./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_assert_loop_dep.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_assert_loop_dep.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R --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 fb960067570884de0638f14e8f74b0912d9ff4ed83f9c3c33e6cd3e420d05661 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:22:25,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:22:25,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:22:25,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:22:25,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:22:25,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:22:25,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:22:25,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:22:25,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:22:25,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:22:25,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:22:25,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:22:25,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:22:25,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:22:25,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:22:25,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:22:25,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:22:25,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:22:25,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:22:25,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:22:25,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:22:25,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:22:25,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:22:25,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:22:25,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:22:25,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:22:25,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:22:25,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:22:25,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:22:25,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:22:25,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:22:25,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:22:25,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:22:25,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:22:25,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:22:25,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:22:25,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:22:25,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:22:25,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:22:25,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:22:25,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:22:25,759 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 18:22:25,797 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:22:25,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:22:25,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:22:25,798 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:22:25,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:22:25,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:22:25,800 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:22:25,800 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 18:22:25,800 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 18:22:25,800 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 18:22:25,801 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 18:22:25,802 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 18:22:25,802 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 18:22:25,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:22:25,802 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:22:25,802 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:22:25,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:22:25,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:22:25,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:22:25,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 18:22:25,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 18:22:25,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 18:22:25,804 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:22:25,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:22:25,804 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 18:22:25,804 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:22:25,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 18:22:25,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:22:25,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:22:25,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:22:25,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:22:25,807 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 18:22:25,807 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb960067570884de0638f14e8f74b0912d9ff4ed83f9c3c33e6cd3e420d05661 [2022-11-25 18:22:26,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:22:26,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:22:26,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:22:26,134 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:22:26,135 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:22:26,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/array-industry-pattern/array_assert_loop_dep.i [2022-11-25 18:22:29,218 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:22:29,472 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:22:29,472 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/sv-benchmarks/c/array-industry-pattern/array_assert_loop_dep.i [2022-11-25 18:22:29,477 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/data/7deac2e2b/26531ddaa2894063a814fd19f4e61e79/FLAG33ae99d3c [2022-11-25 18:22:29,491 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/data/7deac2e2b/26531ddaa2894063a814fd19f4e61e79 [2022-11-25 18:22:29,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:22:29,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:22:29,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:22:29,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:22:29,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:22:29,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:22:29" (1/1) ... [2022-11-25 18:22:29,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d114d4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:29, skipping insertion in model container [2022-11-25 18:22:29,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:22:29" (1/1) ... [2022-11-25 18:22:29,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:22:29,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:22:29,665 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/sv-benchmarks/c/array-industry-pattern/array_assert_loop_dep.i[814,827] [2022-11-25 18:22:29,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:22:29,686 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:22:29,697 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/sv-benchmarks/c/array-industry-pattern/array_assert_loop_dep.i[814,827] [2022-11-25 18:22:29,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:22:29,712 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:22:29,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:29 WrapperNode [2022-11-25 18:22:29,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:22:29,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:22:29,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:22:29,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:22:29,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:29" (1/1) ... [2022-11-25 18:22:29,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:29" (1/1) ... [2022-11-25 18:22:29,743 INFO L138 Inliner]: procedures = 15, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2022-11-25 18:22:29,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:22:29,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:22:29,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:22:29,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:22:29,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:29" (1/1) ... [2022-11-25 18:22:29,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:29" (1/1) ... [2022-11-25 18:22:29,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:29" (1/1) ... [2022-11-25 18:22:29,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:29" (1/1) ... [2022-11-25 18:22:29,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:29" (1/1) ... [2022-11-25 18:22:29,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:29" (1/1) ... [2022-11-25 18:22:29,765 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:29" (1/1) ... [2022-11-25 18:22:29,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:29" (1/1) ... [2022-11-25 18:22:29,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:22:29,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:22:29,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:22:29,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:22:29,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:29" (1/1) ... [2022-11-25 18:22:29,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:22:29,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:29,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:22:29,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 18:22:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:22:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:22:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:22:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:22:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:22:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:22:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:22:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:22:29,926 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:22:29,928 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:22:30,039 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:22:30,045 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:22:30,046 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 18:22:30,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:22:30 BoogieIcfgContainer [2022-11-25 18:22:30,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:22:30,049 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 18:22:30,049 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 18:22:30,053 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 18:22:30,054 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:22:30,054 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 06:22:29" (1/3) ... [2022-11-25 18:22:30,055 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40c0407c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 06:22:30, skipping insertion in model container [2022-11-25 18:22:30,055 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:22:30,055 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:29" (2/3) ... [2022-11-25 18:22:30,056 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40c0407c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 06:22:30, skipping insertion in model container [2022-11-25 18:22:30,056 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:22:30,056 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:22:30" (3/3) ... [2022-11-25 18:22:30,071 INFO L332 chiAutomizerObserver]: Analyzing ICFG array_assert_loop_dep.i [2022-11-25 18:22:30,149 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 18:22:30,149 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 18:22:30,149 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 18:22:30,149 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 18:22:30,150 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 18:22:30,150 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 18:22:30,150 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 18:22:30,150 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 18:22:30,155 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:22:30,179 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-25 18:22:30,179 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:22:30,180 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:22:30,196 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 18:22:30,196 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 18:22:30,196 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 18:22:30,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:22:30,198 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-25 18:22:30,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:22:30,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:22:30,199 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 18:22:30,199 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 18:22:30,206 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(24, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post1#1, main_#t~mem3#1, main_#t~post2#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 12#L18-3true [2022-11-25 18:22:30,207 INFO L750 eck$LassoCheckResult]: Loop: 12#L18-3true assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 11#L18-2true main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 12#L18-3true [2022-11-25 18:22:30,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:30,213 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-25 18:22:30,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:30,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350980711] [2022-11-25 18:22:30,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:30,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:22:30,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:22:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:22:30,373 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:22:30,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:30,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-11-25 18:22:30,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:30,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423796425] [2022-11-25 18:22:30,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:30,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:22:30,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:22:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:22:30,398 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:22:30,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:30,400 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-11-25 18:22:30,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:30,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50625916] [2022-11-25 18:22:30,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:30,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:22:30,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:22:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:22:30,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:22:30,943 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 18:22:30,944 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 18:22:30,944 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 18:22:30,945 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 18:22:30,945 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 18:22:30,945 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:22:30,946 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 18:22:30,946 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 18:22:30,947 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_assert_loop_dep.i_Iteration1_Lasso [2022-11-25 18:22:30,947 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 18:22:30,947 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 18:22:30,976 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:22:31,284 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:22:31,287 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:22:31,292 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:22:31,296 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:22:31,298 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:22:31,302 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:22:31,565 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 18:22:31,570 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 18:22:31,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:22:31,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:31,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:22:31,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 18:22:31,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:22:31,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:22:31,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:22:31,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:22:31,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:22:31,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:22:31,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:22:31,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:22:31,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 18:22:31,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:22:31,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:31,635 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:22:31,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:22:31,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 18:22:31,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:22:31,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:22:31,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:22:31,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:22:31,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:22:31,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:22:31,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:22:31,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:22:31,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:22:31,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:31,705 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:22:31,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 18:22:31,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:22:31,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:22:31,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:22:31,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:22:31,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:22:31,732 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:22:31,732 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:22:31,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:22:31,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-25 18:22:31,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:22:31,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:31,763 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:22:31,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:22:31,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 18:22:31,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:22:31,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:22:31,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:22:31,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:22:31,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:22:31,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:22:31,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:22:31,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 18:22:31,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:22:31,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:31,833 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:22:31,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:22:31,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:22:31,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:22:31,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:22:31,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:22:31,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:22:31,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:22:31,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 18:22:31,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:22:31,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 18:22:31,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:22:31,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:31,883 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:22:31,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 18:22:31,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:22:31,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:22:31,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:22:31,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:22:31,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:22:31,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:22:31,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:22:31,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:22:31,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 18:22:31,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:22:31,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:31,946 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:22:31,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 18:22:31,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:22:31,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:22:31,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:22:31,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:22:31,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:22:31,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:22:31,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:22:31,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:22:31,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 18:22:31,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:22:31,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:31,997 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:22:32,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 18:22:32,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:22:32,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:22:32,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:22:32,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:22:32,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:22:32,018 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:22:32,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:22:32,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:22:32,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-25 18:22:32,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:22:32,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:32,042 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:22:32,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:22:32,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:22:32,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:22:32,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:22:32,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:22:32,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 18:22:32,070 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:22:32,071 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:22:32,090 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 18:22:32,133 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-11-25 18:22:32,133 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-25 18:22:32,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:22:32,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:32,151 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:22:32,160 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 18:22:32,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-25 18:22:32,172 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 18:22:32,172 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 18:22:32,173 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1) = -8*ULTIMATE.start_main_~i~0#1 + 199999*v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1 Supporting invariants [] [2022-11-25 18:22:32,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-11-25 18:22:32,206 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-11-25 18:22:32,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:32,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:22:32,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:22:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:32,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 18:22:32,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:22:32,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:22:32,404 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-25 18:22:32,407 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2022-11-25 18:22:32,459 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 41 transitions. Complement of second has 8 states. [2022-11-25 18:22:32,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 18:22:32,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:22:32,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2022-11-25 18:22:32,474 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-25 18:22:32,474 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:22:32,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-25 18:22:32,480 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:22:32,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-25 18:22:32,480 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:22:32,481 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 41 transitions. [2022-11-25 18:22:32,486 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-25 18:22:32,490 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 12 states and 16 transitions. [2022-11-25 18:22:32,492 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-25 18:22:32,492 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-25 18:22:32,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2022-11-25 18:22:32,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:22:32,498 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-11-25 18:22:32,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2022-11-25 18:22:32,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-11-25 18:22:32,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 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) [2022-11-25 18:22:32,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2022-11-25 18:22:32,523 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-11-25 18:22:32,523 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-11-25 18:22:32,524 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 18:22:32,524 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2022-11-25 18:22:32,524 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-25 18:22:32,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:22:32,525 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:22:32,525 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-25 18:22:32,525 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-25 18:22:32,526 INFO L748 eck$LassoCheckResult]: Stem: 106#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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(24, 2); 107#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post1#1, main_#t~mem3#1, main_#t~post2#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 110#L18-3 assume !(main_~i~0#1 < 100000); 111#L18-4 main_~i~0#1 := 0; 112#L22-3 [2022-11-25 18:22:32,526 INFO L750 eck$LassoCheckResult]: Loop: 112#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 105#L13 assume !(0 == __VERIFIER_assert_~cond#1); 104#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 113#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 114#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 112#L22-3 [2022-11-25 18:22:32,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:32,527 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2022-11-25 18:22:32,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:32,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372375820] [2022-11-25 18:22:32,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:32,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:22:32,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:22:32,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372375820] [2022-11-25 18:22:32,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372375820] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:22:32,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:22:32,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:22:32,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658344087] [2022-11-25 18:22:32,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:22:32,585 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 18:22:32,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:32,586 INFO L85 PathProgramCache]: Analyzing trace with hash 51750045, now seen corresponding path program 1 times [2022-11-25 18:22:32,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:32,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130536991] [2022-11-25 18:22:32,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:32,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:22:32,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:22:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:22:32,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:22:32,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:22:32,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:22:32,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:22:32,751 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 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) [2022-11-25 18:22:32,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:22:32,780 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2022-11-25 18:22:32,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2022-11-25 18:22:32,781 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 18:22:32,782 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 17 states and 19 transitions. [2022-11-25 18:22:32,782 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-25 18:22:32,782 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-25 18:22:32,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2022-11-25 18:22:32,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:22:32,782 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-25 18:22:32,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2022-11-25 18:22:32,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-25 18:22:32,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:22:32,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-11-25 18:22:32,784 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-11-25 18:22:32,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:22:32,786 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-11-25 18:22:32,786 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 18:22:32,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2022-11-25 18:22:32,787 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 18:22:32,787 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:22:32,787 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:22:32,788 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:22:32,788 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-25 18:22:32,788 INFO L748 eck$LassoCheckResult]: Stem: 142#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(24, 2); 143#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post1#1, main_#t~mem3#1, main_#t~post2#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 146#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 144#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 145#L18-3 assume !(main_~i~0#1 < 100000); 147#L18-4 main_~i~0#1 := 0; 148#L22-3 assume !!(main_~i~0#1 < 100000);call main_#t~mem3#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 154#L13 assume !(0 == __VERIFIER_assert_~cond#1); 153#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 149#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 150#L22-2 [2022-11-25 18:22:32,788 INFO L750 eck$LassoCheckResult]: Loop: 150#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 152#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 140#L13 assume !(0 == __VERIFIER_assert_~cond#1); 141#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 151#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 150#L22-2 [2022-11-25 18:22:32,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:32,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1436006135, now seen corresponding path program 1 times [2022-11-25 18:22:32,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:32,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448802283] [2022-11-25 18:22:32,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:32,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:32,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:22:32,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:22:32,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448802283] [2022-11-25 18:22:32,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448802283] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:22:32,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627019366] [2022-11-25 18:22:32,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:32,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:22:32,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:32,854 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:22:32,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-25 18:22:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:32,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 18:22:32,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:22:32,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:22:32,950 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:22:32,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:22:32,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627019366] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:22:32,979 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:22:32,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-25 18:22:32,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42928465] [2022-11-25 18:22:32,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:22:32,980 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 18:22:32,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:32,981 INFO L85 PathProgramCache]: Analyzing trace with hash 66315825, now seen corresponding path program 2 times [2022-11-25 18:22:32,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:32,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45966215] [2022-11-25 18:22:32,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:32,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:22:32,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:22:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:22:32,997 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:22:33,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-25 18:22:33,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:22:33,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:22:33,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:22:33,196 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:22:33,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:22:33,266 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2022-11-25 18:22:33,266 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 36 transitions. [2022-11-25 18:22:33,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-25 18:22:33,268 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 36 transitions. [2022-11-25 18:22:33,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2022-11-25 18:22:33,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2022-11-25 18:22:33,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 36 transitions. [2022-11-25 18:22:33,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:22:33,268 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 36 transitions. [2022-11-25 18:22:33,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 36 transitions. [2022-11-25 18:22:33,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 26. [2022-11-25 18:22:33,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:22:33,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2022-11-25 18:22:33,271 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 28 transitions. [2022-11-25 18:22:33,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:22:33,273 INFO L428 stractBuchiCegarLoop]: Abstraction has 26 states and 28 transitions. [2022-11-25 18:22:33,273 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-25 18:22:33,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 28 transitions. [2022-11-25 18:22:33,274 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 18:22:33,274 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:22:33,274 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:22:33,275 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-25 18:22:33,275 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-25 18:22:33,275 INFO L748 eck$LassoCheckResult]: Stem: 252#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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(24, 2); 253#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post1#1, main_#t~mem3#1, main_#t~post2#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 258#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 259#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 260#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 256#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 257#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 270#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 269#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 268#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 267#L18-3 assume !(main_~i~0#1 < 100000); 261#L18-4 main_~i~0#1 := 0; 262#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 254#L13 assume !(0 == __VERIFIER_assert_~cond#1); 255#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 265#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 274#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 275#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 277#L13 assume !(0 == __VERIFIER_assert_~cond#1); 276#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 263#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 264#L22-2 [2022-11-25 18:22:33,275 INFO L750 eck$LassoCheckResult]: Loop: 264#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 266#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 273#L13 assume !(0 == __VERIFIER_assert_~cond#1); 272#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 271#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 264#L22-2 [2022-11-25 18:22:33,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:33,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1930352971, now seen corresponding path program 1 times [2022-11-25 18:22:33,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:33,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264760951] [2022-11-25 18:22:33,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:33,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:33,471 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:22:33,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:22:33,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264760951] [2022-11-25 18:22:33,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264760951] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:22:33,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862203931] [2022-11-25 18:22:33,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:33,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:22:33,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:33,474 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:22:33,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-25 18:22:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:33,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 18:22:33,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:22:33,576 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:22:33,577 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:22:33,646 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:22:33,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862203931] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:22:33,646 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:22:33,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-11-25 18:22:33,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580623035] [2022-11-25 18:22:33,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:22:33,647 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 18:22:33,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:33,647 INFO L85 PathProgramCache]: Analyzing trace with hash 66315825, now seen corresponding path program 3 times [2022-11-25 18:22:33,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:33,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781645730] [2022-11-25 18:22:33,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:33,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:22:33,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:22:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:22:33,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:22:33,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:22:33,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 18:22:33,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:22:33,856 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. cyclomatic complexity: 4 Second operand has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:22:34,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:22:34,005 INFO L93 Difference]: Finished difference Result 75 states and 81 transitions. [2022-11-25 18:22:34,005 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 81 transitions. [2022-11-25 18:22:34,007 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 22 [2022-11-25 18:22:34,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 75 states and 81 transitions. [2022-11-25 18:22:34,009 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 55 [2022-11-25 18:22:34,010 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 55 [2022-11-25 18:22:34,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 81 transitions. [2022-11-25 18:22:34,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:22:34,010 INFO L218 hiAutomatonCegarLoop]: Abstraction has 75 states and 81 transitions. [2022-11-25 18:22:34,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states and 81 transitions. [2022-11-25 18:22:34,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 53. [2022-11-25 18:22:34,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.0377358490566038) internal successors, (55), 52 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:22:34,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2022-11-25 18:22:34,016 INFO L240 hiAutomatonCegarLoop]: Abstraction has 53 states and 55 transitions. [2022-11-25 18:22:34,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 18:22:34,017 INFO L428 stractBuchiCegarLoop]: Abstraction has 53 states and 55 transitions. [2022-11-25 18:22:34,017 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-25 18:22:34,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 53 states and 55 transitions. [2022-11-25 18:22:34,018 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 18:22:34,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:22:34,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:22:34,020 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 5, 5, 5, 5, 4, 1, 1, 1, 1] [2022-11-25 18:22:34,020 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-25 18:22:34,020 INFO L748 eck$LassoCheckResult]: Stem: 489#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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(24, 2); 490#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post1#1, main_#t~mem3#1, main_#t~post2#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 495#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 496#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 497#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 493#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 494#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 520#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 519#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 518#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 517#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 516#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 515#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 514#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 513#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 512#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 511#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 510#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 509#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 508#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 507#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 506#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 505#L18-3 assume !(main_~i~0#1 < 100000); 498#L18-4 main_~i~0#1 := 0; 499#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 503#L13 assume !(0 == __VERIFIER_assert_~cond#1); 541#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 540#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 524#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 525#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 491#L13 assume !(0 == __VERIFIER_assert_~cond#1); 492#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 502#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 526#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 539#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 538#L13 assume !(0 == __VERIFIER_assert_~cond#1); 537#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 536#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 535#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 534#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 533#L13 assume !(0 == __VERIFIER_assert_~cond#1); 532#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 531#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 530#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 529#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 528#L13 assume !(0 == __VERIFIER_assert_~cond#1); 527#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 500#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 501#L22-2 [2022-11-25 18:22:34,020 INFO L750 eck$LassoCheckResult]: Loop: 501#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 504#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 523#L13 assume !(0 == __VERIFIER_assert_~cond#1); 522#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 521#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 501#L22-2 [2022-11-25 18:22:34,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:34,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1653685129, now seen corresponding path program 2 times [2022-11-25 18:22:34,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:34,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195507512] [2022-11-25 18:22:34,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:34,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:34,356 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-25 18:22:34,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:22:34,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195507512] [2022-11-25 18:22:34,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195507512] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:22:34,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541660919] [2022-11-25 18:22:34,358 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:22:34,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:22:34,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:34,367 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:22:34,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-25 18:22:34,473 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 18:22:34,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:22:34,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 18:22:34,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:22:34,574 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-25 18:22:34,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:22:34,831 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-25 18:22:34,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541660919] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:22:34,831 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:22:34,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2022-11-25 18:22:34,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161839237] [2022-11-25 18:22:34,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:22:34,832 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 18:22:34,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:34,833 INFO L85 PathProgramCache]: Analyzing trace with hash 66315825, now seen corresponding path program 4 times [2022-11-25 18:22:34,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:34,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708410941] [2022-11-25 18:22:34,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:34,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:22:34,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:22:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:22:34,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:22:34,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:22:34,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-25 18:22:34,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2022-11-25 18:22:34,996 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. cyclomatic complexity: 4 Second operand has 25 states, 25 states have (on average 2.16) internal successors, (54), 25 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:22:35,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:22:35,304 INFO L93 Difference]: Finished difference Result 159 states and 171 transitions. [2022-11-25 18:22:35,305 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 159 states and 171 transitions. [2022-11-25 18:22:35,311 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 52 [2022-11-25 18:22:35,314 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 159 states to 159 states and 171 transitions. [2022-11-25 18:22:35,316 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 115 [2022-11-25 18:22:35,317 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 115 [2022-11-25 18:22:35,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 159 states and 171 transitions. [2022-11-25 18:22:35,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:22:35,319 INFO L218 hiAutomatonCegarLoop]: Abstraction has 159 states and 171 transitions. [2022-11-25 18:22:35,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states and 171 transitions. [2022-11-25 18:22:35,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 107. [2022-11-25 18:22:35,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 107 states have (on average 1.0186915887850467) internal successors, (109), 106 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:22:35,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 109 transitions. [2022-11-25 18:22:35,332 INFO L240 hiAutomatonCegarLoop]: Abstraction has 107 states and 109 transitions. [2022-11-25 18:22:35,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 18:22:35,333 INFO L428 stractBuchiCegarLoop]: Abstraction has 107 states and 109 transitions. [2022-11-25 18:22:35,334 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-25 18:22:35,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 109 transitions. [2022-11-25 18:22:35,336 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 18:22:35,338 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:22:35,338 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:22:35,340 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [22, 22, 11, 11, 11, 11, 10, 1, 1, 1, 1] [2022-11-25 18:22:35,342 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-25 18:22:35,343 INFO L748 eck$LassoCheckResult]: Stem: 1011#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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(24, 2); 1012#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post1#1, main_#t~mem3#1, main_#t~post2#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 1017#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1018#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1019#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1015#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1016#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1066#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1065#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1064#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1063#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1062#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1061#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1060#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1059#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1058#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1057#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1056#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1055#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1054#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1053#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1052#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1051#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1050#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1049#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1048#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1047#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1046#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1045#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1044#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1043#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1042#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1041#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1040#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1039#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1038#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1037#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1036#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1035#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1034#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1033#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1032#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1031#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1030#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1029#L18-3 assume !!(main_~i~0#1 < 100000);call write~int(10, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1028#L18-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1027#L18-3 assume !(main_~i~0#1 < 100000); 1020#L18-4 main_~i~0#1 := 0; 1021#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1025#L13 assume !(0 == __VERIFIER_assert_~cond#1); 1117#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 1116#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1070#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1071#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1013#L13 assume !(0 == __VERIFIER_assert_~cond#1); 1014#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 1024#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1072#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1115#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1114#L13 assume !(0 == __VERIFIER_assert_~cond#1); 1113#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 1112#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1111#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1110#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1109#L13 assume !(0 == __VERIFIER_assert_~cond#1); 1108#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 1107#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1106#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1105#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1104#L13 assume !(0 == __VERIFIER_assert_~cond#1); 1103#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 1102#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1101#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1100#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1099#L13 assume !(0 == __VERIFIER_assert_~cond#1); 1098#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 1097#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1096#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1095#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1094#L13 assume !(0 == __VERIFIER_assert_~cond#1); 1093#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 1092#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1091#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1090#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1089#L13 assume !(0 == __VERIFIER_assert_~cond#1); 1088#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 1087#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1086#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1085#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1084#L13 assume !(0 == __VERIFIER_assert_~cond#1); 1083#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 1082#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1081#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1080#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1079#L13 assume !(0 == __VERIFIER_assert_~cond#1); 1078#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 1077#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1076#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1075#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1074#L13 assume !(0 == __VERIFIER_assert_~cond#1); 1073#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 1022#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1023#L22-2 [2022-11-25 18:22:35,347 INFO L750 eck$LassoCheckResult]: Loop: 1023#L22-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1026#L22-3 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);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 10 == main_#t~mem3#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1069#L13 assume !(0 == __VERIFIER_assert_~cond#1); 1068#L13-3 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem3#1; 1067#L25 assume 15000 != 1 + main_~i~0#1;call write~int(20, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1023#L22-2 [2022-11-25 18:22:35,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:35,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1459869857, now seen corresponding path program 3 times [2022-11-25 18:22:35,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:35,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28443790] [2022-11-25 18:22:35,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:35,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:36,318 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2022-11-25 18:22:36,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:22:36,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28443790] [2022-11-25 18:22:36,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28443790] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:22:36,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837390447] [2022-11-25 18:22:36,320 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 18:22:36,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:22:36,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:36,327 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:22:36,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-25 18:22:36,423 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-25 18:22:36,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:22:36,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 18:22:36,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:22:36,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 18:22:36,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-11-25 18:22:36,584 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 700 trivial. 0 not checked. [2022-11-25 18:22:36,584 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:22:36,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837390447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:22:36,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:22:36,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [25] total 28 [2022-11-25 18:22:36,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089411128] [2022-11-25 18:22:36,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:22:36,586 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 18:22:36,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:36,587 INFO L85 PathProgramCache]: Analyzing trace with hash 66315825, now seen corresponding path program 5 times [2022-11-25 18:22:36,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:36,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180882078] [2022-11-25 18:22:36,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:36,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:22:36,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:22:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:22:36,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:22:36,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:22:36,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:22:36,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=450, Unknown=0, NotChecked=0, Total=756 [2022-11-25 18:22:36,757 INFO L87 Difference]: Start difference. First operand 107 states and 109 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:22:36,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:22:36,803 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2022-11-25 18:22:36,803 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 55 transitions. [2022-11-25 18:22:36,803 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 18:22:36,804 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 0 states and 0 transitions. [2022-11-25 18:22:36,804 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 18:22:36,804 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 18:22:36,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 18:22:36,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:22:36,804 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:22:36,804 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:22:36,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:22:36,804 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:22:36,805 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-25 18:22:36,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 18:22:36,805 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 18:22:36,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 18:22:36,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 06:22:36 BoogieIcfgContainer [2022-11-25 18:22:36,817 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 18:22:36,818 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:22:36,818 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:22:36,818 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:22:36,819 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:22:30" (3/4) ... [2022-11-25 18:22:36,821 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 18:22:36,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:22:36,823 INFO L158 Benchmark]: Toolchain (without parser) took 7327.52ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 133.7MB in the beginning and 151.0MB in the end (delta: -17.4MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2022-11-25 18:22:36,823 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 167.8MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:22:36,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.57ms. Allocated memory is still 167.8MB. Free memory was 133.1MB in the beginning and 123.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 18:22:36,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.25ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 121.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:22:36,825 INFO L158 Benchmark]: Boogie Preprocessor took 24.86ms. Allocated memory is still 167.8MB. Free memory was 121.6MB in the beginning and 120.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:22:36,828 INFO L158 Benchmark]: RCFGBuilder took 278.01ms. Allocated memory is still 167.8MB. Free memory was 120.5MB in the beginning and 110.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 18:22:36,829 INFO L158 Benchmark]: BuchiAutomizer took 6768.20ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 110.1MB in the beginning and 151.0MB in the end (delta: -41.0MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2022-11-25 18:22:36,829 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 209.7MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:22:36,836 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 167.8MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.57ms. Allocated memory is still 167.8MB. Free memory was 133.1MB in the beginning and 123.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.25ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 121.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.86ms. Allocated memory is still 167.8MB. Free memory was 121.6MB in the beginning and 120.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 278.01ms. Allocated memory is still 167.8MB. Free memory was 120.5MB in the beginning and 110.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 6768.20ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 110.1MB in the beginning and 151.0MB in the end (delta: -41.0MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 209.7MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (5 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 199999 * unknown-#length-unknown[a] + -8 * i and consists of 5 locations. 5 modules have a trivial ranking function, the largest among these consists of 25 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.6s and 7 iterations. TraceHistogramMax:22. Analysis of lassos took 5.6s. Construction of modules took 0.3s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 83 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 396 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 395 mSDsluCounter, 135 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96 mSDsCounter, 153 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 261 IncrementalHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 153 mSolverCounterUnsat, 39 mSDtfsCounter, 261 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU5 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital121 mio100 ax100 hnf100 lsp95 ukn80 mio100 lsp41 div100 bol100 ite100 ukn100 eq157 hnf93 smp100 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-25 18:22:36,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-11-25 18:22:37,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-25 18:22:37,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-25 18:22:37,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-25 18:22:37,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5418cac3-b78c-4ad7-8818-027f25ff2bc3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE