./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-examples/standard_sentinel-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-examples/standard_sentinel-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa --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 590a845a219659d0ad58521e10c3551f2ec7e80ca70e994a8616abe765f6f296 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:27:20,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:27:20,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:27:20,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:27:20,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:27:20,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:27:20,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:27:20,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:27:20,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:27:20,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:27:20,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:27:20,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:27:20,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:27:20,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:27:20,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:27:20,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:27:20,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:27:20,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:27:20,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:27:20,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:27:20,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:27:20,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:27:20,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:27:20,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:27:20,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:27:20,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:27:20,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:27:20,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:27:20,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:27:20,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:27:20,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:27:20,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:27:20,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:27:20,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:27:20,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:27:20,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:27:20,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:27:20,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:27:20,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:27:20,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:27:20,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:27:20,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-07 00:27:20,789 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:27:20,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:27:20,789 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:27:20,790 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:27:20,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:27:20,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:27:20,791 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:27:20,791 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-07 00:27:20,791 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-07 00:27:20,791 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-07 00:27:20,791 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-07 00:27:20,791 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-07 00:27:20,791 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-07 00:27:20,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:27:20,792 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:27:20,792 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 00:27:20,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:27:20,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:27:20,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:27:20,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-07 00:27:20,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-07 00:27:20,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-07 00:27:20,793 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:27:20,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:27:20,793 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-07 00:27:20,793 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:27:20,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-07 00:27:20,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:27:20,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:27:20,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:27:20,794 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:27:20,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:27:20,795 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-07 00:27:20,795 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_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 590a845a219659d0ad58521e10c3551f2ec7e80ca70e994a8616abe765f6f296 [2021-12-07 00:27:20,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:27:21,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:27:21,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:27:21,014 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:27:21,015 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:27:21,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/array-examples/standard_sentinel-2.i [2021-12-07 00:27:21,060 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/data/c5892c087/381793956c4249529269238316eed21b/FLAG624fb9f12 [2021-12-07 00:27:21,486 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:27:21,486 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/sv-benchmarks/c/array-examples/standard_sentinel-2.i [2021-12-07 00:27:21,491 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/data/c5892c087/381793956c4249529269238316eed21b/FLAG624fb9f12 [2021-12-07 00:27:21,502 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/data/c5892c087/381793956c4249529269238316eed21b [2021-12-07 00:27:21,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:27:21,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:27:21,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:27:21,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:27:21,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:27:21,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:27:21" (1/1) ... [2021-12-07 00:27:21,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@604f9f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:21, skipping insertion in model container [2021-12-07 00:27:21,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:27:21" (1/1) ... [2021-12-07 00:27:21,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:27:21,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:27:21,639 WARN L230 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_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/sv-benchmarks/c/array-examples/standard_sentinel-2.i[852,865] [2021-12-07 00:27:21,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:27:21,652 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:27:21,661 WARN L230 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_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/sv-benchmarks/c/array-examples/standard_sentinel-2.i[852,865] [2021-12-07 00:27:21,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:27:21,674 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:27:21,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:21 WrapperNode [2021-12-07 00:27:21,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:27:21,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:27:21,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:27:21,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:27:21,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:21" (1/1) ... [2021-12-07 00:27:21,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:21" (1/1) ... [2021-12-07 00:27:21,706 INFO L137 Inliner]: procedures = 16, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2021-12-07 00:27:21,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:27:21,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:27:21,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:27:21,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:27:21,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:21" (1/1) ... [2021-12-07 00:27:21,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:21" (1/1) ... [2021-12-07 00:27:21,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:21" (1/1) ... [2021-12-07 00:27:21,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:21" (1/1) ... [2021-12-07 00:27:21,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:21" (1/1) ... [2021-12-07 00:27:21,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:21" (1/1) ... [2021-12-07 00:27:21,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:21" (1/1) ... [2021-12-07 00:27:21,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:27:21,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:27:21,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:27:21,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:27:21,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:21" (1/1) ... [2021-12-07 00:27:21,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:21,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:21,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:21,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-07 00:27:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:27:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:27:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:27:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:27:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:27:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:27:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:27:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:27:21,837 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:27:21,839 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:27:21,922 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:27:21,927 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:27:21,928 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-07 00:27:21,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:27:21 BoogieIcfgContainer [2021-12-07 00:27:21,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:27:21,930 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-07 00:27:21,930 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-07 00:27:21,933 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-07 00:27:21,933 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:27:21,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 12:27:21" (1/3) ... [2021-12-07 00:27:21,934 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d5b4935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:27:21, skipping insertion in model container [2021-12-07 00:27:21,934 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:27:21,935 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:27:21" (2/3) ... [2021-12-07 00:27:21,935 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d5b4935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:27:21, skipping insertion in model container [2021-12-07 00:27:21,935 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:27:21,935 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:27:21" (3/3) ... [2021-12-07 00:27:21,936 INFO L388 chiAutomizerObserver]: Analyzing ICFG standard_sentinel-2.i [2021-12-07 00:27:21,968 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-07 00:27:21,968 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-07 00:27:21,968 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-07 00:27:21,968 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-07 00:27:21,968 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-07 00:27:21,968 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-07 00:27:21,968 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-07 00:27:21,969 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-07 00:27:21,978 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) [2021-12-07 00:27:21,991 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-07 00:27:21,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:27:21,991 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:27:21,995 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-07 00:27:21,995 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:27:21,995 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-07 00:27:21,995 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) [2021-12-07 00:27:21,997 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-07 00:27:21,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:27:21,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:27:21,997 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-07 00:27:21,997 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:27:22,002 INFO L791 eck$LassoCheckResult]: Stem: 4#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(22, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet4#1, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_~i~1#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~marker~0#1, main_~pos~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~marker~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~pos~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~i~0#1 := 0; 11#L20-3true [2021-12-07 00:27:22,002 INFO L793 eck$LassoCheckResult]: Loop: 11#L20-3true assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 12#L20-2true main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 11#L20-3true [2021-12-07 00:27:22,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:27:22,006 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-07 00:27:22,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:27:22,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062406244] [2021-12-07 00:27:22,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:27:22,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:27:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:27:22,080 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:27:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:27:22,102 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:27:22,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:27:22,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-12-07 00:27:22,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:27:22,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129091152] [2021-12-07 00:27:22,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:27:22,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:27:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:27:22,113 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:27:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:27:22,121 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:27:22,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:27:22,122 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-12-07 00:27:22,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:27:22,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635745583] [2021-12-07 00:27:22,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:27:22,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:27:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:27:22,139 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:27:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:27:22,154 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:27:22,430 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:27:22,431 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:27:22,431 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:27:22,431 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:27:22,431 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:27:22,431 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:22,431 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:27:22,431 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:27:22,431 INFO L133 ssoRankerPreferences]: Filename of dumped script: standard_sentinel-2.i_Iteration1_Lasso [2021-12-07 00:27:22,432 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:27:22,432 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:27:22,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:27:22,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:27:22,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:27:22,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:27:22,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:27:22,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:27:22,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:27:22,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:27:22,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:27:22,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:27:22,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:27:22,686 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:27:22,689 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:27:22,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:22,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:22,691 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:22,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-07 00:27:22,693 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 [2021-12-07 00:27:22,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:27:22,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:27:22,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:27:22,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:27:22,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:27:22,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:27:22,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:27:22,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:27:22,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-07 00:27:22,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:22,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:22,728 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:22,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-07 00:27:22,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:27:22,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:27:22,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:27:22,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:27:22,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:27:22,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:27:22,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:27:22,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:27:22,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:27:22,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-07 00:27:22,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:22,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:22,758 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:22,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-07 00:27:22,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:27:22,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:27:22,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:27:22,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:27:22,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:27:22,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:27:22,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:27:22,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:27:22,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:27:22,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-07 00:27:22,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:22,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:22,787 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:22,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-07 00:27:22,789 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 [2021-12-07 00:27:22,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:27:22,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:27:22,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:27:22,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:27:22,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:27:22,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:27:22,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:27:22,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:27:22,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-07 00:27:22,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:22,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:22,818 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:22,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-07 00:27:22,820 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 [2021-12-07 00:27:22,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:27:22,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:27:22,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:27:22,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:27:22,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:27:22,830 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:27:22,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:27:22,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-07 00:27:22,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:22,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:22,860 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:22,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-07 00:27:22,861 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 [2021-12-07 00:27:22,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:27:22,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:27:22,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:27:22,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:27:22,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:27:22,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:27:22,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:27:22,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:27:22,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-07 00:27:22,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:22,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:22,890 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:22,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-07 00:27:22,892 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 [2021-12-07 00:27:22,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:27:22,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:27:22,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:27:22,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:27:22,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:27:22,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:27:22,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:27:22,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:27:22,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-07 00:27:22,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:22,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:22,920 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:22,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-07 00:27:22,921 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 [2021-12-07 00:27:22,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:27:22,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:27:22,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:27:22,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:27:22,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:27:22,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:27:22,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:27:22,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-07 00:27:22,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:22,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:22,967 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:22,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-07 00:27:22,969 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 [2021-12-07 00:27:22,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:27:22,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:27:22,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:27:22,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:27:22,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:27:22,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:27:22,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:27:22,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:27:22,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-07 00:27:22,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:22,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:22,997 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:22,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-07 00:27:22,998 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 [2021-12-07 00:27:23,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:27:23,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:27:23,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:27:23,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:27:23,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:27:23,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:27:23,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:27:23,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-07 00:27:23,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:23,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:23,036 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:23,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-07 00:27:23,037 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 [2021-12-07 00:27:23,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:27:23,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:27:23,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:27:23,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:27:23,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:27:23,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:27:23,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:27:23,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-07 00:27:23,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:23,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:23,070 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:23,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-07 00:27:23,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:27:23,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:27:23,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:27:23,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:27:23,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:27:23,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:27:23,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:27:23,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:27:23,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-07 00:27:23,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:23,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:23,103 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:23,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-07 00:27:23,104 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 [2021-12-07 00:27:23,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:27:23,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:27:23,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:27:23,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:27:23,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:27:23,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:27:23,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:27:23,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-07 00:27:23,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:23,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:23,135 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:23,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-07 00:27:23,136 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 [2021-12-07 00:27:23,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:27:23,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:27:23,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:27:23,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:27:23,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:27:23,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:27:23,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:27:23,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-07 00:27:23,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:23,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:23,168 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:23,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-07 00:27:23,169 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 [2021-12-07 00:27:23,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:27:23,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:27:23,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:27:23,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:27:23,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:27:23,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:27:23,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:27:23,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-07 00:27:23,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:23,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:23,201 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:23,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-07 00:27:23,202 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 [2021-12-07 00:27:23,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:27:23,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:27:23,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:27:23,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:27:23,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:27:23,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:27:23,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:27:23,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-07 00:27:23,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:23,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:23,238 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:23,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-07 00:27:23,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:27:23,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:27:23,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:27:23,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:27:23,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:27:23,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:27:23,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:27:23,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:27:23,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-07 00:27:23,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:23,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:23,271 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:23,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-07 00:27:23,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:27:23,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:27:23,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:27:23,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:27:23,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:27:23,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:27:23,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:27:23,292 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 00:27:23,323 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-12-07 00:27:23,323 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-12-07 00:27:23,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:27:23,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:23,326 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:27:23,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-07 00:27:23,327 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 00:27:23,335 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-07 00:27:23,335 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 00:27:23,336 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 199999*v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1 - 8*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2021-12-07 00:27:23,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-07 00:27:23,367 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2021-12-07 00:27:23,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:27:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:23,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 00:27:23,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:27:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:23,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 00:27:23,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:27:23,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:27:23,457 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-07 00:27:23,458 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) [2021-12-07 00:27:23,492 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 36 states and 50 transitions. Complement of second has 8 states. [2021-12-07 00:27:23,493 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 [2021-12-07 00:27:23,496 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) [2021-12-07 00:27:23,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2021-12-07 00:27:23,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 2 letters. Loop has 2 letters. [2021-12-07 00:27:23,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:27:23,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-07 00:27:23,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:27:23,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 2 letters. Loop has 4 letters. [2021-12-07 00:27:23,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:27:23,499 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 50 transitions. [2021-12-07 00:27:23,501 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 00:27:23,503 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 8 states and 10 transitions. [2021-12-07 00:27:23,504 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-12-07 00:27:23,504 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-12-07 00:27:23,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2021-12-07 00:27:23,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:27:23,505 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-12-07 00:27:23,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2021-12-07 00:27:23,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-12-07 00:27:23,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 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) [2021-12-07 00:27:23,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2021-12-07 00:27:23,521 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-12-07 00:27:23,521 INFO L587 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-12-07 00:27:23,521 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-07 00:27:23,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2021-12-07 00:27:23,521 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 00:27:23,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:27:23,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:27:23,522 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-07 00:27:23,522 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:27:23,522 INFO L791 eck$LassoCheckResult]: Stem: 111#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(22, 2); 112#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet4#1, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_~i~1#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~marker~0#1, main_~pos~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~marker~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~pos~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~i~0#1 := 0; 113#L20-3 assume !(main_~i~0#1 < 100000); 114#L20-4 assume main_~pos~0#1 >= 0 && main_~pos~0#1 < 100000;call write~int(main_~marker~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~pos~0#1, 4);main_~i~1#1 := 0; 118#L28-3 [2021-12-07 00:27:23,522 INFO L793 eck$LassoCheckResult]: Loop: 118#L28-3 call main_#t~mem5#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~1#1, 4); 117#L28-1 assume !!(main_#t~mem5#1 != main_~marker~0#1);havoc main_#t~mem5#1;main_~i~1#1 := 1 + main_~i~1#1; 118#L28-3 [2021-12-07 00:27:23,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:27:23,522 INFO L85 PathProgramCache]: Analyzing trace with hash 925709, now seen corresponding path program 1 times [2021-12-07 00:27:23,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:27:23,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185714026] [2021-12-07 00:27:23,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:27:23,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:27:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:23,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:27:23,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:27:23,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185714026] [2021-12-07 00:27:23,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185714026] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:27:23,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:27:23,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:27:23,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043164906] [2021-12-07 00:27:23,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:27:23,553 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:27:23,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:27:23,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 1 times [2021-12-07 00:27:23,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:27:23,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037057039] [2021-12-07 00:27:23,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:27:23,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:27:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:27:23,558 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:27:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:27:23,562 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:27:23,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:27:23,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:27:23,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:27:23,590 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. cyclomatic complexity: 4 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) [2021-12-07 00:27:23,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:27:23,597 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2021-12-07 00:27:23,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:27:23,598 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2021-12-07 00:27:23,599 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 00:27:23,599 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 10 transitions. [2021-12-07 00:27:23,599 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-12-07 00:27:23,599 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-12-07 00:27:23,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2021-12-07 00:27:23,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:27:23,599 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-12-07 00:27:23,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2021-12-07 00:27:23,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2021-12-07 00:27:23,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:27:23,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2021-12-07 00:27:23,600 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2021-12-07 00:27:23,600 INFO L587 BuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2021-12-07 00:27:23,600 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-07 00:27:23,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 9 transitions. [2021-12-07 00:27:23,601 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 00:27:23,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:27:23,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:27:23,601 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-07 00:27:23,601 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:27:23,601 INFO L791 eck$LassoCheckResult]: Stem: 134#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(22, 2); 135#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet4#1, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_~i~1#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~marker~0#1, main_~pos~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~marker~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~pos~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~i~0#1 := 0; 138#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 136#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 137#L20-3 assume !(main_~i~0#1 < 100000); 139#L20-4 assume main_~pos~0#1 >= 0 && main_~pos~0#1 < 100000;call write~int(main_~marker~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~pos~0#1, 4);main_~i~1#1 := 0; 141#L28-3 [2021-12-07 00:27:23,601 INFO L793 eck$LassoCheckResult]: Loop: 141#L28-3 call main_#t~mem5#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~1#1, 4); 140#L28-1 assume !!(main_#t~mem5#1 != main_~marker~0#1);havoc main_#t~mem5#1;main_~i~1#1 := 1 + main_~i~1#1; 141#L28-3 [2021-12-07 00:27:23,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:27:23,602 INFO L85 PathProgramCache]: Analyzing trace with hash 889660431, now seen corresponding path program 1 times [2021-12-07 00:27:23,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:27:23,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862683998] [2021-12-07 00:27:23,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:27:23,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:27:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:23,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:27:23,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:27:23,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862683998] [2021-12-07 00:27:23,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862683998] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:27:23,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203036748] [2021-12-07 00:27:23,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:27:23,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:27:23,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:23,629 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:27:23,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-12-07 00:27:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:23,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-07 00:27:23,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:27:23,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:27:23,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:27:23,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:27:23,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203036748] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:27:23,726 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 00:27:23,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-12-07 00:27:23,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447197030] [2021-12-07 00:27:23,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 00:27:23,726 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:27:23,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:27:23,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 2 times [2021-12-07 00:27:23,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:27:23,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614614277] [2021-12-07 00:27:23,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:27:23,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:27:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:27:23,732 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:27:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:27:23,736 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:27:23,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:27:23,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:27:23,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:27:23,762 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:27:23,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:27:23,779 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2021-12-07 00:27:23,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:27:23,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 15 transitions. [2021-12-07 00:27:23,781 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 00:27:23,781 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 15 transitions. [2021-12-07 00:27:23,781 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-12-07 00:27:23,781 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-12-07 00:27:23,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 15 transitions. [2021-12-07 00:27:23,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:27:23,782 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 15 transitions. [2021-12-07 00:27:23,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 15 transitions. [2021-12-07 00:27:23,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-12-07 00:27:23,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 13 states have internal predecessors, (15), 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) [2021-12-07 00:27:23,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2021-12-07 00:27:23,784 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 15 transitions. [2021-12-07 00:27:23,784 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 15 transitions. [2021-12-07 00:27:23,784 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-07 00:27:23,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 15 transitions. [2021-12-07 00:27:23,784 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 00:27:23,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:27:23,785 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:27:23,785 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2021-12-07 00:27:23,785 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:27:23,785 INFO L791 eck$LassoCheckResult]: Stem: 196#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(22, 2); 197#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet4#1, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_~i~1#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~marker~0#1, main_~pos~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~marker~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~pos~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~i~0#1 := 0; 198#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 199#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 200#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 201#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 209#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 208#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 207#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 206#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 205#L20-3 assume !(main_~i~0#1 < 100000); 204#L20-4 assume main_~pos~0#1 >= 0 && main_~pos~0#1 < 100000;call write~int(main_~marker~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~pos~0#1, 4);main_~i~1#1 := 0; 203#L28-3 [2021-12-07 00:27:23,785 INFO L793 eck$LassoCheckResult]: Loop: 203#L28-3 call main_#t~mem5#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~1#1, 4); 202#L28-1 assume !!(main_#t~mem5#1 != main_~marker~0#1);havoc main_#t~mem5#1;main_~i~1#1 := 1 + main_~i~1#1; 203#L28-3 [2021-12-07 00:27:23,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:27:23,786 INFO L85 PathProgramCache]: Analyzing trace with hash 833936661, now seen corresponding path program 2 times [2021-12-07 00:27:23,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:27:23,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887493558] [2021-12-07 00:27:23,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:27:23,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:27:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:23,840 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:27:23,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:27:23,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887493558] [2021-12-07 00:27:23,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887493558] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:27:23,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153222260] [2021-12-07 00:27:23,840 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 00:27:23,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:27:23,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:23,841 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:27:23,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-12-07 00:27:23,879 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 00:27:23,879 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 00:27:23,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 00:27:23,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:27:23,904 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:27:23,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:27:23,949 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:27:23,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153222260] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:27:23,950 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 00:27:23,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-12-07 00:27:23,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81788366] [2021-12-07 00:27:23,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 00:27:23,950 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:27:23,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:27:23,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 3 times [2021-12-07 00:27:23,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:27:23,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254103147] [2021-12-07 00:27:23,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:27:23,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:27:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:27:23,954 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:27:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:27:23,957 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:27:23,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-07 00:27:23,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:27:23,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-07 00:27:23,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-12-07 00:27:23,992 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. cyclomatic complexity: 3 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:27:24,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:27:24,021 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2021-12-07 00:27:24,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 00:27:24,022 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 27 transitions. [2021-12-07 00:27:24,023 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 00:27:24,023 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 27 transitions. [2021-12-07 00:27:24,023 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-12-07 00:27:24,023 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-12-07 00:27:24,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 27 transitions. [2021-12-07 00:27:24,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:27:24,024 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 27 transitions. [2021-12-07 00:27:24,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 27 transitions. [2021-12-07 00:27:24,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-12-07 00:27:24,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 25 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:27:24,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2021-12-07 00:27:24,026 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 27 transitions. [2021-12-07 00:27:24,026 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 27 transitions. [2021-12-07 00:27:24,026 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-07 00:27:24,026 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 27 transitions. [2021-12-07 00:27:24,027 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 00:27:24,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:27:24,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:27:24,028 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1] [2021-12-07 00:27:24,028 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:27:24,028 INFO L791 eck$LassoCheckResult]: Stem: 318#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(22, 2); 319#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet4#1, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_~i~1#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~marker~0#1, main_~pos~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~marker~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~pos~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~i~0#1 := 0; 320#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 321#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 322#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 323#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 324#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 343#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 342#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 341#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 340#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 339#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 338#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 337#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 336#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 335#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 334#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 333#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 332#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 331#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 330#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 329#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 328#L20-3 assume !(main_~i~0#1 < 100000); 327#L20-4 assume main_~pos~0#1 >= 0 && main_~pos~0#1 < 100000;call write~int(main_~marker~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~pos~0#1, 4);main_~i~1#1 := 0; 326#L28-3 [2021-12-07 00:27:24,028 INFO L793 eck$LassoCheckResult]: Loop: 326#L28-3 call main_#t~mem5#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~1#1, 4); 325#L28-1 assume !!(main_#t~mem5#1 != main_~marker~0#1);havoc main_#t~mem5#1;main_~i~1#1 := 1 + main_~i~1#1; 326#L28-3 [2021-12-07 00:27:24,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:27:24,028 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272353, now seen corresponding path program 3 times [2021-12-07 00:27:24,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:27:24,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956225681] [2021-12-07 00:27:24,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:27:24,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:27:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:24,130 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:27:24,130 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:27:24,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956225681] [2021-12-07 00:27:24,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956225681] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:27:24,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692345144] [2021-12-07 00:27:24,131 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-07 00:27:24,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:27:24,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:24,132 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:27:24,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-12-07 00:27:24,249 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-12-07 00:27:24,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 00:27:24,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-07 00:27:24,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:27:24,301 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:27:24,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:27:24,425 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:27:24,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692345144] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:27:24,425 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 00:27:24,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2021-12-07 00:27:24,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041334528] [2021-12-07 00:27:24,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 00:27:24,426 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:27:24,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:27:24,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 4 times [2021-12-07 00:27:24,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:27:24,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651264231] [2021-12-07 00:27:24,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:27:24,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:27:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:27:24,429 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:27:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:27:24,432 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:27:24,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:27:24,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-07 00:27:24,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2021-12-07 00:27:24,455 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. cyclomatic complexity: 3 Second operand has 25 states, 25 states have (on average 1.96) internal successors, (49), 25 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:27:24,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:27:24,510 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2021-12-07 00:27:24,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 00:27:24,511 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 51 transitions. [2021-12-07 00:27:24,513 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 00:27:24,514 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 50 states and 51 transitions. [2021-12-07 00:27:24,514 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-12-07 00:27:24,515 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-12-07 00:27:24,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 51 transitions. [2021-12-07 00:27:24,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:27:24,515 INFO L681 BuchiCegarLoop]: Abstraction has 50 states and 51 transitions. [2021-12-07 00:27:24,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 51 transitions. [2021-12-07 00:27:24,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-12-07 00:27:24,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.02) internal successors, (51), 49 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:27:24,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2021-12-07 00:27:24,519 INFO L704 BuchiCegarLoop]: Abstraction has 50 states and 51 transitions. [2021-12-07 00:27:24,519 INFO L587 BuchiCegarLoop]: Abstraction has 50 states and 51 transitions. [2021-12-07 00:27:24,520 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-07 00:27:24,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 51 transitions. [2021-12-07 00:27:24,521 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 00:27:24,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:27:24,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:27:24,523 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [22, 22, 1, 1, 1, 1] [2021-12-07 00:27:24,523 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:27:24,523 INFO L791 eck$LassoCheckResult]: Stem: 560#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(22, 2); 561#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet4#1, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_~i~1#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~marker~0#1, main_~pos~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~marker~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~pos~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~i~0#1 := 0; 562#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 563#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 564#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 565#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 566#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 609#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 608#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 607#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 606#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 605#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 604#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 603#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 602#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 601#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 600#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 599#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 598#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 597#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 596#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 595#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 594#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 593#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 592#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 591#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 590#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 589#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 588#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 587#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 586#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 585#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 584#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 583#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 582#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 581#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 580#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 579#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 578#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 577#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 576#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 575#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 574#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 573#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 572#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 571#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 570#L20-3 assume !(main_~i~0#1 < 100000); 569#L20-4 assume main_~pos~0#1 >= 0 && main_~pos~0#1 < 100000;call write~int(main_~marker~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~pos~0#1, 4);main_~i~1#1 := 0; 568#L28-3 [2021-12-07 00:27:24,523 INFO L793 eck$LassoCheckResult]: Loop: 568#L28-3 call main_#t~mem5#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~1#1, 4); 567#L28-1 assume !!(main_#t~mem5#1 != main_~marker~0#1);havoc main_#t~mem5#1;main_~i~1#1 := 1 + main_~i~1#1; 568#L28-3 [2021-12-07 00:27:24,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:27:24,523 INFO L85 PathProgramCache]: Analyzing trace with hash 828161209, now seen corresponding path program 4 times [2021-12-07 00:27:24,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:27:24,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840602509] [2021-12-07 00:27:24,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:27:24,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:27:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:24,751 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:27:24,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:27:24,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840602509] [2021-12-07 00:27:24,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840602509] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:27:24,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217296438] [2021-12-07 00:27:24,755 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-07 00:27:24,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:27:24,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:24,756 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:27:24,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-12-07 00:27:24,811 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-07 00:27:24,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 00:27:24,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 24 conjunts are in the unsatisfiable core [2021-12-07 00:27:24,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:27:24,885 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:27:24,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:27:25,303 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:27:25,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217296438] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:27:25,303 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 00:27:25,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 49 [2021-12-07 00:27:25,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497837385] [2021-12-07 00:27:25,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 00:27:25,304 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:27:25,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:27:25,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 5 times [2021-12-07 00:27:25,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:27:25,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095849358] [2021-12-07 00:27:25,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:27:25,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:27:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:27:25,308 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:27:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:27:25,312 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:27:25,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:27:25,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-12-07 00:27:25,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2021-12-07 00:27:25,333 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. cyclomatic complexity: 3 Second operand has 49 states, 49 states have (on average 1.9795918367346939) internal successors, (97), 49 states have internal predecessors, (97), 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) [2021-12-07 00:27:25,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:27:25,437 INFO L93 Difference]: Finished difference Result 98 states and 99 transitions. [2021-12-07 00:27:25,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-12-07 00:27:25,438 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 99 transitions. [2021-12-07 00:27:25,441 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 00:27:25,442 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 98 states and 99 transitions. [2021-12-07 00:27:25,442 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-12-07 00:27:25,442 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-12-07 00:27:25,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 99 transitions. [2021-12-07 00:27:25,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:27:25,443 INFO L681 BuchiCegarLoop]: Abstraction has 98 states and 99 transitions. [2021-12-07 00:27:25,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 99 transitions. [2021-12-07 00:27:25,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2021-12-07 00:27:25,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 98 states have (on average 1.010204081632653) internal successors, (99), 97 states have internal predecessors, (99), 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) [2021-12-07 00:27:25,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 99 transitions. [2021-12-07 00:27:25,454 INFO L704 BuchiCegarLoop]: Abstraction has 98 states and 99 transitions. [2021-12-07 00:27:25,454 INFO L587 BuchiCegarLoop]: Abstraction has 98 states and 99 transitions. [2021-12-07 00:27:25,454 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-07 00:27:25,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 98 states and 99 transitions. [2021-12-07 00:27:25,456 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 00:27:25,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:27:25,456 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:27:25,460 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [46, 46, 1, 1, 1, 1] [2021-12-07 00:27:25,460 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:27:25,460 INFO L791 eck$LassoCheckResult]: Stem: 1042#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(22, 2); 1043#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet4#1, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_~i~1#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~marker~0#1, main_~pos~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~marker~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~pos~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~i~0#1 := 0; 1044#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1045#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1046#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1047#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1048#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1139#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1138#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1137#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1136#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1135#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1134#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1133#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1132#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1131#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1130#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1129#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1128#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1127#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1126#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1125#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1124#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1123#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1122#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1121#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1120#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1119#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1118#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1117#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1116#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1115#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1114#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1113#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1112#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1111#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1110#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1109#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1108#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1107#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1106#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1105#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1104#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1103#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1102#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1101#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1100#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1099#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1098#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1097#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1096#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1095#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1094#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1093#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1092#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1091#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1090#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1089#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1088#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1087#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1086#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1085#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1084#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1083#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1082#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1081#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1080#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1079#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1078#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1077#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1076#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1075#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1074#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1073#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1072#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1071#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1070#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1069#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1068#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1067#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1066#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1065#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1064#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1063#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1062#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1061#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1060#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1059#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1058#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1057#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1056#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1055#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1054#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1053#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1052#L20-3 assume !(main_~i~0#1 < 100000); 1051#L20-4 assume main_~pos~0#1 >= 0 && main_~pos~0#1 < 100000;call write~int(main_~marker~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~pos~0#1, 4);main_~i~1#1 := 0; 1050#L28-3 [2021-12-07 00:27:25,460 INFO L793 eck$LassoCheckResult]: Loop: 1050#L28-3 call main_#t~mem5#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~1#1, 4); 1049#L28-1 assume !!(main_#t~mem5#1 != main_~marker~0#1);havoc main_#t~mem5#1;main_~i~1#1 := 1 + main_~i~1#1; 1050#L28-3 [2021-12-07 00:27:25,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:27:25,461 INFO L85 PathProgramCache]: Analyzing trace with hash 830581481, now seen corresponding path program 5 times [2021-12-07 00:27:25,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:27:25,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350496449] [2021-12-07 00:27:25,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:27:25,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:27:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:26,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:27:26,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:27:26,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350496449] [2021-12-07 00:27:26,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350496449] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:27:26,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715115643] [2021-12-07 00:27:26,103 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-07 00:27:26,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:27:26,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:26,104 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:27:26,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-12-07 00:27:30,226 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2021-12-07 00:27:30,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 00:27:30,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 48 conjunts are in the unsatisfiable core [2021-12-07 00:27:30,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:27:30,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:27:30,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:27:31,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:27:31,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715115643] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:27:31,844 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 00:27:31,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 97 [2021-12-07 00:27:31,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970602295] [2021-12-07 00:27:31,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 00:27:31,845 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:27:31,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:27:31,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 6 times [2021-12-07 00:27:31,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:27:31,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103022801] [2021-12-07 00:27:31,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:27:31,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:27:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:27:31,848 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:27:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:27:31,850 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:27:31,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:27:31,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2021-12-07 00:27:31,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2021-12-07 00:27:31,872 INFO L87 Difference]: Start difference. First operand 98 states and 99 transitions. cyclomatic complexity: 3 Second operand has 97 states, 97 states have (on average 1.9896907216494846) internal successors, (193), 97 states have internal predecessors, (193), 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) [2021-12-07 00:27:32,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:27:32,133 INFO L93 Difference]: Finished difference Result 194 states and 195 transitions. [2021-12-07 00:27:32,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-12-07 00:27:32,134 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 194 states and 195 transitions. [2021-12-07 00:27:32,136 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 00:27:32,139 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 194 states to 194 states and 195 transitions. [2021-12-07 00:27:32,139 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-12-07 00:27:32,139 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-12-07 00:27:32,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 194 states and 195 transitions. [2021-12-07 00:27:32,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:27:32,140 INFO L681 BuchiCegarLoop]: Abstraction has 194 states and 195 transitions. [2021-12-07 00:27:32,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states and 195 transitions. [2021-12-07 00:27:32,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2021-12-07 00:27:32,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 194 states have (on average 1.0051546391752577) internal successors, (195), 193 states have internal predecessors, (195), 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) [2021-12-07 00:27:32,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 195 transitions. [2021-12-07 00:27:32,151 INFO L704 BuchiCegarLoop]: Abstraction has 194 states and 195 transitions. [2021-12-07 00:27:32,151 INFO L587 BuchiCegarLoop]: Abstraction has 194 states and 195 transitions. [2021-12-07 00:27:32,151 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-07 00:27:32,151 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 194 states and 195 transitions. [2021-12-07 00:27:32,153 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 00:27:32,153 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:27:32,153 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:27:32,157 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [94, 94, 1, 1, 1, 1] [2021-12-07 00:27:32,157 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:27:32,157 INFO L791 eck$LassoCheckResult]: Stem: 2004#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(22, 2); 2005#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet4#1, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_~i~1#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~marker~0#1, main_~pos~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~marker~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~pos~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~i~0#1 := 0; 2006#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2007#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2008#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2009#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2010#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2197#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2196#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2195#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2194#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2193#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2192#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2191#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2190#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2189#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2188#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2187#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2186#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2185#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2184#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2183#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2182#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2181#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2180#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2179#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2178#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2177#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2176#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2175#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2174#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2173#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2172#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2171#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2170#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2169#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2168#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2167#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2166#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2165#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2164#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2163#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2162#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2161#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2160#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2159#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2158#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2157#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2156#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2155#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2154#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2153#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2152#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2151#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2150#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2149#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2148#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2147#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2146#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2145#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2144#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2143#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2142#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2141#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2140#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2139#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2138#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2137#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2136#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2135#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2134#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2133#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2132#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2131#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2130#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2129#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2128#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2127#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2126#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2125#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2124#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2123#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2122#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2121#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2120#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2119#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2118#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2117#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2116#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2115#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2114#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2113#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2112#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2111#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2110#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2109#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2108#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2107#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2106#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2105#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2104#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2103#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2102#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2101#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2100#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2099#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2098#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2097#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2096#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2095#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2094#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2093#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2092#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2091#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2090#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2089#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2088#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2087#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2086#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2085#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2084#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2083#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2082#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2081#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2080#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2079#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2078#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2077#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2076#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2075#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2074#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2073#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2072#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2071#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2070#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2069#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2068#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2067#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2066#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2065#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2064#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2063#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2062#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2061#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2060#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2059#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2058#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2057#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2056#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2055#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2054#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2053#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2052#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2051#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2050#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2049#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2048#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2047#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2046#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2045#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2044#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2043#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2042#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2041#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2040#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2039#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2038#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2037#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2036#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2035#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2034#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2033#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2032#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2031#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2030#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2029#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2028#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2027#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2026#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2025#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2024#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2023#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2022#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2021#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2020#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2019#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2018#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2017#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2016#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2015#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2014#L20-3 assume !(main_~i~0#1 < 100000); 2013#L20-4 assume main_~pos~0#1 >= 0 && main_~pos~0#1 < 100000;call write~int(main_~marker~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~pos~0#1, 4);main_~i~1#1 := 0; 2012#L28-3 [2021-12-07 00:27:32,157 INFO L793 eck$LassoCheckResult]: Loop: 2012#L28-3 call main_#t~mem5#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~1#1, 4); 2011#L28-1 assume !!(main_#t~mem5#1 != main_~marker~0#1);havoc main_#t~mem5#1;main_~i~1#1 := 1 + main_~i~1#1; 2012#L28-3 [2021-12-07 00:27:32,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:27:32,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1165371209, now seen corresponding path program 6 times [2021-12-07 00:27:32,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:27:32,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446664534] [2021-12-07 00:27:32,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:27:32,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:27:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,072 INFO L134 CoverageAnalysis]: Checked inductivity of 8836 backedges. 0 proven. 8836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:27:34,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:27:34,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446664534] [2021-12-07 00:27:34,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446664534] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:27:34,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970528397] [2021-12-07 00:27:34,073 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-07 00:27:34,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:27:34,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:27:34,073 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:27:34,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe1375a-ed68-4981-8f1e-bdfa2f59bb2e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process