./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_monotonic.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/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_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_monotonic.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/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 32bit --witnessprinter.graph.data.programhash 5e947ce3cb6be538c3110154d89a790a98803ec545aa8464d99fb543118ea442 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:06:34,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:06:34,494 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 22:06:34,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:06:34,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:06:34,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:06:34,526 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:06:34,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:06:34,528 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:06:34,528 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:06:34,529 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:06:34,529 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:06:34,530 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:06:34,531 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:06:34,531 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:06:34,532 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:06:34,532 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:06:34,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:06:34,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:06:34,534 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:06:34,535 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:06:34,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:06:34,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:06:34,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:06:34,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:06:34,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:06:34,538 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:06:34,538 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:06:34,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:06:34,539 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:06:34,540 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:06:34,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:06:34,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:06:34,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:06:34,542 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:06:34,543 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:06:34,543 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_941047f3-1bb9-41db-98c3-8beb7590d929/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e947ce3cb6be538c3110154d89a790a98803ec545aa8464d99fb543118ea442 [2023-11-06 22:06:34,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:06:34,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:06:34,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:06:34,887 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:06:34,888 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:06:34,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/array-industry-pattern/array_monotonic.i [2023-11-06 22:06:38,041 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:06:38,327 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:06:38,328 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/sv-benchmarks/c/array-industry-pattern/array_monotonic.i [2023-11-06 22:06:38,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/data/24057894c/010d8b3f29564ac8a791684a4a2f7361/FLAGcb0ed2536 [2023-11-06 22:06:38,356 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/data/24057894c/010d8b3f29564ac8a791684a4a2f7361 [2023-11-06 22:06:38,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:06:38,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:06:38,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:38,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:06:38,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:06:38,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:38" (1/1) ... [2023-11-06 22:06:38,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6128c578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:38, skipping insertion in model container [2023-11-06 22:06:38,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:38" (1/1) ... [2023-11-06 22:06:38,396 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:06:38,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:38,553 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:06:38,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:38,579 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:06:38,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:38 WrapperNode [2023-11-06 22:06:38,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:38,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:38,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:06:38,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:06:38,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:38" (1/1) ... [2023-11-06 22:06:38,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:38" (1/1) ... [2023-11-06 22:06:38,613 INFO L138 Inliner]: procedures = 16, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2023-11-06 22:06:38,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:38,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:06:38,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:06:38,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:06:38,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:38" (1/1) ... [2023-11-06 22:06:38,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:38" (1/1) ... [2023-11-06 22:06:38,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:38" (1/1) ... [2023-11-06 22:06:38,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:38" (1/1) ... [2023-11-06 22:06:38,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:38" (1/1) ... [2023-11-06 22:06:38,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:38" (1/1) ... [2023-11-06 22:06:38,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:38" (1/1) ... [2023-11-06 22:06:38,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:38" (1/1) ... [2023-11-06 22:06:38,641 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:06:38,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:06:38,642 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:06:38,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:06:38,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:38" (1/1) ... [2023-11-06 22:06:38,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:38,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:38,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:38,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:06:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:06:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:06:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:06:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:06:38,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:06:38,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:06:38,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:06:38,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:06:38,795 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:06:38,797 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:06:38,937 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:06:38,943 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:06:38,944 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:06:38,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:38 BoogieIcfgContainer [2023-11-06 22:06:38,946 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:06:38,947 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:06:38,947 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:06:38,951 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:06:38,952 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:06:38,952 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:06:38" (1/3) ... [2023-11-06 22:06:38,953 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65d0853d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:06:38, skipping insertion in model container [2023-11-06 22:06:38,953 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:06:38,953 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:38" (2/3) ... [2023-11-06 22:06:38,954 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65d0853d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:06:38, skipping insertion in model container [2023-11-06 22:06:38,954 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:06:38,954 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:38" (3/3) ... [2023-11-06 22:06:38,955 INFO L332 chiAutomizerObserver]: Analyzing ICFG array_monotonic.i [2023-11-06 22:06:39,014 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:06:39,014 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:06:39,014 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:06:39,014 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:06:39,015 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:06:39,015 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:06:39,015 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:06:39,015 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:06:39,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:39,033 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2023-11-06 22:06:39,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:06:39,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:06:39,039 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:06:39,039 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:06:39,039 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:06:39,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:39,041 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2023-11-06 22:06:39,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:06:39,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:06:39,042 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:06:39,042 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:06:39,047 INFO L748 eck$LassoCheckResult]: Stem: 15#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_#t~mem4#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 12#L20-3true [2023-11-06 22:06:39,048 INFO L750 eck$LassoCheckResult]: Loop: 12#L20-3true assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 16#L23true assume 10 == main_#t~mem2#1;havoc main_#t~mem2#1;call write~int(20, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~0#1, 4); 13#L20-2true main_~i~0#1 := 2 + main_~i~0#1; 12#L20-3true [2023-11-06 22:06:39,052 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:39,053 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-06 22:06:39,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:39,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974060815] [2023-11-06 22:06:39,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:39,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:39,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:06:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:39,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:06:39,204 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:39,204 INFO L85 PathProgramCache]: Analyzing trace with hash 39821, now seen corresponding path program 1 times [2023-11-06 22:06:39,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:39,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813958640] [2023-11-06 22:06:39,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:39,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:39,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:06:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:39,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:06:39,246 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:39,246 INFO L85 PathProgramCache]: Analyzing trace with hash 28698763, now seen corresponding path program 1 times [2023-11-06 22:06:39,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:39,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737802798] [2023-11-06 22:06:39,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:39,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:39,325 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:06:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:39,396 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:06:39,955 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:06:39,955 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:06:39,956 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:06:39,956 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:06:39,956 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:06:39,957 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:39,957 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:06:39,957 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:06:39,957 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_monotonic.i_Iteration1_Lasso [2023-11-06 22:06:39,957 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:06:39,958 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:06:39,979 INFO 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 22:06:39,990 INFO 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 22:06:39,994 INFO 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 22:06:40,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:06:40,421 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 22:06:40,424 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:06:40,739 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:06:40,746 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:06:40,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:40,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:40,749 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:40,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:06:40,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:06:40,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:40,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:06:40,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:40,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:40,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:40,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:06:40,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:06:40,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:40,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-06 22:06:40,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:40,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:40,795 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:40,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:06:40,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:40,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:40,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:06:40,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:40,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:40,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:40,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:06:40,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:06:40,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:40,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:40,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:40,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:40,848 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:40,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:40,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:40,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:40,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:40,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:40,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:40,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:40,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:06:40,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:40,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:40,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:40,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:40,901 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:40,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:06:40,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:06:40,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:40,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:06:40,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:40,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:40,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:40,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:06:40,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:06:40,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:40,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:40,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:40,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:40,947 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:40,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:40,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 22:06:40,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:40,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:40,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:40,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:40,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:40,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:40,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:40,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:40,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:40,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:40,999 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:41,008 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 22:06:41,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:41,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:41,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:41,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:41,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:41,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:41,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:06:41,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:41,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:41,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:41,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:41,055 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:41,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:41,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:41,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:41,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:41,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:41,082 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:41,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:41,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:06:41,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:41,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:41,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:41,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:41,110 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:41,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:41,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:41,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:41,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:41,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:41,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:06:41,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:41,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:41,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:41,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:41,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:41,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:41,163 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:41,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:41,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:41,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:41,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:41,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:41,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 22:06:41,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:41,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:41,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:41,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:41,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:41,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:41,218 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:41,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:41,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:41,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:41,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:41,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:41,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:41,247 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:41,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:06:41,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:41,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:41,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:41,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:41,271 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:41,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:41,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:41,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:41,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:41,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 22:06:41,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:41,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:41,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:41,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:41,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:41,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:41,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:41,334 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:41,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 22:06:41,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:41,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:41,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:41,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:41,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:41,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:41,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:41,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:41,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:41,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:41,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:41,379 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:41,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:41,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:41,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:41,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:41,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:41,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 22:06:41,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:41,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:41,431 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:06:41,468 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2023-11-06 22:06:41,468 INFO L444 ModelExtractionUtils]: 0 out of 19 variables were initially zero. Simplification set additionally 16 variables to zero. [2023-11-06 22:06:41,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:41,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:41,505 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:41,512 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:06:41,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-06 22:06:41,542 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 22:06:41,542 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:06:41,543 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#b~0#1.base)_1) = -1*ULTIMATE.start_main_~i~0#1 + 25000*v_rep(select #length ULTIMATE.start_main_~#b~0#1.base)_1 Supporting invariants [] [2023-11-06 22:06:41,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:41,601 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2023-11-06 22:06:41,611 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#b~0!base] could not be translated [2023-11-06 22:06:41,629 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:41,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:06:41,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:41,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:06:41,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:41,729 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 22:06:41,761 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-06 22:06:41,764 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:41,832 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 61 transitions. Complement of second has 10 states. [2023-11-06 22:06:41,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-06 22:06:41,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:41,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 29 transitions. [2023-11-06 22:06:41,841 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 2 letters. Loop has 3 letters. [2023-11-06 22:06:41,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:06:41,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 5 letters. Loop has 3 letters. [2023-11-06 22:06:41,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:06:41,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 2 letters. Loop has 6 letters. [2023-11-06 22:06:41,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:06:41,843 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 61 transitions. [2023-11-06 22:06:41,847 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2023-11-06 22:06:41,850 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 22 states and 31 transitions. [2023-11-06 22:06:41,852 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-06 22:06:41,852 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-06 22:06:41,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 31 transitions. [2023-11-06 22:06:41,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:06:41,853 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2023-11-06 22:06:41,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 31 transitions. [2023-11-06 22:06:41,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2023-11-06 22:06:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2023-11-06 22:06:41,880 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2023-11-06 22:06:41,880 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2023-11-06 22:06:41,880 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:06:41,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2023-11-06 22:06:41,881 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2023-11-06 22:06:41,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:06:41,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:06:41,882 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-06 22:06:41,882 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:06:41,882 INFO L748 eck$LassoCheckResult]: Stem: 167#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 152#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_#t~mem4#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 153#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 160#L23 [2023-11-06 22:06:41,882 INFO L750 eck$LassoCheckResult]: Loop: 160#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 163#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 159#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 160#L23 [2023-11-06 22:06:41,883 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:41,883 INFO L85 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2023-11-06 22:06:41,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:41,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276148470] [2023-11-06 22:06:41,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:41,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:41,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:06:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:41,915 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:06:41,916 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:41,916 INFO L85 PathProgramCache]: Analyzing trace with hash 44743, now seen corresponding path program 1 times [2023-11-06 22:06:41,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:41,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120097575] [2023-11-06 22:06:41,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:41,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:41,923 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:06:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:41,930 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:06:41,931 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:41,931 INFO L85 PathProgramCache]: Analyzing trace with hash 889663585, now seen corresponding path program 1 times [2023-11-06 22:06:41,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:41,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800987632] [2023-11-06 22:06:41,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:41,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:41,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:06:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:41,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:06:42,318 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:06:42,319 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:06:42,319 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:06:42,319 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:06:42,319 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:06:42,319 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:42,319 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:06:42,319 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:06:42,319 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_monotonic.i_Iteration2_Lasso [2023-11-06 22:06:42,319 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:06:42,319 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:06:42,322 INFO 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 22:06:42,326 INFO 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 22:06:42,329 INFO 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 22:06:42,331 INFO 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 22:06:42,334 INFO 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 22:06:42,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:42,669 INFO 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 22:06:42,965 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:06:42,966 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:06:42,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:42,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:42,967 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:42,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:42,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:42,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:42,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:42,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:42,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-06 22:06:42,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:42,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:43,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:43,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:43,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:43,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:43,017 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:43,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:43,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:43,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:06:43,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:43,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:43,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:43,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:06:43,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:06:43,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-06 22:06:43,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:43,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:43,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:43,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:43,058 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:43,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:06:43,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:43,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:06:43,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:43,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:43,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:43,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:06:43,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:06:43,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-06 22:06:43,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:43,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:43,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:43,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:43,116 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:43,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:43,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:43,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:06:43,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:43,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:43,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:43,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:06:43,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:06:43,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-06 22:06:43,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:43,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:43,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:43,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:43,162 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:43,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-06 22:06:43,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:43,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:43,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:43,185 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-06 22:06:43,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:43,194 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-06 22:06:43,195 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-06 22:06:43,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:43,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:43,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:43,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:43,230 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:43,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-06 22:06:43,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:06:43,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:43,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:43,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:43,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:43,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:43,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:43,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:43,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:43,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:43,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:43,282 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:43,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:43,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:43,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:43,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:43,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:43,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:43,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:43,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-06 22:06:43,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:43,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:43,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:43,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:43,334 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:43,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:06:43,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:43,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:43,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:43,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:43,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:43,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:43,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-06 22:06:43,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:43,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:43,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:43,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:43,373 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:43,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:43,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-06 22:06:43,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:43,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:43,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:43,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:43,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:43,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:43,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:43,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:43,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:43,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:43,414 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:43,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:43,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:43,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:43,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:43,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:43,432 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:43,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:43,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-06 22:06:43,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:43,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:43,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:43,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:43,470 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:43,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:43,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-06 22:06:43,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:43,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:43,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:43,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:43,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:43,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:43,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:43,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-06 22:06:43,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:43,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:43,496 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:43,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-06 22:06:43,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:06:43,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:43,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:43,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:43,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:43,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:43,517 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:43,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:43,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:43,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:43,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:43,546 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:43,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:43,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:43,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:43,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:43,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:43,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:43,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:43,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-06 22:06:43,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:43,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:43,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:43,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:43,580 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:43,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:43,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-06 22:06:43,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:43,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:43,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:43,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:43,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:43,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:43,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:43,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:43,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:43,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:43,626 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:43,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:06:43,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-06 22:06:43,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:43,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:43,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:43,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:43,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:43,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:43,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:06:43,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:43,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:43,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:43,672 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:43,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 22:06:43,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:06:43,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:06:43,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:06:43,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:06:43,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-06 22:06:43,694 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:06:43,694 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:06:43,706 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:06:43,724 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-06 22:06:43,724 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-06 22:06:43,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:06:43,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:43,725 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:43,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-06 22:06:43,730 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:06:43,747 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 22:06:43,747 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:06:43,747 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 99998 Supporting invariants [] [2023-11-06 22:06:43,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:43,777 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2023-11-06 22:06:43,791 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:43,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:06:43,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:43,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:06:43,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:43,835 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 22:06:43,836 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 22:06:43,836 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:43,865 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 62 transitions. Complement of second has 8 states. [2023-11-06 22:06:43,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 22:06:43,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:43,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2023-11-06 22:06:43,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 3 letters. Loop has 3 letters. [2023-11-06 22:06:43,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:06:43,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-06 22:06:43,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:06:43,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 3 letters. Loop has 6 letters. [2023-11-06 22:06:43,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:06:43,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 62 transitions. [2023-11-06 22:06:43,871 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2023-11-06 22:06:43,872 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 31 states and 42 transitions. [2023-11-06 22:06:43,872 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2023-11-06 22:06:43,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2023-11-06 22:06:43,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 42 transitions. [2023-11-06 22:06:43,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:06:43,873 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 42 transitions. [2023-11-06 22:06:43,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 42 transitions. [2023-11-06 22:06:43,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2023-11-06 22:06:43,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 28 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:43,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2023-11-06 22:06:43,877 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 40 transitions. [2023-11-06 22:06:43,877 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 40 transitions. [2023-11-06 22:06:43,877 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:06:43,877 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 40 transitions. [2023-11-06 22:06:43,878 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2023-11-06 22:06:43,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:06:43,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:06:43,879 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-06 22:06:43,879 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:06:43,879 INFO L748 eck$LassoCheckResult]: Stem: 308#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 293#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_#t~mem4#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 294#L20-3 assume !(main_~i~0#1 < 100000); 295#L20-4 main_~i~0#1 := 0; 296#L26-3 [2023-11-06 22:06:43,880 INFO L750 eck$LassoCheckResult]: Loop: 296#L26-3 assume !!(main_~i~0#1 < 100000);call main_#t~mem3#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 306#L28 assume !(10 == main_#t~mem3#1);havoc main_#t~mem3#1; 292#L26-2 main_~i~0#1 := 2 + main_~i~0#1; 296#L26-3 [2023-11-06 22:06:43,880 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:43,880 INFO L85 PathProgramCache]: Analyzing trace with hash 925712, now seen corresponding path program 1 times [2023-11-06 22:06:43,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:43,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403766335] [2023-11-06 22:06:43,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:43,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:43,938 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 22:06:43,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:43,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403766335] [2023-11-06 22:06:43,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403766335] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:43,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:43,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:06:43,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574733226] [2023-11-06 22:06:43,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:43,943 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:06:43,943 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:43,943 INFO L85 PathProgramCache]: Analyzing trace with hash 59262, now seen corresponding path program 1 times [2023-11-06 22:06:43,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:43,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92201436] [2023-11-06 22:06:43,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:43,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:43,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:06:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:43,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:06:44,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:44,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:44,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:44,005 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:44,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:44,035 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2023-11-06 22:06:44,035 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2023-11-06 22:06:44,037 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:06:44,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 31 states and 42 transitions. [2023-11-06 22:06:44,038 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-06 22:06:44,038 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-06 22:06:44,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 42 transitions. [2023-11-06 22:06:44,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:06:44,038 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 42 transitions. [2023-11-06 22:06:44,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 42 transitions. [2023-11-06 22:06:44,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 20. [2023-11-06 22:06:44,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.35) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:44,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2023-11-06 22:06:44,041 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2023-11-06 22:06:44,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:44,043 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2023-11-06 22:06:44,043 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 22:06:44,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2023-11-06 22:06:44,044 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:06:44,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:06:44,044 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:06:44,045 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:44,045 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:06:44,045 INFO L748 eck$LassoCheckResult]: Stem: 373#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 374#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_#t~mem4#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 363#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 364#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 368#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 369#L20-3 assume !(main_~i~0#1 < 100000); 376#L20-4 main_~i~0#1 := 0; 362#L26-3 [2023-11-06 22:06:44,045 INFO L750 eck$LassoCheckResult]: Loop: 362#L26-3 assume !!(main_~i~0#1 < 100000);call main_#t~mem3#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 372#L28 assume !(10 == main_#t~mem3#1);havoc main_#t~mem3#1; 361#L26-2 main_~i~0#1 := 2 + main_~i~0#1; 362#L26-3 [2023-11-06 22:06:44,046 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:44,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1809767318, now seen corresponding path program 1 times [2023-11-06 22:06:44,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:44,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019930903] [2023-11-06 22:06:44,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:44,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:44,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:44,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:44,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019930903] [2023-11-06 22:06:44,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019930903] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:06:44,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590713168] [2023-11-06 22:06:44,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:44,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:44,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:44,109 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:44,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2023-11-06 22:06:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:44,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:06:44,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:44,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:44,181 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:06:44,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:44,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590713168] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:06:44,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:06:44,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-06 22:06:44,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51030771] [2023-11-06 22:06:44,202 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:06:44,203 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:06:44,203 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:44,203 INFO L85 PathProgramCache]: Analyzing trace with hash 59262, now seen corresponding path program 2 times [2023-11-06 22:06:44,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:44,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079712961] [2023-11-06 22:06:44,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:44,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:44,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:06:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:44,213 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:06:44,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:44,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:44,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:06:44,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:06:44,285 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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 22:06:44,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:44,356 INFO L93 Difference]: Finished difference Result 68 states and 89 transitions. [2023-11-06 22:06:44,357 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 89 transitions. [2023-11-06 22:06:44,359 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:06:44,361 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 62 states and 78 transitions. [2023-11-06 22:06:44,361 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2023-11-06 22:06:44,362 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2023-11-06 22:06:44,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 78 transitions. [2023-11-06 22:06:44,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:06:44,362 INFO L218 hiAutomatonCegarLoop]: Abstraction has 62 states and 78 transitions. [2023-11-06 22:06:44,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 78 transitions. [2023-11-06 22:06:44,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 40. [2023-11-06 22:06:44,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.3) internal successors, (52), 39 states have internal predecessors, (52), 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 22:06:44,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 52 transitions. [2023-11-06 22:06:44,367 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 52 transitions. [2023-11-06 22:06:44,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:06:44,368 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 52 transitions. [2023-11-06 22:06:44,369 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-06 22:06:44,369 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 52 transitions. [2023-11-06 22:06:44,370 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:06:44,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:06:44,370 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:06:44,371 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 1, 1, 1, 1] [2023-11-06 22:06:44,371 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:06:44,371 INFO L748 eck$LassoCheckResult]: Stem: 506#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 507#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_#t~mem4#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 497#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 498#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 508#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 529#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 525#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 523#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 521#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 519#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 514#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 517#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 513#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 502#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 503#L20-3 assume !(main_~i~0#1 < 100000); 511#L20-4 main_~i~0#1 := 0; 496#L26-3 [2023-11-06 22:06:44,371 INFO L750 eck$LassoCheckResult]: Loop: 496#L26-3 assume !!(main_~i~0#1 < 100000);call main_#t~mem3#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 505#L28 assume !(10 == main_#t~mem3#1);havoc main_#t~mem3#1; 495#L26-2 main_~i~0#1 := 2 + main_~i~0#1; 496#L26-3 [2023-11-06 22:06:44,372 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:44,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1825864560, now seen corresponding path program 2 times [2023-11-06 22:06:44,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:44,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777316564] [2023-11-06 22:06:44,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:44,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:44,526 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:44,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:44,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777316564] [2023-11-06 22:06:44,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777316564] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:06:44,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472447283] [2023-11-06 22:06:44,526 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:06:44,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:44,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:44,529 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:44,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2023-11-06 22:06:44,606 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:06:44,607 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:06:44,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:06:44,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:44,647 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:44,648 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:06:44,735 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:44,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472447283] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:06:44,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:06:44,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2023-11-06 22:06:44,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733142123] [2023-11-06 22:06:44,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:06:44,736 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:06:44,737 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:44,737 INFO L85 PathProgramCache]: Analyzing trace with hash 59262, now seen corresponding path program 3 times [2023-11-06 22:06:44,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:44,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773111219] [2023-11-06 22:06:44,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:44,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:44,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:06:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:44,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:06:44,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:44,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:06:44,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:06:44,790 INFO L87 Difference]: Start difference. First operand 40 states and 52 transitions. cyclomatic complexity: 15 Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 22:06:44,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:44,947 INFO L93 Difference]: Finished difference Result 158 states and 204 transitions. [2023-11-06 22:06:44,947 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 158 states and 204 transitions. [2023-11-06 22:06:44,950 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:06:44,952 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 158 states to 146 states and 180 transitions. [2023-11-06 22:06:44,953 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 67 [2023-11-06 22:06:44,953 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 67 [2023-11-06 22:06:44,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 146 states and 180 transitions. [2023-11-06 22:06:44,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:06:44,954 INFO L218 hiAutomatonCegarLoop]: Abstraction has 146 states and 180 transitions. [2023-11-06 22:06:44,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states and 180 transitions. [2023-11-06 22:06:44,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 94. [2023-11-06 22:06:44,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 94 states have (on average 1.2553191489361701) internal successors, (118), 93 states have internal predecessors, (118), 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 22:06:44,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 118 transitions. [2023-11-06 22:06:44,962 INFO L240 hiAutomatonCegarLoop]: Abstraction has 94 states and 118 transitions. [2023-11-06 22:06:44,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:06:44,963 INFO L428 stractBuchiCegarLoop]: Abstraction has 94 states and 118 transitions. [2023-11-06 22:06:44,964 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-06 22:06:44,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states and 118 transitions. [2023-11-06 22:06:44,965 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:06:44,965 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:06:44,966 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:06:44,967 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 1, 1, 1, 1] [2023-11-06 22:06:44,967 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:06:44,967 INFO L748 eck$LassoCheckResult]: Stem: 810#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 811#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_#t~mem4#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 801#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 802#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 808#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 804#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 805#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 884#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 882#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 880#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 879#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 878#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 869#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 866#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 864#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 862#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 861#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 860#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 851#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 848#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 846#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 844#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 843#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 842#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 833#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 830#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 828#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 826#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 819#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 821#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 820#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 806#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 807#L20-3 assume !(main_~i~0#1 < 100000); 814#L20-4 main_~i~0#1 := 0; 800#L26-3 [2023-11-06 22:06:44,967 INFO L750 eck$LassoCheckResult]: Loop: 800#L26-3 assume !!(main_~i~0#1 < 100000);call main_#t~mem3#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 809#L28 assume !(10 == main_#t~mem3#1);havoc main_#t~mem3#1; 799#L26-2 main_~i~0#1 := 2 + main_~i~0#1; 800#L26-3 [2023-11-06 22:06:44,968 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:44,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1205177520, now seen corresponding path program 3 times [2023-11-06 22:06:44,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:44,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099234690] [2023-11-06 22:06:44,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:44,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:45,248 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:45,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:45,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099234690] [2023-11-06 22:06:45,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099234690] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:06:45,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855922118] [2023-11-06 22:06:45,249 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:06:45,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:45,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:45,256 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:45,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2023-11-06 22:06:45,435 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-06 22:06:45,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:06:45,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 22:06:45,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:45,521 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:45,522 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:06:45,825 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:45,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855922118] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:06:45,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:06:45,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2023-11-06 22:06:45,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522299296] [2023-11-06 22:06:45,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:06:45,826 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:06:45,827 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:45,827 INFO L85 PathProgramCache]: Analyzing trace with hash 59262, now seen corresponding path program 4 times [2023-11-06 22:06:45,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:45,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364944177] [2023-11-06 22:06:45,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:45,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:45,833 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:06:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:45,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:06:45,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:45,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-06 22:06:45,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2023-11-06 22:06:45,887 INFO L87 Difference]: Start difference. First operand 94 states and 118 transitions. cyclomatic complexity: 27 Second operand has 25 states, 25 states have (on average 2.8) internal successors, (70), 25 states have internal predecessors, (70), 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 22:06:46,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:46,266 INFO L93 Difference]: Finished difference Result 338 states and 432 transitions. [2023-11-06 22:06:46,266 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 338 states and 432 transitions. [2023-11-06 22:06:46,271 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:06:46,275 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 338 states to 314 states and 384 transitions. [2023-11-06 22:06:46,275 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2023-11-06 22:06:46,276 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2023-11-06 22:06:46,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 314 states and 384 transitions. [2023-11-06 22:06:46,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:06:46,276 INFO L218 hiAutomatonCegarLoop]: Abstraction has 314 states and 384 transitions. [2023-11-06 22:06:46,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states and 384 transitions. [2023-11-06 22:06:46,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 202. [2023-11-06 22:06:46,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 202 states have (on average 1.2376237623762376) internal successors, (250), 201 states have internal predecessors, (250), 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 22:06:46,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 250 transitions. [2023-11-06 22:06:46,292 INFO L240 hiAutomatonCegarLoop]: Abstraction has 202 states and 250 transitions. [2023-11-06 22:06:46,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:06:46,294 INFO L428 stractBuchiCegarLoop]: Abstraction has 202 states and 250 transitions. [2023-11-06 22:06:46,294 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-06 22:06:46,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 202 states and 250 transitions. [2023-11-06 22:06:46,296 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:06:46,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:06:46,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:06:46,299 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [22, 22, 22, 1, 1, 1, 1] [2023-11-06 22:06:46,299 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:06:46,299 INFO L748 eck$LassoCheckResult]: Stem: 1468#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 1469#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_#t~mem4#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 1459#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1460#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1466#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1462#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1463#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1470#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1655#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1653#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1652#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1651#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1649#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1648#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1647#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1645#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1644#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1643#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1641#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1640#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1639#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1637#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1636#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1635#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1633#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1631#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1630#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1626#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1623#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1621#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1611#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1608#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1606#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1596#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1593#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1591#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1581#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1578#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1576#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1567#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1565#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1563#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1554#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1552#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1550#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1541#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1539#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1537#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1530#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1527#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1525#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1515#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1513#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1511#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1509#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1508#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1507#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1498#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1495#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1492#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1488#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1486#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1483#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1481#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1476#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1479#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1475#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1464#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1465#L20-3 assume !(main_~i~0#1 < 100000); 1471#L20-4 main_~i~0#1 := 0; 1458#L26-3 [2023-11-06 22:06:46,300 INFO L750 eck$LassoCheckResult]: Loop: 1458#L26-3 assume !!(main_~i~0#1 < 100000);call main_#t~mem3#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1467#L28 assume !(10 == main_#t~mem3#1);havoc main_#t~mem3#1; 1457#L26-2 main_~i~0#1 := 2 + main_~i~0#1; 1458#L26-3 [2023-11-06 22:06:46,300 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:46,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1121042640, now seen corresponding path program 4 times [2023-11-06 22:06:46,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:46,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462691196] [2023-11-06 22:06:46,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:46,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:47,184 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:47,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:47,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462691196] [2023-11-06 22:06:47,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462691196] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:06:47,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914929639] [2023-11-06 22:06:47,186 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-06 22:06:47,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:47,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:47,190 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:47,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2023-11-06 22:06:47,339 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-06 22:06:47,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:06:47,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 22:06:47,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:47,475 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:06:48,543 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:48,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914929639] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:06:48,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:06:48,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 49 [2023-11-06 22:06:48,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613062483] [2023-11-06 22:06:48,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:06:48,545 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:06:48,546 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:48,546 INFO L85 PathProgramCache]: Analyzing trace with hash 59262, now seen corresponding path program 5 times [2023-11-06 22:06:48,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:48,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218124664] [2023-11-06 22:06:48,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:48,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:48,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:06:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:48,554 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:06:48,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:48,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-11-06 22:06:48,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2023-11-06 22:06:48,600 INFO L87 Difference]: Start difference. First operand 202 states and 250 transitions. cyclomatic complexity: 51 Second operand has 49 states, 49 states have (on average 2.8979591836734695) internal successors, (142), 49 states have internal predecessors, (142), 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 22:06:49,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:49,524 INFO L93 Difference]: Finished difference Result 698 states and 888 transitions. [2023-11-06 22:06:49,525 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 698 states and 888 transitions. [2023-11-06 22:06:49,533 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:06:49,539 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 698 states to 650 states and 792 transitions. [2023-11-06 22:06:49,539 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 283 [2023-11-06 22:06:49,539 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 283 [2023-11-06 22:06:49,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 650 states and 792 transitions. [2023-11-06 22:06:49,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:06:49,540 INFO L218 hiAutomatonCegarLoop]: Abstraction has 650 states and 792 transitions. [2023-11-06 22:06:49,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states and 792 transitions. [2023-11-06 22:06:49,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 418. [2023-11-06 22:06:49,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 418 states have (on average 1.229665071770335) internal successors, (514), 417 states have internal predecessors, (514), 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 22:06:49,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 514 transitions. [2023-11-06 22:06:49,562 INFO L240 hiAutomatonCegarLoop]: Abstraction has 418 states and 514 transitions. [2023-11-06 22:06:49,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-06 22:06:49,563 INFO L428 stractBuchiCegarLoop]: Abstraction has 418 states and 514 transitions. [2023-11-06 22:06:49,563 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-06 22:06:49,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 418 states and 514 transitions. [2023-11-06 22:06:49,568 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:06:49,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:06:49,568 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:06:49,574 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [46, 46, 46, 1, 1, 1, 1] [2023-11-06 22:06:49,574 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:06:49,574 INFO L748 eck$LassoCheckResult]: Stem: 2835#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 2836#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_#t~mem4#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 2825#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2826#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2837#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3234#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3231#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3228#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3225#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3222#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3218#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3215#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3212#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3209#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3206#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3203#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3200#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3197#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3194#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3191#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3188#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3185#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3182#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3179#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3176#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3173#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3171#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3168#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3165#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3162#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3159#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3155#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3152#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3149#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3146#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3143#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3140#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3137#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3134#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3131#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3128#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3125#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3122#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3119#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3116#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3113#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3110#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3107#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3104#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3101#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3098#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3095#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3092#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3090#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3087#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3084#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3081#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3078#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3074#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3071#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3068#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3065#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3062#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3059#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3056#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3053#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3050#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3047#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3044#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3041#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3038#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3035#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3032#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3029#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3026#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3023#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3020#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3017#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3014#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3011#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3008#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3005#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3002#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2999#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2996#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2993#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2990#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2987#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2984#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2981#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2978#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2976#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2975#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2973#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2972#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2971#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2969#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2968#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2967#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2965#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2964#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2963#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2962#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2958#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2956#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2952#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2949#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2947#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2943#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2940#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2938#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2935#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2932#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2930#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2920#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2917#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2915#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2905#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2903#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2901#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2894#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2891#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2889#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2880#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2878#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2876#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2874#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2873#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2872#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2864#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2861#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2858#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2854#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2852#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2850#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2848#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2843#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2846#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2842#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2830#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2831#L20-3 assume !(main_~i~0#1 < 100000); 2840#L20-4 main_~i~0#1 := 0; 2824#L26-3 [2023-11-06 22:06:49,575 INFO L750 eck$LassoCheckResult]: Loop: 2824#L26-3 assume !!(main_~i~0#1 < 100000);call main_#t~mem3#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2834#L28 assume !(10 == main_#t~mem3#1);havoc main_#t~mem3#1; 2823#L26-2 main_~i~0#1 := 2 + main_~i~0#1; 2824#L26-3 [2023-11-06 22:06:49,575 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:49,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1788222416, now seen corresponding path program 5 times [2023-11-06 22:06:49,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:49,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189259876] [2023-11-06 22:06:49,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:49,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:52,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3151 backedges. 0 proven. 3151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:52,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:52,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189259876] [2023-11-06 22:06:52,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189259876] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:06:52,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055545710] [2023-11-06 22:06:52,404 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-06 22:06:52,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:52,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:52,408 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:52,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2023-11-06 22:06:57,559 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-11-06 22:06:57,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:06:57,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-06 22:06:57,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:57,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3151 backedges. 0 proven. 3151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:57,865 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:07:01,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3151 backedges. 0 proven. 3151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:01,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055545710] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:07:01,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:07:01,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 97 [2023-11-06 22:07:01,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942081414] [2023-11-06 22:07:01,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:07:01,718 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:07:01,718 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:01,718 INFO L85 PathProgramCache]: Analyzing trace with hash 59262, now seen corresponding path program 6 times [2023-11-06 22:07:01,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:01,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708241909] [2023-11-06 22:07:01,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:01,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:07:01,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:07:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:07:01,733 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:07:01,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:01,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2023-11-06 22:07:01,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2023-11-06 22:07:01,798 INFO L87 Difference]: Start difference. First operand 418 states and 514 transitions. cyclomatic complexity: 99 Second operand has 97 states, 97 states have (on average 2.948453608247423) internal successors, (286), 97 states have internal predecessors, (286), 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 22:07:05,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:05,973 INFO L93 Difference]: Finished difference Result 1418 states and 1800 transitions. [2023-11-06 22:07:05,973 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1418 states and 1800 transitions. [2023-11-06 22:07:05,987 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:07:05,998 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1418 states to 1322 states and 1608 transitions. [2023-11-06 22:07:05,999 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 571 [2023-11-06 22:07:05,999 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 571 [2023-11-06 22:07:06,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1322 states and 1608 transitions. [2023-11-06 22:07:06,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:07:06,000 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1322 states and 1608 transitions. [2023-11-06 22:07:06,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1322 states and 1608 transitions. [2023-11-06 22:07:06,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1322 to 850. [2023-11-06 22:07:06,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 850 states have (on average 1.2258823529411764) internal successors, (1042), 849 states have internal predecessors, (1042), 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 22:07:06,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1042 transitions. [2023-11-06 22:07:06,028 INFO L240 hiAutomatonCegarLoop]: Abstraction has 850 states and 1042 transitions. [2023-11-06 22:07:06,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-11-06 22:07:06,029 INFO L428 stractBuchiCegarLoop]: Abstraction has 850 states and 1042 transitions. [2023-11-06 22:07:06,029 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-06 22:07:06,030 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 850 states and 1042 transitions. [2023-11-06 22:07:06,036 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:07:06,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:07:06,036 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:07:06,043 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [94, 94, 94, 1, 1, 1, 1] [2023-11-06 22:07:06,043 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:07:06,044 INFO L748 eck$LassoCheckResult]: Stem: 5617#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 5618#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_#t~mem4#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 5607#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5608#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5619#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6448#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6444#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6441#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6438#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6435#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6432#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6430#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6427#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6424#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6421#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6418#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6414#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6411#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6408#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6405#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6402#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6399#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6396#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6393#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6390#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6387#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6384#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6381#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6378#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6375#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6372#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6369#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6366#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6363#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6360#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6357#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6354#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6351#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6348#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6345#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6342#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6339#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6336#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6333#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6330#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6327#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6324#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6321#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6318#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6315#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6312#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6309#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6306#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6303#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6300#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6297#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6294#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6291#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6288#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6286#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6283#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6280#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6277#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6274#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6270#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6267#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6264#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6261#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6258#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6255#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6252#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6249#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6246#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6243#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6240#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6237#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6234#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6231#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6228#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6225#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6222#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6219#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6216#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6213#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6210#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6207#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6204#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6201#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6198#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6195#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6192#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6189#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6186#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6183#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6180#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6177#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6174#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6171#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6168#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6165#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6162#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6159#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6156#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6153#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6150#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6147#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6144#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6142#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6139#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6136#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6133#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6130#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6126#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6123#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6120#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6117#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6114#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6111#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6108#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6105#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6102#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6099#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6096#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6093#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6090#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6087#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6084#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6081#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6078#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6075#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6072#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6069#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6066#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6063#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6060#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6057#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6054#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6051#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6048#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6045#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6042#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6039#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6036#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6033#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6030#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6027#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6024#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6021#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6018#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6015#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6012#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6009#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6006#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6003#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6000#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5997#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5994#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5991#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5988#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5985#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5982#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5979#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5976#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5973#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5971#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5968#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5965#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5962#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5959#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5955#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5952#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5949#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5946#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5944#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5941#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5938#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5935#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5932#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5928#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5925#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5922#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5919#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5916#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5913#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5910#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5907#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5904#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5901#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5898#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5895#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5892#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5889#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5886#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5883#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5880#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5877#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5874#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5871#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5868#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5865#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5862#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5859#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5856#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5853#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5850#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5847#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5844#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5841#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5838#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5835#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5832#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5829#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5827#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5824#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5821#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5818#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5815#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5811#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5809#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5807#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5806#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5805#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5803#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5802#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5801#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5800#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5797#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5794#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5790#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5788#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5785#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5782#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5780#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5777#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5773#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5771#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5768#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5764#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5762#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5759#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5755#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5753#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5750#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5746#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5744#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5741#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5737#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5735#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5732#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5728#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5726#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5723#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5719#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5717#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5714#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5710#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5708#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5705#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5701#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5699#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5696#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5691#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5688#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5685#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5683#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5679#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5676#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5668#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5666#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5663#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5652#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5650#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5649#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5647#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5643#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5640#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5636#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5634#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5632#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5630#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5625#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5628#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5624#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5612#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5613#L20-3 assume !(main_~i~0#1 < 100000); 5622#L20-4 main_~i~0#1 := 0; 5606#L26-3 [2023-11-06 22:07:06,045 INFO L750 eck$LassoCheckResult]: Loop: 5606#L26-3 assume !!(main_~i~0#1 < 100000);call main_#t~mem3#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5616#L28 assume !(10 == main_#t~mem3#1);havoc main_#t~mem3#1; 5605#L26-2 main_~i~0#1 := 2 + main_~i~0#1; 5606#L26-3 [2023-11-06 22:07:06,045 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:06,046 INFO L85 PathProgramCache]: Analyzing trace with hash 712364496, now seen corresponding path program 6 times [2023-11-06 22:07:06,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:06,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160803696] [2023-11-06 22:07:06,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:06,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:14,942 INFO L134 CoverageAnalysis]: Checked inductivity of 13207 backedges. 0 proven. 13207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:14,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:14,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160803696] [2023-11-06 22:07:14,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160803696] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:07:14,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840215101] [2023-11-06 22:07:14,943 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-06 22:07:14,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:07:14,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:14,946 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:07:14,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941047f3-1bb9-41db-98c3-8beb7590d929/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process