58,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:03:58,710 INFO L87 Difference]: Start difference. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:03:58,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:58,744 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-11-06 23:03:58,746 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 15 transitions. [2023-11-06 23:03:58,748 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-06 23:03:58,753 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 11 transitions. [2023-11-06 23:03:58,754 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-06 23:03:58,755 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-06 23:03:58,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11 transitions. [2023-11-06 23:03:58,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:03:58,756 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 11 transitions. [2023-11-06 23:03:58,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 11 transitions. [2023-11-06 23:03:58,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-06 23:03:58,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.1) internal successors, (11), 9 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) [2023-11-06 23:03:58,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2023-11-06 23:03:58,786 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 11 transitions. [2023-11-06 23:03:58,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:03:58,794 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 11 transitions. [2023-11-06 23:03:58,795 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 23:03:58,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 11 transitions. [2023-11-06 23:03:58,796 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-06 23:03:58,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:03:58,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:03:58,797 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-06 23:03:58,797 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 23:03:58,797 INFO L748 eck$LassoCheckResult]: Stem: 40#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 41#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem4#1, main_#t~mem10#1, main_~i~0#1.base, main_~i~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4);call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 39#L552-3 goto; 37#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 38#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 42#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 43#main_Loop~3#1 [2023-11-06 23:03:58,797 INFO L750 eck$LassoCheckResult]: Loop: 43#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 46#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 44#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 43#main_Loop~3#1 [2023-11-06 23:03:58,798 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:58,798 INFO L85 PathProgramCache]: Analyzing trace with hash 889536583, now seen corresponding path program 1 times [2023-11-06 23:03:58,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:58,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175038638] [2023-11-06 23:03:58,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:58,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:03:58,819 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:03:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:03:58,849 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:03:58,850 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:58,850 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 1 times [2023-11-06 23:03:58,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:58,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255255126] [2023-11-06 23:03:58,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:58,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:03:58,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:03:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:03:58,864 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:03:58,865 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:58,865 INFO L85 PathProgramCache]: Analyzing trace with hash 236134947, now seen corresponding path program 2 times [2023-11-06 23:03:58,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:58,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262675980] [2023-11-06 23:03:58,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:58,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:03:58,885 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:03:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:03:58,900 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:03:59,421 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:03:59,422 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:03:59,422 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:03:59,422 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:03:59,423 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 23:03:59,423 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:03:59,423 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:03:59,423 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:03:59,423 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Continue1-alloca.i_Iteration2_Lasso [2023-11-06 23:03:59,423 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:03:59,424 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:03:59,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:03:59,452 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:03:59,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:03:59,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:03:59,737 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:03:59,742 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:03:59,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:03:59,748 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:03:59,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:03:59,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:03:59,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:03:59,760 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:03:59,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:03:59,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:04:00,112 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:04:00,117 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 23:04:00,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:00,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:00,129 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:00,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:04:00,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:00,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:04:00,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:00,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:00,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:00,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:04:00,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:04:00,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 23:04:00,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:00,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:00,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:00,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:00,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:00,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:04:00,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:00,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:04:00,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:00,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:00,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:00,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:04:00,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:04:00,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 23:04:00,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:00,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:00,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:00,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:00,231 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:00,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:04:00,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:00,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:00,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:00,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:00,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 23:04:00,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:00,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:00,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:00,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:00,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:00,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:00,285 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:00,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:04:00,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:00,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:00,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:00,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:00,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:00,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:00,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:00,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 23:04:00,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:00,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:00,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:00,330 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:00,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 23:04:00,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:04:00,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:00,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:00,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:00,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:00,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:00,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:00,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:00,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:00,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:00,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:00,399 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:00,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 23:04:00,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:04:00,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:00,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:00,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:00,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:00,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:00,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:00,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:00,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:00,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:00,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:00,458 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:00,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:04:00,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:00,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:00,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:00,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:00,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 23:04:00,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:00,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:00,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:00,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:00,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:00,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:00,511 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:00,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:04:00,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:00,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:00,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:00,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:00,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:00,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:00,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 23:04:00,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:00,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:00,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:00,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:00,566 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:00,570 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 [2023-11-06 23:04:00,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:00,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:00,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:00,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:00,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 23:04:00,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:00,589 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:00,602 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 23:04:00,620 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-06 23:04:00,620 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-06 23:04:00,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:00,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:00,660 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:00,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 23:04:00,661 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 23:04:00,694 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 23:04:00,694 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 23:04:00,695 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1 + 19 Supporting invariants [] [2023-11-06 23:04:00,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:00,758 INFO L156 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2023-11-06 23:04:00,785 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:04:00,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 23:04:00,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:00,918 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 40 treesize of output 17 [2023-11-06 23:04:00,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:04:00,943 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 [2023-11-06 23:04:00,944 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 11 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:04:01,001 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 11 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 20 transitions. Complement of second has 6 states. [2023-11-06 23:04:01,002 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 [2023-11-06 23:04:01,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:04:01,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2023-11-06 23:04:01,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-06 23:04:01,006 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:04:01,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2023-11-06 23:04:01,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:04:01,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2023-11-06 23:04:01,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:04:01,007 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2023-11-06 23:04:01,011 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-06 23:04:01,012 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 20 transitions. [2023-11-06 23:04:01,012 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-06 23:04:01,013 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-06 23:04:01,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2023-11-06 23:04:01,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 23:04:01,013 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2023-11-06 23:04:01,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2023-11-06 23:04:01,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2023-11-06 23:04:01,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:04:01,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2023-11-06 23:04:01,016 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-06 23:04:01,016 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-06 23:04:01,016 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 23:04:01,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2023-11-06 23:04:01,017 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-06 23:04:01,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:04:01,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:04:01,018 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2023-11-06 23:04:01,018 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-06 23:04:01,019 INFO L748 eck$LassoCheckResult]: Stem: 167#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 168#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem4#1, main_#t~mem10#1, main_~i~0#1.base, main_~i~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4);call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 165#L552-3 goto; 161#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 162#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 169#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 174#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 175#L552-1 [2023-11-06 23:04:01,019 INFO L750 eck$LassoCheckResult]: Loop: 175#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 171#L554 assume !(main_#t~mem7#1 <= 10);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(1 + main_#t~post9#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 172#L552-3 goto; 176#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 175#L552-1 [2023-11-06 23:04:01,019 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:01,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1805830304, now seen corresponding path program 3 times [2023-11-06 23:04:01,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:01,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114261471] [2023-11-06 23:04:01,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:01,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:01,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:04:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:01,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:04:01,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:01,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1297543, now seen corresponding path program 2 times [2023-11-06 23:04:01,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:01,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246824262] [2023-11-06 23:04:01,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:01,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:01,082 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:04:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:01,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:04:01,092 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:01,092 INFO L85 PathProgramCache]: Analyzing trace with hash -707580506, now seen corresponding path program 1 times [2023-11-06 23:04:01,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:01,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162582368] [2023-11-06 23:04:01,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:01,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:01,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:01,489 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:04:01,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:04:01,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162582368] [2023-11-06 23:04:01,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162582368] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:04:01,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902058609] [2023-11-06 23:04:01,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:01,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:04:01,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:01,491 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:04:01,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 23:04:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:01,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-06 23:04:01,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:01,605 INFO L322 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-06 23:04:01,606 INFO L351 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 27 treesize of output 15 [2023-11-06 23:04:01,714 INFO L322 Elim1Store]: treesize reduction 25, result has 30.6 percent of original size [2023-11-06 23:04:01,714 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 18 [2023-11-06 23:04:01,767 INFO L351 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 17 treesize of output 9 [2023-11-06 23:04:01,771 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:04:01,772 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:04:01,850 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:04:01,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902058609] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:04:01,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:04:01,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-11-06 23:04:01,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58526628] [2023-11-06 23:04:01,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:04:01,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:04:01,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 23:04:01,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:04:01,980 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:04:02,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:04:02,101 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2023-11-06 23:04:02,101 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 32 transitions. [2023-11-06 23:04:02,102 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-06 23:04:02,103 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 24 states and 26 transitions. [2023-11-06 23:04:02,103 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-06 23:04:02,103 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-06 23:04:02,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 26 transitions. [2023-11-06 23:04:02,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 23:04:02,104 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 26 transitions. [2023-11-06 23:04:02,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 26 transitions. [2023-11-06 23:04:02,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-11-06 23:04:02,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 23 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:04:02,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2023-11-06 23:04:02,107 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 26 transitions. [2023-11-06 23:04:02,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:04:02,111 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 26 transitions. [2023-11-06 23:04:02,111 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 23:04:02,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 26 transitions. [2023-11-06 23:04:02,116 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-06 23:04:02,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:04:02,116 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:04:02,117 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 1, 1, 1] [2023-11-06 23:04:02,118 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-06 23:04:02,118 INFO L748 eck$LassoCheckResult]: Stem: 300#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 301#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem4#1, main_#t~mem10#1, main_~i~0#1.base, main_~i~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4);call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 302#L552-3 goto; 311#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 310#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 306#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 292#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 293#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 305#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 294#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 295#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 315#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 314#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 313#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 312#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 308#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 303#L552-1 [2023-11-06 23:04:02,132 INFO L750 eck$LassoCheckResult]: Loop: 303#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 304#L554 assume !(main_#t~mem7#1 <= 10);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(1 + main_#t~post9#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 296#L552-3 goto; 297#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 303#L552-1 [2023-11-06 23:04:02,133 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:02,133 INFO L85 PathProgramCache]: Analyzing trace with hash 703087812, now seen corresponding path program 4 times [2023-11-06 23:04:02,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:02,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708589783] [2023-11-06 23:04:02,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:02,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:02,159 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:04:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:02,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:04:02,178 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:02,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1297543, now seen corresponding path program 3 times [2023-11-06 23:04:02,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:02,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626023923] [2023-11-06 23:04:02,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:02,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:02,187 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:04:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:02,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:04:02,194 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:02,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1091176502, now seen corresponding path program 2 times [2023-11-06 23:04:02,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:02,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871704457] [2023-11-06 23:04:02,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:02,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:02,849 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:04:02,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:04:02,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871704457] [2023-11-06 23:04:02,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871704457] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:04:02,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197189036] [2023-11-06 23:04:02,850 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:04:02,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:04:02,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:02,851 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:04:02,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 23:04:02,970 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 23:04:02,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:04:02,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-06 23:04:02,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:02,998 INFO L351 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 0 case distinctions, treesize of input 16 treesize of output 16 [2023-11-06 23:04:03,007 INFO L351 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 [2023-11-06 23:04:03,011 INFO L351 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 [2023-11-06 23:04:03,040 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2023-11-06 23:04:03,057 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2023-11-06 23:04:03,075 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2023-11-06 23:04:03,092 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2023-11-06 23:04:03,118 INFO L351 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 17 treesize of output 9 [2023-11-06 23:04:03,123 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:04:03,124 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:04:03,285 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:04:03,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197189036] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:04:03,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:04:03,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 20 [2023-11-06 23:04:03,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774214737] [2023-11-06 23:04:03,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:04:03,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:04:03,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-06 23:04:03,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=232, Unknown=0, NotChecked=0, Total=380 [2023-11-06 23:04:03,400 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. cyclomatic complexity: 4 Second operand has 20 states, 20 states have (on average 2.4) internal successors, (48), 20 states have internal predecessors, (48), 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) [2023-11-06 23:04:03,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:04:03,633 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2023-11-06 23:04:03,633 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 56 transitions. [2023-11-06 23:04:03,636 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-06 23:04:03,637 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 42 states and 44 transitions. [2023-11-06 23:04:03,639 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-06 23:04:03,640 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-06 23:04:03,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 44 transitions. [2023-11-06 23:04:03,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 23:04:03,640 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 44 transitions. [2023-11-06 23:04:03,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 44 transitions. [2023-11-06 23:04:03,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-06 23:04:03,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.0476190476190477) internal successors, (44), 41 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) [2023-11-06 23:04:03,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2023-11-06 23:04:03,648 INFO L240 hiAutomatonCegarLoop]: Abstraction has 42 states and 44 transitions. [2023-11-06 23:04:03,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-06 23:04:03,650 INFO L428 stractBuchiCegarLoop]: Abstraction has 42 states and 44 transitions. [2023-11-06 23:04:03,651 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-06 23:04:03,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 44 transitions. [2023-11-06 23:04:03,655 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-06 23:04:03,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:04:03,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:04:03,657 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 10, 10, 1, 1, 1] [2023-11-06 23:04:03,658 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-06 23:04:03,658 INFO L748 eck$LassoCheckResult]: Stem: 527#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 528#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem4#1, main_#t~mem10#1, main_~i~0#1.base, main_~i~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4);call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 529#L552-3 goto; 539#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 538#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 533#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 519#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 520#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 560#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 521#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 522#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 532#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 534#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 559#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 558#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 557#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 556#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 555#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 554#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 553#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 552#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 551#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 550#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 549#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 548#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 547#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 546#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 545#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 544#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 543#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 542#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 541#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 540#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 536#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 530#L552-1 [2023-11-06 23:04:03,658 INFO L750 eck$LassoCheckResult]: Loop: 530#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 531#L554 assume !(main_#t~mem7#1 <= 10);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(1 + main_#t~post9#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 523#L552-3 goto; 524#main_Loop~3#1 call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 530#L552-1 [2023-11-06 23:04:03,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:03,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1598657468, now seen corresponding path program 5 times [2023-11-06 23:04:03,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:03,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303795325] [2023-11-06 23:04:03,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:03,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:03,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:04:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:03,772 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:04:03,775 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:03,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1297543, now seen corresponding path program 4 times [2023-11-06 23:04:03,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:03,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535962639] [2023-11-06 23:04:03,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:03,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:03,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:04:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:03,799 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:04:03,800 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:03,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1264869194, now seen corresponding path program 3 times [2023-11-06 23:04:03,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:03,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948792857] [2023-11-06 23:04:03,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:03,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:03,864 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:04:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:03,897 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:04:14,780 WARN L293 SmtUtils]: Spent 10.74s on a formula simplification. DAG size of input: 199 DAG size of output: 164 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:04:15,033 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:04:15,033 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:04:15,033 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:04:15,033 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:04:15,033 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 23:04:15,033 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:15,034 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:04:15,034 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:04:15,034 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Continue1-alloca.i_Iteration5_Lasso [2023-11-06 23:04:15,034 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:04:15,034 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:04:15,037 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:04:15,040 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:04:15,418 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:04:15,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:04:15,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:04:15,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:04:15,429 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:04:15,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:04:15,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:04:15,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:04:15,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:04:15,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:04:15,794 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:04:15,794 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 23:04:15,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:15,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:15,798 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:15,810 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 [2023-11-06 23:04:15,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:15,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:04:15,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:15,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:15,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:15,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:04:15,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:04:15,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 23:04:15,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:15,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:15,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:15,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:15,841 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:15,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:04:15,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:15,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:15,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:15,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:15,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-06 23:04:15,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:15,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:15,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:15,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:15,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:15,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:15,900 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:15,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-06 23:04:15,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:04:15,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:15,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:15,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:15,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:15,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:15,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:15,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:15,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:15,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:15,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:15,945 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:15,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-06 23:04:15,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:04:15,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:15,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:15,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:15,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:15,968 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:15,968 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:15,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:15,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:15,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:15,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:15,995 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:16,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:04:16,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:16,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:16,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:16,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:16,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:16,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:16,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-06 23:04:16,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:16,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:16,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:16,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:16,051 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:16,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:04:16,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:16,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:16,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:16,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:16,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:16,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:16,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-06 23:04:16,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:16,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:16,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:16,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:16,098 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:16,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-06 23:04:16,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:04:16,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:16,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:16,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:16,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:16,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:16,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:16,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:16,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:16,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:16,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:16,148 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:16,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:04:16,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-06 23:04:16,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:16,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:16,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:16,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:16,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:16,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:16,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:16,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:16,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:16,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:16,210 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:16,217 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 [2023-11-06 23:04:16,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:16,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:04:16,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:16,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:16,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:16,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:04:16,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:04:16,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-06 23:04:16,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:16,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:16,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:16,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:16,263 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:16,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:04:16,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:16,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:16,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:16,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:16,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:16,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:16,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-06 23:04:16,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:16,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:16,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:16,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:16,307 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:16,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:04:16,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:16,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:16,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:16,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:16,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-06 23:04:16,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:16,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:16,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:16,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-06 23:04:16,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:16,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:16,356 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:16,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-06 23:04:16,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:04:16,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:16,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:16,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:16,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:16,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:16,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:16,394 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 23:04:16,431 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2023-11-06 23:04:16,431 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2023-11-06 23:04:16,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:16,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:16,437 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:16,442 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 23:04:16,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-06 23:04:16,469 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-06 23:04:16,469 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 23:04:16,469 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) 0)_2) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) 0)_2 + 39 Supporting invariants [1*ULTIMATE.start_main_#t~mem4#1 - 1*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) 0)_2 >= 0] [2023-11-06 23:04:16,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:16,536 INFO L156 tatePredicateManager]: 12 out of 14 supporting invariants were superfluous and have been removed [2023-11-06 23:04:16,541 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i~0!base] could not be translated [2023-11-06 23:04:16,542 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i~0!base][0] could not be translated [2023-11-06 23:04:16,567 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:16,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 23:04:16,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:16,757 INFO L351 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 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 23:04:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:16,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 23:04:16,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:16,790 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 47 treesize of output 20 [2023-11-06 23:04:16,860 INFO L322 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2023-11-06 23:04:16,861 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 44 [2023-11-06 23:04:16,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:04:16,902 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 [2023-11-06 23:04:16,902 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 44 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2023-11-06 23:04:16,944 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 44 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 42 states and 44 transitions. Complement of second has 5 states. [2023-11-06 23:04:16,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 0 non-accepting loop states 2 accepting loop states [2023-11-06 23:04:16,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2023-11-06 23:04:16,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2023-11-06 23:04:16,947 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 5 transitions. Stem has 34 letters. Loop has 4 letters. [2023-11-06 23:04:16,947 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:04:16,947 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 23:04:16,972 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:17,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 23:04:17,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:17,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:17,200 INFO L351 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 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 23:04:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:17,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 23:04:17,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:17,228 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 47 treesize of output 20 [2023-11-06 23:04:17,289 INFO L322 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2023-11-06 23:04:17,289 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 44 [2023-11-06 23:04:17,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:04:17,324 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-06 23:04:17,324 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 44 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2023-11-06 23:04:17,372 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 44 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 68 states and 71 transitions. Complement of second has 5 states. [2023-11-06 23:04:17,372 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 [2023-11-06 23:04:17,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2023-11-06 23:04:17,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2023-11-06 23:04:17,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 34 letters. Loop has 4 letters. [2023-11-06 23:04:17,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:04:17,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 38 letters. Loop has 4 letters. [2023-11-06 23:04:17,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:04:17,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 34 letters. Loop has 8 letters. [2023-11-06 23:04:17,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:04:17,376 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 71 transitions. [2023-11-06 23:04:17,378 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 23:04:17,378 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 0 states and 0 transitions. [2023-11-06 23:04:17,378 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 23:04:17,378 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 23:04:17,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 23:04:17,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:04:17,379 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:04:17,379 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:04:17,379 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:04:17,379 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-06 23:04:17,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 23:04:17,379 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 23:04:17,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 23:04:17,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 11:04:17 BoogieIcfgContainer [2023-11-06 23:04:17,386 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 23:04:17,387 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:04:17,387 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:04:17,387 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:04:17,388 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:57" (3/4) ... [2023-11-06 23:04:17,390 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:04:17,391 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:04:17,392 INFO L158 Benchmark]: Toolchain (without parser) took 20838.54ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 68.4MB in the beginning and 105.3MB in the end (delta: -36.8MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-11-06 23:04:17,392 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:04:17,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.88ms. Allocated memory is still 115.3MB. Free memory was 68.0MB in the beginning and 52.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 23:04:17,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.74ms. Allocated memory is still 115.3MB. Free memory was 52.8MB in the beginning and 51.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:04:17,393 INFO L158 Benchmark]: Boogie Preprocessor took 25.56ms. Allocated memory is still 115.3MB. Free memory was 50.8MB in the beginning and 50.0MB in the end (delta: 860.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:04:17,393 INFO L158 Benchmark]: RCFGBuilder took 382.08ms. Allocated memory is still 115.3MB. Free memory was 49.6MB in the beginning and 86.7MB in the end (delta: -37.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-06 23:04:17,394 INFO L158 Benchmark]: BuchiAutomizer took 19938.45ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 86.6MB in the beginning and 106.3MB in the end (delta: -19.8MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2023-11-06 23:04:17,394 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 169.9MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:04:17,396 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.88ms. Allocated memory is still 115.3MB. Free memory was 68.0MB in the beginning and 52.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.74ms. Allocated memory is still 115.3MB. Free memory was 52.8MB in the beginning and 51.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.56ms. Allocated memory is still 115.3MB. Free memory was 50.8MB in the beginning and 50.0MB in the end (delta: 860.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 382.08ms. Allocated memory is still 115.3MB. Free memory was 49.6MB in the beginning and 86.7MB in the end (delta: -37.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 19938.45ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 86.6MB in the beginning and 106.3MB in the end (delta: -19.8MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 169.9MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i~0!base][0] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (19 + (-2 * *i)) and consists of 4 locations. One deterministic module has affine ranking function NULL and consists of 4 locations. 3 modules have a trivial ranking function, the largest among these consists of 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 19.8s and 6 iterations. TraceHistogramMax:11. Analysis of lassos took 18.1s. Construction of modules took 0.1s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 32 mSDtfsCounter, 131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital233 mio100 ax107 hnf100 lsp90 ukn51 mio100 lsp24 div100 bol100 ite100 ukn100 eq196 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-06 23:04:17,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:17,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:17,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330434ef-b98a-465c-bb8e-c3e5d469b170/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE