./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/bin/ukojak-fKGseLULKY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93bb43afb01d6e3a62dc39071b7659c8b1c085d1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:20:57,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:20:57,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:20:57,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:20:57,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:20:57,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:20:57,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:20:57,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:20:57,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:20:57,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:20:57,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:20:57,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:20:57,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:20:57,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:20:57,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:20:57,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:20:57,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:20:57,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:20:57,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:20:57,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:20:57,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:20:57,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:20:57,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:20:57,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:20:57,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:20:57,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:20:57,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:20:57,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:20:57,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:20:57,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:20:57,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:20:57,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:20:57,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:20:57,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:20:57,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:20:57,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:20:57,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:20:57,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:20:57,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:20:57,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:20:57,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:20:57,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-13 04:20:57,831 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:20:57,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:20:57,833 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:20:57,833 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:20:57,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:20:57,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:20:57,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:20:57,835 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 04:20:57,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:20:57,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 04:20:57,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:20:57,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:20:57,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:20:57,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:20:57,838 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 04:20:57,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:20:57,839 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:20:57,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:20:57,839 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:20:57,840 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:20:57,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:20:57,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:20:57,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:20:57,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:20:57,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:20:57,842 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:20:57,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:20:57,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:20:57,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93bb43afb01d6e3a62dc39071b7659c8b1c085d1 [2021-10-13 04:20:58,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:20:58,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:20:58,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:20:58,187 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:20:58,189 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:20:58,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2021-10-13 04:20:58,275 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/bin/ukojak-fKGseLULKY/data/116d1a040/af353f64d4414284aab4729a924b0c68/FLAG3f79b0841 [2021-10-13 04:20:58,901 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:20:58,905 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2021-10-13 04:20:58,919 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/bin/ukojak-fKGseLULKY/data/116d1a040/af353f64d4414284aab4729a924b0c68/FLAG3f79b0841 [2021-10-13 04:20:59,240 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/bin/ukojak-fKGseLULKY/data/116d1a040/af353f64d4414284aab4729a924b0c68 [2021-10-13 04:20:59,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:20:59,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:20:59,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:20:59,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:20:59,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:20:59,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:20:59" (1/1) ... [2021-10-13 04:20:59,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3cd7ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:59, skipping insertion in model container [2021-10-13 04:20:59,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:20:59" (1/1) ... [2021-10-13 04:20:59,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:20:59,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:20:59,498 WARN L228 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_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i[893,906] [2021-10-13 04:20:59,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:20:59,531 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:20:59,545 WARN L228 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_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i[893,906] [2021-10-13 04:20:59,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:20:59,579 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:20:59,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:59 WrapperNode [2021-10-13 04:20:59,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:20:59,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:20:59,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:20:59,583 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:20:59,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:59" (1/1) ... [2021-10-13 04:20:59,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:59" (1/1) ... [2021-10-13 04:20:59,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:20:59,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:20:59,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:20:59,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:20:59,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:59" (1/1) ... [2021-10-13 04:20:59,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:59" (1/1) ... [2021-10-13 04:20:59,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:59" (1/1) ... [2021-10-13 04:20:59,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:59" (1/1) ... [2021-10-13 04:20:59,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:59" (1/1) ... [2021-10-13 04:20:59,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:59" (1/1) ... [2021-10-13 04:20:59,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:59" (1/1) ... [2021-10-13 04:20:59,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:20:59,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:20:59,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:20:59,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:20:59,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:59" (1/1) ... [2021-10-13 04:20:59,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:20:59,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:20:59,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:20:59,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:20:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 04:20:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 04:20:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:20:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:20:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-13 04:20:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-13 04:21:00,058 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:21:00,059 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 04:21:00,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:21:00 BoogieIcfgContainer [2021-10-13 04:21:00,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:21:00,063 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:21:00,063 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:21:00,074 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:21:00,075 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:21:00" (1/1) ... [2021-10-13 04:21:00,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:21:00,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:00,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2021-10-13 04:21:00,161 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2021-10-13 04:21:00,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 04:21:00,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:00,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:00,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:21:00,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:00,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 96 transitions. [2021-10-13 04:21:00,624 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 96 transitions. [2021-10-13 04:21:00,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 04:21:00,627 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:00,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:00,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:21:00,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:00,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 49 states and 95 transitions. [2021-10-13 04:21:00,900 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2021-10-13 04:21:00,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 04:21:00,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:00,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:01,004 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 04:21:01,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:01,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 49 states and 94 transitions. [2021-10-13 04:21:01,101 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2021-10-13 04:21:01,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 04:21:01,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:01,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:01,212 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 04:21:01,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:01,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 49 states and 93 transitions. [2021-10-13 04:21:01,353 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2021-10-13 04:21:01,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 04:21:01,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:01,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:01,490 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 04:21:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:01,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 51 states and 96 transitions. [2021-10-13 04:21:01,654 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2021-10-13 04:21:01,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 04:21:01,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:01,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:01,772 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 04:21:01,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:01,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 52 states and 97 transitions. [2021-10-13 04:21:01,798 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2021-10-13 04:21:01,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 04:21:01,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:01,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:01,918 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 04:21:01,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:01,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 97 transitions. [2021-10-13 04:21:01,949 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2021-10-13 04:21:01,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-13 04:21:01,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:01,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:02,028 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-13 04:21:02,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 56 states and 103 transitions. [2021-10-13 04:21:02,068 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 103 transitions. [2021-10-13 04:21:02,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-13 04:21:02,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:02,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:02,152 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-13 04:21:02,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:02,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 57 states and 104 transitions. [2021-10-13 04:21:02,179 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2021-10-13 04:21:02,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-13 04:21:02,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:02,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-13 04:21:02,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:02,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 59 states and 106 transitions. [2021-10-13 04:21:02,281 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 106 transitions. [2021-10-13 04:21:02,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-13 04:21:02,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:02,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:02,367 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-13 04:21:02,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:02,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 62 states and 111 transitions. [2021-10-13 04:21:02,594 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 111 transitions. [2021-10-13 04:21:02,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-13 04:21:02,595 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:02,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:02,676 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-13 04:21:02,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:02,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 62 states and 109 transitions. [2021-10-13 04:21:02,800 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 109 transitions. [2021-10-13 04:21:02,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-13 04:21:02,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:02,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:02,874 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-10-13 04:21:02,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:03,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 58 states and 103 transitions. [2021-10-13 04:21:03,000 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 103 transitions. [2021-10-13 04:21:03,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-13 04:21:03,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:03,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:03,047 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-13 04:21:03,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:03,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 58 states and 102 transitions. [2021-10-13 04:21:03,176 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 102 transitions. [2021-10-13 04:21:03,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-13 04:21:03,177 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:03,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:03,228 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-10-13 04:21:03,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:03,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 58 states and 101 transitions. [2021-10-13 04:21:03,598 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 101 transitions. [2021-10-13 04:21:03,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-13 04:21:03,599 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:03,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-13 04:21:03,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:03,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 52 states and 91 transitions. [2021-10-13 04:21:03,711 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2021-10-13 04:21:03,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-13 04:21:03,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:03,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:03,786 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-10-13 04:21:03,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:03,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 90 transitions. [2021-10-13 04:21:03,838 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2021-10-13 04:21:03,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-10-13 04:21:03,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:03,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:03,901 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-10-13 04:21:03,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:03,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 52 states and 89 transitions. [2021-10-13 04:21:03,973 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2021-10-13 04:21:03,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-13 04:21:03,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:03,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:04,034 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 43 proven. 4 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-10-13 04:21:04,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:04,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 54 states and 92 transitions. [2021-10-13 04:21:04,067 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2021-10-13 04:21:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-13 04:21:04,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:04,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:04,121 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 48 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-10-13 04:21:04,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:04,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 57 states and 97 transitions. [2021-10-13 04:21:04,155 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2021-10-13 04:21:04,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-13 04:21:04,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:04,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:04,264 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-13 04:21:04,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:04,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 57 states and 96 transitions. [2021-10-13 04:21:04,570 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 96 transitions. [2021-10-13 04:21:04,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-13 04:21:04,571 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:04,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:04,661 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-13 04:21:05,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:05,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 59 states and 99 transitions. [2021-10-13 04:21:05,237 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 99 transitions. [2021-10-13 04:21:05,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-10-13 04:21:05,238 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:05,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:05,341 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-13 04:21:06,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:06,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 66 states and 114 transitions. [2021-10-13 04:21:06,241 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 114 transitions. [2021-10-13 04:21:06,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-13 04:21:06,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:06,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:06,327 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-13 04:21:07,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:07,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 72 states and 129 transitions. [2021-10-13 04:21:07,011 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 129 transitions. [2021-10-13 04:21:07,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-13 04:21:07,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:07,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:07,044 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 51 proven. 16 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2021-10-13 04:21:07,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:07,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 73 states and 130 transitions. [2021-10-13 04:21:07,391 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 130 transitions. [2021-10-13 04:21:07,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-13 04:21:07,392 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:07,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:07,422 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 56 proven. 16 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-10-13 04:21:07,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:07,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 77 states and 139 transitions. [2021-10-13 04:21:07,823 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 139 transitions. [2021-10-13 04:21:07,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-13 04:21:07,824 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:07,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:07,857 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2021-10-13 04:21:07,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:07,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 78 states and 141 transitions. [2021-10-13 04:21:07,884 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 141 transitions. [2021-10-13 04:21:07,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-10-13 04:21:07,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:07,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:08,020 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-10-13 04:21:08,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:08,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 80 states and 145 transitions. [2021-10-13 04:21:08,514 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 145 transitions. [2021-10-13 04:21:08,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-10-13 04:21:08,515 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:08,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-10-13 04:21:09,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:09,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 84 states and 154 transitions. [2021-10-13 04:21:09,170 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 154 transitions. [2021-10-13 04:21:09,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-13 04:21:09,172 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:09,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:09,266 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 40 proven. 5 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-10-13 04:21:10,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:10,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 92 states and 170 transitions. [2021-10-13 04:21:10,191 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 170 transitions. [2021-10-13 04:21:10,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-13 04:21:10,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:21:10,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:21:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:21:10,288 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-10-13 04:21:10,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:21:10,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 55 states and 93 transitions. [2021-10-13 04:21:10,955 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2021-10-13 04:21:10,955 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 04:21:10,956 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2021-10-13 04:21:10,962 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-13 04:21:11,162 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:21:11,166 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:21:11,166 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:21:11,166 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:21:11,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:21:11 ImpRootNode [2021-10-13 04:21:11,167 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:21:11,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:21:11,167 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:21:11,168 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:21:11,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:21:00" (3/4) ... [2021-10-13 04:21:11,172 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 04:21:11,178 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-13 04:21:11,187 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-13 04:21:11,187 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 04:21:11,187 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 04:21:11,188 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 04:21:11,271 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:21:11,278 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:21:11,280 INFO L168 Benchmark]: Toolchain (without parser) took 12034.65 ms. Allocated memory was 127.9 MB in the beginning and 159.4 MB in the end (delta: 31.5 MB). Free memory was 89.2 MB in the beginning and 50.6 MB in the end (delta: 38.7 MB). Peak memory consumption was 70.3 MB. Max. memory is 16.1 GB. [2021-10-13 04:21:11,281 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 127.9 MB. Free memory was 105.7 MB in the beginning and 105.7 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:21:11,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.09 ms. Allocated memory is still 127.9 MB. Free memory was 89.1 MB in the beginning and 100.8 MB in the end (delta: -11.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:21:11,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.00 ms. Allocated memory is still 127.9 MB. Free memory was 100.8 MB in the beginning and 99.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:21:11,283 INFO L168 Benchmark]: Boogie Preprocessor took 22.19 ms. Allocated memory is still 127.9 MB. Free memory was 99.1 MB in the beginning and 97.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:21:11,283 INFO L168 Benchmark]: RCFGBuilder took 395.71 ms. Allocated memory is still 127.9 MB. Free memory was 97.6 MB in the beginning and 84.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 04:21:11,283 INFO L168 Benchmark]: CodeCheck took 11104.44 ms. Allocated memory was 127.9 MB in the beginning and 159.4 MB in the end (delta: 31.5 MB). Free memory was 84.4 MB in the beginning and 54.7 MB in the end (delta: 29.7 MB). Peak memory consumption was 62.5 MB. Max. memory is 16.1 GB. [2021-10-13 04:21:11,284 INFO L168 Benchmark]: Witness Printer took 111.16 ms. Allocated memory is still 159.4 MB. Free memory was 54.7 MB in the beginning and 50.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 04:21:11,286 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10859.1ms, OverallIterations: 32, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1368562304 SDtfs, -521921950 SDslu, 555119726 SDs, 0 SdLazy, 1426854300 SolverSat, -1797586976 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11202.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15344 GetRequests, 14875 SyntacticMatches, 289 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16140 ImplicationChecksByTransitivity, 7058.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 82.7ms SsaConstructionTime, 404.4ms SatisfiabilityAnalysisTime, 2007.8ms InterpolantComputationTime, 1969 NumberOfCodeBlocks, 1969 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1938 ConstructedInterpolants, 0 QuantifiedInterpolants, 3478 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 17 PerfectInterpolantSequences, 6559/6633 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 127.9 MB. Free memory was 105.7 MB in the beginning and 105.7 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 333.09 ms. Allocated memory is still 127.9 MB. Free memory was 89.1 MB in the beginning and 100.8 MB in the end (delta: -11.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.00 ms. Allocated memory is still 127.9 MB. Free memory was 100.8 MB in the beginning and 99.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.19 ms. Allocated memory is still 127.9 MB. Free memory was 99.1 MB in the beginning and 97.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 395.71 ms. Allocated memory is still 127.9 MB. Free memory was 97.6 MB in the beginning and 84.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 11104.44 ms. Allocated memory was 127.9 MB in the beginning and 159.4 MB in the end (delta: 31.5 MB). Free memory was 84.4 MB in the beginning and 54.7 MB in the end (delta: 29.7 MB). Peak memory consumption was 62.5 MB. Max. memory is 16.1 GB. * Witness Printer took 111.16 ms. Allocated memory is still 159.4 MB. Free memory was 54.7 MB in the beginning and 50.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 04:21:11,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f48153a-7b0b-4ade-aeda-d609ca3d9e3d/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...