./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e36f78-8f41-4e3e-8a0d-e6c9fd3dc8ee/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e36f78-8f41-4e3e-8a0d-e6c9fd3dc8ee/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e36f78-8f41-4e3e-8a0d-e6c9fd3dc8ee/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e36f78-8f41-4e3e-8a0d-e6c9fd3dc8ee/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e36f78-8f41-4e3e-8a0d-e6c9fd3dc8ee/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e36f78-8f41-4e3e-8a0d-e6c9fd3dc8ee/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:09:32,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:09:32,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:09:32,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:09:32,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:09:32,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:09:32,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:09:32,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:09:32,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:09:32,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:09:32,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:09:32,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:09:32,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:09:32,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:09:32,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:09:32,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:09:32,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:09:32,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:09:32,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:09:32,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:09:32,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:09:32,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:09:32,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:09:32,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:09:32,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:09:32,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:09:32,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:09:32,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:09:32,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:09:32,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:09:32,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:09:32,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:09:32,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:09:32,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:09:32,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:09:32,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:09:32,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:09:32,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:09:32,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:09:32,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:09:32,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:09:32,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e36f78-8f41-4e3e-8a0d-e6c9fd3dc8ee/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2021-11-22 23:09:32,720 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:09:32,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:09:32,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:09:32,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:09:32,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:09:32,723 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:09:32,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:09:32,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:09:32,729 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 23:09:32,730 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 23:09:32,731 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-22 23:09:32,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:09:32,732 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:09:32,732 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:09:32,732 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:09:32,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:09:32,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:09:32,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:09:32,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:09:32,733 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:09:32,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:09:32,734 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_74e36f78-8f41-4e3e-8a0d-e6c9fd3dc8ee/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e36f78-8f41-4e3e-8a0d-e6c9fd3dc8ee/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 [2021-11-22 23:09:33,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:09:33,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:09:33,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:09:33,101 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:09:33,102 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:09:33,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e36f78-8f41-4e3e-8a0d-e6c9fd3dc8ee/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2021-11-22 23:09:33,181 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e36f78-8f41-4e3e-8a0d-e6c9fd3dc8ee/bin/ukojak-LBtLqBUTdQ/data/fe29a5389/0c7504ffd6444ed4ba81795174598012/FLAG33004caaf [2021-11-22 23:09:33,719 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:09:33,719 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e36f78-8f41-4e3e-8a0d-e6c9fd3dc8ee/sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2021-11-22 23:09:33,725 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e36f78-8f41-4e3e-8a0d-e6c9fd3dc8ee/bin/ukojak-LBtLqBUTdQ/data/fe29a5389/0c7504ffd6444ed4ba81795174598012/FLAG33004caaf [2021-11-22 23:09:34,104 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e36f78-8f41-4e3e-8a0d-e6c9fd3dc8ee/bin/ukojak-LBtLqBUTdQ/data/fe29a5389/0c7504ffd6444ed4ba81795174598012 [2021-11-22 23:09:34,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:09:34,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:09:34,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:09:34,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:09:34,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:09:34,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:34" (1/1) ... [2021-11-22 23:09:34,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b8cfe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:34, skipping insertion in model container [2021-11-22 23:09:34,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:34" (1/1) ... [2021-11-22 23:09:34,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:09:34,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:09:34,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:09:34,315 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:09:34,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:09:34,345 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:09:34,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:34 WrapperNode [2021-11-22 23:09:34,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:09:34,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:09:34,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:09:34,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:09:34,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:34" (1/1) ... [2021-11-22 23:09:34,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:34" (1/1) ... [2021-11-22 23:09:34,390 INFO L137 Inliner]: procedures = 7, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2021-11-22 23:09:34,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:09:34,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:09:34,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:09:34,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:09:34,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:34" (1/1) ... [2021-11-22 23:09:34,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:34" (1/1) ... [2021-11-22 23:09:34,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:34" (1/1) ... [2021-11-22 23:09:34,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:34" (1/1) ... [2021-11-22 23:09:34,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:34" (1/1) ... [2021-11-22 23:09:34,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:34" (1/1) ... [2021-11-22 23:09:34,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:34" (1/1) ... [2021-11-22 23:09:34,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:09:34,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:09:34,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:09:34,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:09:34,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:34" (1/1) ... [2021-11-22 23:09:34,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:09:34,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e36f78-8f41-4e3e-8a0d-e6c9fd3dc8ee/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:09:34,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e36f78-8f41-4e3e-8a0d-e6c9fd3dc8ee/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:09:34,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e36f78-8f41-4e3e-8a0d-e6c9fd3dc8ee/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:09:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:09:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:09:34,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:09:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:09:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:09:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:09:34,579 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:09:34,581 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:09:34,798 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:09:34,812 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:09:34,812 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:09:34,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:34 BoogieIcfgContainer [2021-11-22 23:09:34,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:09:34,831 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:09:34,831 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:09:34,858 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:09:34,858 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:34" (1/1) ... [2021-11-22 23:09:34,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:09:34,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:34,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 54 states and 58 transitions. [2021-11-22 23:09:34,984 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2021-11-22 23:09:34,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-22 23:09:34,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:34,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:35,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:35,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:35,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 53 states and 57 transitions. [2021-11-22 23:09:35,294 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2021-11-22 23:09:35,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-22 23:09:35,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:35,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:35,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:35,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 52 states and 56 transitions. [2021-11-22 23:09:35,496 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2021-11-22 23:09:35,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:09:35,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:35,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:35,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:35,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:35,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 51 states and 55 transitions. [2021-11-22 23:09:35,671 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2021-11-22 23:09:35,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:09:35,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:35,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:35,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:36,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:36,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 50 states and 54 transitions. [2021-11-22 23:09:36,024 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2021-11-22 23:09:36,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:09:36,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:36,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:36,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:36,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:36,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2021-11-22 23:09:36,340 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2021-11-22 23:09:36,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:09:36,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:36,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:36,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:36,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:36,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2021-11-22 23:09:36,861 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2021-11-22 23:09:36,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:09:36,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:36,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:36,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:37,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:37,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2021-11-22 23:09:37,454 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2021-11-22 23:09:37,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:09:37,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:37,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:37,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:38,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:38,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2021-11-22 23:09:38,255 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2021-11-22 23:09:38,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:09:38,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:38,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:38,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:38,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:38,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 47 states and 53 transitions. [2021-11-22 23:09:38,293 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2021-11-22 23:09:38,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:09:38,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:38,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:38,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:38,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:38,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2021-11-22 23:09:38,662 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2021-11-22 23:09:38,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:09:38,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:38,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:38,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:39,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:39,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2021-11-22 23:09:39,315 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2021-11-22 23:09:39,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:09:39,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:39,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:39,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:40,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:40,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 75 transitions. [2021-11-22 23:09:40,412 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2021-11-22 23:09:40,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:09:40,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:40,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:40,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:41,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:41,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 56 states and 80 transitions. [2021-11-22 23:09:41,013 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 80 transitions. [2021-11-22 23:09:41,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:09:41,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:41,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:41,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:41,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:41,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 55 states and 79 transitions. [2021-11-22 23:09:41,067 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-11-22 23:09:41,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:09:41,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:41,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:41,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:41,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:41,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 83 transitions. [2021-11-22 23:09:41,140 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2021-11-22 23:09:41,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:09:41,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:41,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:41,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:41,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:41,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 82 transitions. [2021-11-22 23:09:41,194 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2021-11-22 23:09:41,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:09:41,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:41,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:41,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:41,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:41,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 83 transitions. [2021-11-22 23:09:41,249 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2021-11-22 23:09:41,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:09:41,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:41,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:41,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:09:41,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:41,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 88 transitions. [2021-11-22 23:09:41,732 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2021-11-22 23:09:41,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:09:41,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:41,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:41,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:09:42,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:42,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 87 transitions. [2021-11-22 23:09:42,069 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2021-11-22 23:09:42,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:09:42,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:42,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:42,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:43,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:43,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 67 states and 98 transitions. [2021-11-22 23:09:43,496 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2021-11-22 23:09:43,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:09:43,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:43,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:43,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:45,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:45,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 73 states and 110 transitions. [2021-11-22 23:09:45,447 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2021-11-22 23:09:45,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:45,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:45,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:45,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:45,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:45,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 72 states and 109 transitions. [2021-11-22 23:09:45,479 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2021-11-22 23:09:45,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:45,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:45,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:45,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:45,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:45,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 74 states and 112 transitions. [2021-11-22 23:09:45,520 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2021-11-22 23:09:45,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:45,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:45,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:45,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:45,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:45,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 73 states and 111 transitions. [2021-11-22 23:09:45,558 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 111 transitions. [2021-11-22 23:09:45,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:45,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:45,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:45,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:45,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:45,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 74 states and 116 transitions. [2021-11-22 23:09:45,609 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 116 transitions. [2021-11-22 23:09:45,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:09:45,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:45,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:45,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:48,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:48,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 79 states and 125 transitions. [2021-11-22 23:09:48,494 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 125 transitions. [2021-11-22 23:09:48,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:09:48,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:48,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:48,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:50,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:50,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 88 states and 142 transitions. [2021-11-22 23:09:50,062 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 142 transitions. [2021-11-22 23:09:50,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:09:50,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:50,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:50,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:52,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:52,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 97 states and 160 transitions. [2021-11-22 23:09:52,583 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 160 transitions. [2021-11-22 23:09:52,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:09:52,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:52,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:52,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:09:53,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:53,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 168 transitions. [2021-11-22 23:09:53,538 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 168 transitions. [2021-11-22 23:09:53,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:09:53,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:53,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:53,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:09:54,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:54,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 104 states and 174 transitions. [2021-11-22 23:09:54,579 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 174 transitions. [2021-11-22 23:09:54,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:09:54,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:54,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:54,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:09:54,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:54,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 105 states and 174 transitions. [2021-11-22 23:09:54,936 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 174 transitions. [2021-11-22 23:09:54,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:09:54,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:54,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:54,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:09:55,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:55,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 106 states and 174 transitions. [2021-11-22 23:09:55,208 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 174 transitions. [2021-11-22 23:09:55,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:09:55,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:55,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:55,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:55,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:55,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 105 states and 173 transitions. [2021-11-22 23:09:55,247 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 173 transitions. [2021-11-22 23:09:55,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:09:55,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:55,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:55,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:55,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:55,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 107 states and 176 transitions. [2021-11-22 23:09:55,296 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 176 transitions. [2021-11-22 23:09:55,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:09:55,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:55,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:55,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:55,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:55,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 106 states and 175 transitions. [2021-11-22 23:09:55,354 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 175 transitions. [2021-11-22 23:09:55,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:09:55,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:55,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:55,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:55,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:55,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 107 states and 183 transitions. [2021-11-22 23:09:55,448 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 183 transitions. [2021-11-22 23:09:55,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:09:55,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:55,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:09:56,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:56,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 110 states and 189 transitions. [2021-11-22 23:09:56,173 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 189 transitions. [2021-11-22 23:09:56,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:09:56,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:56,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:56,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:09:56,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:56,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 111 states and 191 transitions. [2021-11-22 23:09:56,513 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 191 transitions. [2021-11-22 23:09:56,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:09:56,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:56,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:56,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:57,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:57,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 116 states and 200 transitions. [2021-11-22 23:09:57,133 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 200 transitions. [2021-11-22 23:09:57,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:09:57,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:57,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:57,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:57,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:57,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 121 states and 207 transitions. [2021-11-22 23:09:57,641 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 207 transitions. [2021-11-22 23:09:57,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:09:57,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:57,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:57,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:09:57,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 122 states and 207 transitions. [2021-11-22 23:09:57,691 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 207 transitions. [2021-11-22 23:09:57,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:09:57,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:57,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:57,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:09:57,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:57,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 123 states and 207 transitions. [2021-11-22 23:09:57,752 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 207 transitions. [2021-11-22 23:09:57,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:09:57,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:57,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:58,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:03,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:03,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 131 states and 221 transitions. [2021-11-22 23:10:03,162 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 221 transitions. [2021-11-22 23:10:03,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:10:03,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:03,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:03,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:10:03,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:03,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 132 states and 223 transitions. [2021-11-22 23:10:03,666 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 223 transitions. [2021-11-22 23:10:03,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:10:03,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:03,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:03,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:10:03,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:03,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 133 states and 223 transitions. [2021-11-22 23:10:03,949 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 223 transitions. [2021-11-22 23:10:03,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:10:03,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:03,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:03,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:10:04,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:04,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 137 states and 229 transitions. [2021-11-22 23:10:04,697 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 229 transitions. [2021-11-22 23:10:04,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:10:04,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:04,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:04,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:10:05,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:05,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 141 states and 234 transitions. [2021-11-22 23:10:05,400 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 234 transitions. [2021-11-22 23:10:05,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:10:05,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:05,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:05,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:10:05,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:05,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 143 states and 236 transitions. [2021-11-22 23:10:05,436 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 236 transitions. [2021-11-22 23:10:05,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:10:05,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:05,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:05,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:10:05,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:05,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 145 states and 238 transitions. [2021-11-22 23:10:05,488 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 238 transitions. [2021-11-22 23:10:05,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:10:05,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:05,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:06,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:11,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:11,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 152 states and 250 transitions. [2021-11-22 23:10:11,081 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 250 transitions. [2021-11-22 23:10:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:10:11,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:11,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:12,519 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:15,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:15,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 157 states and 255 transitions. [2021-11-22 23:10:15,649 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 255 transitions. [2021-11-22 23:10:15,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:10:15,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:15,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:16,410 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:18,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:18,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 160 states and 260 transitions. [2021-11-22 23:10:18,585 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 260 transitions. [2021-11-22 23:10:18,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:10:18,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:18,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:18,658 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:10:19,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:19,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 161 states and 262 transitions. [2021-11-22 23:10:19,459 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 262 transitions. [2021-11-22 23:10:19,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:10:19,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:19,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:19,475 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:10:19,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:19,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 162 states and 262 transitions. [2021-11-22 23:10:19,872 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 262 transitions. [2021-11-22 23:10:19,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:10:19,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:19,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:21,719 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:31,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:31,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 173 states and 280 transitions. [2021-11-22 23:10:31,859 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 280 transitions. [2021-11-22 23:10:31,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:10:31,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:31,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:32,701 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:38,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:38,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 180 states and 290 transitions. [2021-11-22 23:10:38,974 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 290 transitions. [2021-11-22 23:10:38,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:10:38,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:38,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:41,527 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:07,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:07,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 204 states and 328 transitions. [2021-11-22 23:11:07,279 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 328 transitions. [2021-11-22 23:11:07,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:11:07,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:07,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:07,519 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:11,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:11,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 208 states and 331 transitions. [2021-11-22 23:11:11,305 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 331 transitions. [2021-11-22 23:11:11,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:11:11,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:11,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:15,162 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:25,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:25,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 212 states and 336 transitions. [2021-11-22 23:11:25,887 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 336 transitions. [2021-11-22 23:11:25,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:11:25,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:25,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:29,303 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:35,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:35,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 208 states and 330 transitions. [2021-11-22 23:11:35,784 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 330 transitions. [2021-11-22 23:11:35,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:11:35,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:35,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:40,030 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:12:21,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:21,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 236 states and 371 transitions. [2021-11-22 23:12:21,440 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 371 transitions. [2021-11-22 23:12:21,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:12:21,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:21,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:23,390 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:12:28,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:28,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 240 states and 374 transitions. [2021-11-22 23:12:28,471 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 374 transitions. [2021-11-22 23:12:28,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:12:28,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:28,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:28,490 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-22 23:12:32,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:32,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 240 states and 373 transitions. [2021-11-22 23:12:32,265 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 373 transitions. [2021-11-22 23:12:32,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:12:32,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:32,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:32,289 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-22 23:12:36,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:36,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 243 states and 375 transitions. [2021-11-22 23:12:36,218 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 375 transitions. [2021-11-22 23:12:36,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:12:36,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:36,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:37,630 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:12:48,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:48,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 247 states and 378 transitions. [2021-11-22 23:12:48,429 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 378 transitions. [2021-11-22 23:12:48,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:12:48,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:48,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:49,681 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:12:59,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:59,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 253 states and 385 transitions. [2021-11-22 23:12:59,676 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 385 transitions. [2021-11-22 23:12:59,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:12:59,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:59,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:02,289 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 43 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:13:12,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:12,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 259 states and 392 transitions. [2021-11-22 23:13:12,130 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 392 transitions. [2021-11-22 23:13:12,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:13:12,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:12,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:18,859 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:13:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:27,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 262 states and 394 transitions. [2021-11-22 23:13:27,862 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 394 transitions. [2021-11-22 23:13:27,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:13:27,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:27,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:28,729 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 43 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:13:33,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:33,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 262 states and 393 transitions. [2021-11-22 23:13:33,914 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 393 transitions. [2021-11-22 23:13:33,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:13:33,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:33,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:37,157 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:13:50,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:50,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 268 states and 400 transitions. [2021-11-22 23:13:50,118 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 400 transitions. [2021-11-22 23:13:50,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:13:50,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:50,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:53,426 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 42 proven. 43 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:13:59,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 268 states and 399 transitions. [2021-11-22 23:13:59,661 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 399 transitions. [2021-11-22 23:13:59,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:13:59,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:59,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:03,472 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 59 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:14:15,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:15,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 274 states and 404 transitions. [2021-11-22 23:14:15,976 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 404 transitions. [2021-11-22 23:14:15,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:14:15,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:15,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:17,147 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 48 proven. 28 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-22 23:14:23,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:23,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 275 states and 403 transitions. [2021-11-22 23:14:23,420 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 403 transitions. [2021-11-22 23:14:23,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:14:23,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:23,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:28,980 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 94 proven. 33 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-22 23:14:51,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:51,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 281 states and 410 transitions. [2021-11-22 23:14:51,516 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 410 transitions. [2021-11-22 23:14:51,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:14:51,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:51,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:01,294 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 88 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:17:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:21,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 331 states and 490 transitions. [2021-11-22 23:17:21,983 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 490 transitions. [2021-11-22 23:17:21,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:17:21,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:21,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:22,467 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 88 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:17:39,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:39,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 339 states and 497 transitions. [2021-11-22 23:17:39,507 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 497 transitions. [2021-11-22 23:17:39,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:17:39,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:39,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:40,498 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 106 proven. 28 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-22 23:18:04,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:04,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 345 states and 504 transitions. [2021-11-22 23:18:04,301 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 504 transitions. [2021-11-22 23:18:04,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:18:04,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:04,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:04,538 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 79 proven. 40 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-22 23:18:12,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:12,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 348 states and 507 transitions. [2021-11-22 23:18:12,934 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 507 transitions. [2021-11-22 23:18:12,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:18:12,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:12,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:21,041 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 145 proven. 30 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:19:12,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:12,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 367 states and 530 transitions. [2021-11-22 23:19:12,476 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 530 transitions. [2021-11-22 23:19:12,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:19:12,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:12,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:15,295 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 145 proven. 30 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:19:26,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 69 states and 68 transitions. [2021-11-22 23:19:26,329 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 68 transitions. [2021-11-22 23:19:26,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 23:19:26,329 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 81 iterations. [2021-11-22 23:19:26,339 INFO L754 CodeCheckObserver]: All specifications hold 31 specifications checked. All of them hold [2021-11-22 23:19:34,148 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-22 23:19:34,156 INFO L560 CodeCheckObserver]: Invariant with dag size 112 [2021-11-22 23:19:34,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:19:34 ImpRootNode [2021-11-22 23:19:34,184 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:19:34,185 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:19:34,185 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:19:34,185 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:19:34,186 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:34" (3/4) ... [2021-11-22 23:19:34,189 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 23:19:34,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-22 23:19:34,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-22 23:19:34,210 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 23:19:34,210 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 23:19:34,234 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && 0 == x3) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 + x2 <= unknown-#length-unknown[x2]) && 4 + x1 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(x1 == x0)) && \valid[x1] == 1) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(x3 == x2)) && !(unknown-#memory_int-unknown[x1 := unknown-#memory_int-unknown[x1][x1 := 1]][x0][x0] == 0)) && x2 == 0) && !(unknown-#memory_int-unknown[x0 := unknown-#memory_int-unknown[x0][x0 := 1]][x1][x1] == 0)) && unknown-#memory_int-unknown[x3 := unknown-#memory_int-unknown[x3][x3 := 0]][x2][x2] == 0) || ((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && 0 == x3) && !(x3 == x1)) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 + x2 <= unknown-#length-unknown[x2]) && 4 + x1 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(x2 == x0)) && \valid[x1] == 1) && !(unknown-#memory_int-unknown[x1 := unknown-#memory_int-unknown[x1][x1 := 0]][x0][x0] == 0)) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(unknown-#memory_int-unknown[x0 := unknown-#memory_int-unknown[x0][x0 := 1]][x2][x2] == 0)) && x2 == 0) && !(x2 == x1))) || (((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && 0 == x3) && !(x3 == x1)) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 + x2 <= unknown-#length-unknown[x2]) && 4 + x1 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && unknown-#memory_int-unknown[x0][x0] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && unknown-#memory_int-unknown[x2 := unknown-#memory_int-unknown[x2][x2 := 0]][x1][x1] == 0) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(x2 == x0)) && \valid[x1] == 1) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(x3 == x2)) && x2 == 0) && !(x2 == x1))) || ((((((((4 + x0 <= unknown-#length-unknown[x0] && 0 == x3) && 4 + x3 <= unknown-#length-unknown[x3]) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && \valid[x0] == 1) && \valid[x3] == 1) && !(unknown-#memory_int-unknown[x3][x3] == 0)) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int))))) || ((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && 0 == x3) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 + x2 <= unknown-#length-unknown[x2]) && 4 + x1 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && unknown-#memory_int-unknown[x1 := unknown-#memory_int-unknown[x1][x1 := 1]][x3][x3] == 0) && !(x1 == x0)) && !(x2 == x0)) && \valid[x1] == 1) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(x3 == x2)) && x2 == 0) && !(x3 == x0)) && unknown-#memory_int-unknown[x1 := unknown-#memory_int-unknown[x1][x1 := 0]][x0][x0] == 0) && !(x2 == x1)) [2021-11-22 23:19:34,235 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2021-11-22 23:19:34,254 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e36f78-8f41-4e3e-8a0d-e6c9fd3dc8ee/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:19:34,254 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:19:34,255 INFO L158 Benchmark]: Toolchain (without parser) took 600146.85ms. Allocated memory was 104.9MB in the beginning and 3.6GB in the end (delta: 3.5GB). Free memory was 73.6MB in the beginning and 2.9GB in the end (delta: -2.9GB). Peak memory consumption was 585.6MB. Max. memory is 16.1GB. [2021-11-22 23:19:34,255 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:19:34,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.24ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 73.2MB in the beginning and 107.5MB in the end (delta: -34.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:19:34,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.82ms. Allocated memory is still 132.1MB. Free memory was 107.5MB in the beginning and 105.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:19:34,257 INFO L158 Benchmark]: Boogie Preprocessor took 22.75ms. Allocated memory is still 132.1MB. Free memory was 105.9MB in the beginning and 104.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:19:34,257 INFO L158 Benchmark]: RCFGBuilder took 415.50ms. Allocated memory is still 132.1MB. Free memory was 104.9MB in the beginning and 91.2MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 23:19:34,258 INFO L158 Benchmark]: CodeCheck took 599353.25ms. Allocated memory was 132.1MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 91.2MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2021-11-22 23:19:34,258 INFO L158 Benchmark]: Witness Printer took 69.41ms. Allocated memory is still 3.6GB. Free memory was 3.0GB in the beginning and 2.9GB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 23:19:34,261 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 1 procedures, 54 locations, 31 error locations. Started 1 CEGAR loops. OverallTime: 591.4s, OverallIterations: 81, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24572 SdHoareTripleChecker+Valid, 122.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23238 mSDsluCounter, 15154 SdHoareTripleChecker+Invalid, 106.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13562 mSDsCounter, 15033 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69613 IncrementalHoareTripleChecker+Invalid, 84646 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15033 mSolverCounterUnsat, 1592 mSDtfsCounter, 69613 mSolverCounterSat, 1.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17575 GetRequests, 15145 SyntacticMatches, 854 SemanticMatches, 1576 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1479800 ImplicationChecksByTransitivity, 577.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 76.6s InterpolantComputationTime, 2004 NumberOfCodeBlocks, 2004 NumberOfCodeBlocksAsserted, 80 NumberOfCheckSat, 1924 ConstructedInterpolants, 0 QuantifiedInterpolants, 30504 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 80 InterpolantComputations, 53 PerfectInterpolantSequences, 1757/2294 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 11]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 11]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 20]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 20]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 21]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 21]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 23]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 23]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 24]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 24]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 25]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 25]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 27]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 27]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 28]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 28]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 6]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 31 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: (((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && 0 == x3) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 + x2 <= unknown-#length-unknown[x2]) && 4 + x1 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(x1 == x0)) && \valid[x1] == 1) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(x3 == x2)) && !(unknown-#memory_int-unknown[x1 := unknown-#memory_int-unknown[x1][x1 := 1]][x0][x0] == 0)) && x2 == 0) && !(unknown-#memory_int-unknown[x0 := unknown-#memory_int-unknown[x0][x0 := 1]][x1][x1] == 0)) && unknown-#memory_int-unknown[x3 := unknown-#memory_int-unknown[x3][x3 := 0]][x2][x2] == 0) || ((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && 0 == x3) && !(x3 == x1)) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 + x2 <= unknown-#length-unknown[x2]) && 4 + x1 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(x2 == x0)) && \valid[x1] == 1) && !(unknown-#memory_int-unknown[x1 := unknown-#memory_int-unknown[x1][x1 := 0]][x0][x0] == 0)) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(unknown-#memory_int-unknown[x0 := unknown-#memory_int-unknown[x0][x0 := 1]][x2][x2] == 0)) && x2 == 0) && !(x2 == x1))) || (((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && 0 == x3) && !(x3 == x1)) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 + x2 <= unknown-#length-unknown[x2]) && 4 + x1 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && unknown-#memory_int-unknown[x0][x0] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && unknown-#memory_int-unknown[x2 := unknown-#memory_int-unknown[x2][x2 := 0]][x1][x1] == 0) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(x2 == x0)) && \valid[x1] == 1) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(x3 == x2)) && x2 == 0) && !(x2 == x1))) || ((((((((4 + x0 <= unknown-#length-unknown[x0] && 0 == x3) && 4 + x3 <= unknown-#length-unknown[x3]) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && \valid[x0] == 1) && \valid[x3] == 1) && !(unknown-#memory_int-unknown[x3][x3] == 0)) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int))))) || ((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && 0 == x3) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 + x2 <= unknown-#length-unknown[x2]) && 4 + x1 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && unknown-#memory_int-unknown[x1 := unknown-#memory_int-unknown[x1][x1 := 1]][x3][x3] == 0) && !(x1 == x0)) && !(x2 == x0)) && \valid[x1] == 1) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(x3 == x2)) && x2 == 0) && !(x3 == x0)) && unknown-#memory_int-unknown[x1 := unknown-#memory_int-unknown[x1][x1 := 0]][x0][x0] == 0) && !(x2 == x1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.24ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 73.2MB in the beginning and 107.5MB in the end (delta: -34.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.82ms. Allocated memory is still 132.1MB. Free memory was 107.5MB in the beginning and 105.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.75ms. Allocated memory is still 132.1MB. Free memory was 105.9MB in the beginning and 104.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 415.50ms. Allocated memory is still 132.1MB. Free memory was 104.9MB in the beginning and 91.2MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 599353.25ms. Allocated memory was 132.1MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 91.2MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 69.41ms. Allocated memory is still 3.6GB. Free memory was 3.0GB in the beginning and 2.9GB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-22 23:19:34,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e36f78-8f41-4e3e-8a0d-e6c9fd3dc8ee/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE