./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/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_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/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 32bit --witnessprinter.graph.data.programhash eb1b14e8511764ce20ab6a88d1bf2bef8398fca052e797a3c06b53051dc2f2a5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:23:33,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:23:33,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:23:33,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:23:33,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:23:33,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:23:33,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:23:33,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:23:33,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:23:33,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:23:33,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:23:33,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:23:33,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:23:33,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:23:33,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:23:33,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:23:33,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:23:33,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:23:33,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:23:33,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:23:33,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:23:33,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:23:33,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:23:33,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:23:33,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:23:33,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:23:33,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:23:33,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:23:33,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:23:33,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:23:33,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:23:33,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:23:33,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:23:33,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:23:33,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:23:33,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:23:33,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:23:33,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:23:33,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:23:33,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:23:33,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:23:33,692 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:23:33,748 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:23:33,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:23:33,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:23:33,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:23:33,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:23:33,751 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:23:33,751 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:23:33,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:23:33,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:23:33,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:23:33,760 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:23:33,760 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:23:33,760 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:23:33,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:23:33,760 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:23:33,761 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:23:33,761 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:23:33,761 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:23:33,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:23:33,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:33,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:23:33,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:23:33,762 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:23:33,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:23:33,763 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_05f76829-b653-405e-9cbd-c2bdf0ffac16/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb1b14e8511764ce20ab6a88d1bf2bef8398fca052e797a3c06b53051dc2f2a5 [2021-11-23 00:23:34,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:23:34,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:23:34,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:23:34,060 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:23:34,061 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:23:34,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2021-11-23 00:23:34,122 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/data/ef9cd21ac/aa4ae36f15c24231a9d83f9ca7564ae7/FLAG067e7606d [2021-11-23 00:23:34,663 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:23:34,664 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2021-11-23 00:23:34,685 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/data/ef9cd21ac/aa4ae36f15c24231a9d83f9ca7564ae7/FLAG067e7606d [2021-11-23 00:23:34,995 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/data/ef9cd21ac/aa4ae36f15c24231a9d83f9ca7564ae7 [2021-11-23 00:23:34,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:23:34,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:23:35,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:35,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:23:35,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:23:35,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:34" (1/1) ... [2021-11-23 00:23:35,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@615865de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:35, skipping insertion in model container [2021-11-23 00:23:35,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:34" (1/1) ... [2021-11-23 00:23:35,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:23:35,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:23:35,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:35,327 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:23:35,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:35,406 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:23:35,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:35 WrapperNode [2021-11-23 00:23:35,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:35,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:35,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:23:35,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:23:35,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:35" (1/1) ... [2021-11-23 00:23:35,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:35" (1/1) ... [2021-11-23 00:23:35,453 INFO L137 Inliner]: procedures = 116, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2021-11-23 00:23:35,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:35,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:23:35,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:23:35,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:23:35,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:35" (1/1) ... [2021-11-23 00:23:35,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:35" (1/1) ... [2021-11-23 00:23:35,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:35" (1/1) ... [2021-11-23 00:23:35,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:35" (1/1) ... [2021-11-23 00:23:35,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:35" (1/1) ... [2021-11-23 00:23:35,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:35" (1/1) ... [2021-11-23 00:23:35,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:35" (1/1) ... [2021-11-23 00:23:35,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:23:35,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:23:35,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:23:35,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:23:35,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:35" (1/1) ... [2021-11-23 00:23:35,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:35,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:23:35,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:23:35,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:23:35,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:23:35,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:23:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:23:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:23:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:23:35,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:23:35,689 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:23:35,691 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:23:35,934 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:23:36,024 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:23:36,025 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:23:36,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:36 BoogieIcfgContainer [2021-11-23 00:23:36,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:23:36,028 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:23:36,028 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:23:36,054 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:23:36,054 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:36" (1/1) ... [2021-11-23 00:23:36,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:23:36,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:36,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-23 00:23:36,157 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-23 00:23:36,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:23:36,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:36,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:36,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:36,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:36,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2021-11-23 00:23:36,362 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-11-23 00:23:36,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:23:36,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:36,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:36,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:36,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:36,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2021-11-23 00:23:36,755 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-11-23 00:23:36,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:23:36,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:36,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:36,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:36,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:36,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2021-11-23 00:23:36,940 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2021-11-23 00:23:36,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:23:36,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:36,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:37,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:37,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:37,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2021-11-23 00:23:37,214 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2021-11-23 00:23:37,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:23:37,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:37,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:37,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:37,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:37,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2021-11-23 00:23:37,861 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2021-11-23 00:23:37,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:23:37,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:37,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:38,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:38,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2021-11-23 00:23:38,742 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2021-11-23 00:23:38,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:23:38,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:38,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:39,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:39,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2021-11-23 00:23:39,229 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2021-11-23 00:23:39,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:23:39,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:39,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:39,386 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:39,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:39,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2021-11-23 00:23:39,736 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2021-11-23 00:23:39,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:23:39,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:39,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:39,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:23:39,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:39,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2021-11-23 00:23:39,784 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2021-11-23 00:23:39,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:23:39,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:39,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:23:40,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:40,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2021-11-23 00:23:40,107 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2021-11-23 00:23:40,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:23:40,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:40,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:40,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:23:40,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:40,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2021-11-23 00:23:40,138 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2021-11-23 00:23:40,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:23:40,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:40,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:40,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:23:40,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:40,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-23 00:23:40,172 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-23 00:23:40,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:23:40,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:40,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:40,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:41,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:41,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2021-11-23 00:23:41,521 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2021-11-23 00:23:41,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:23:41,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:41,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:41,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:23:42,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:42,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2021-11-23 00:23:42,166 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2021-11-23 00:23:42,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:23:42,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:42,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:42,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:44,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:44,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 62 transitions. [2021-11-23 00:23:44,831 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2021-11-23 00:23:44,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:23:44,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:44,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:44,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:23:45,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:45,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 63 transitions. [2021-11-23 00:23:45,059 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2021-11-23 00:23:45,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:23:45,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:45,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:45,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:46,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:46,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2021-11-23 00:23:46,487 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2021-11-23 00:23:46,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:23:46,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:46,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:48,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:48,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2021-11-23 00:23:48,723 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2021-11-23 00:23:48,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:23:48,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:48,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:48,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:49,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:49,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2021-11-23 00:23:49,543 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2021-11-23 00:23:49,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:23:49,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:49,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:49,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:23:51,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:51,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 105 transitions. [2021-11-23 00:23:51,255 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 105 transitions. [2021-11-23 00:23:51,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:23:51,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:51,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:51,280 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:23:51,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:51,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 111 transitions. [2021-11-23 00:23:51,647 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 111 transitions. [2021-11-23 00:23:51,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:23:51,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:51,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:51,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:23:52,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:52,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 59 states and 123 transitions. [2021-11-23 00:23:52,766 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 123 transitions. [2021-11-23 00:23:52,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:23:52,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:52,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:52,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:23:53,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:53,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 61 states and 125 transitions. [2021-11-23 00:23:53,534 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 125 transitions. [2021-11-23 00:23:53,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:23:53,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:53,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:53,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:53,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 63 states and 127 transitions. [2021-11-23 00:23:53,775 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 127 transitions. [2021-11-23 00:23:53,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:23:53,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:53,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:23:54,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:54,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 66 states and 131 transitions. [2021-11-23 00:23:54,843 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 131 transitions. [2021-11-23 00:23:54,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:23:54,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:54,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:54,869 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:55,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:55,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 132 transitions. [2021-11-23 00:23:55,348 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 132 transitions. [2021-11-23 00:23:55,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:23:55,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:55,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:55,658 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:59,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:59,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 77 states and 159 transitions. [2021-11-23 00:23:59,582 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 159 transitions. [2021-11-23 00:23:59,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:23:59,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:59,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:59,603 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:23:59,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:59,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 78 states and 159 transitions. [2021-11-23 00:23:59,991 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 159 transitions. [2021-11-23 00:23:59,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:23:59,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:59,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:00,043 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:24:03,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:03,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 83 states and 164 transitions. [2021-11-23 00:24:03,054 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 164 transitions. [2021-11-23 00:24:03,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:24:03,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:03,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:03,084 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:04,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:04,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 86 states and 170 transitions. [2021-11-23 00:24:04,400 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 170 transitions. [2021-11-23 00:24:04,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:24:04,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:04,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:04,863 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:24:06,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:06,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 89 states and 175 transitions. [2021-11-23 00:24:06,509 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 175 transitions. [2021-11-23 00:24:06,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:24:06,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:06,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:06,531 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:24:07,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:07,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 92 states and 180 transitions. [2021-11-23 00:24:07,889 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 180 transitions. [2021-11-23 00:24:07,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:24:07,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:07,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:09,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:09,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 93 states and 178 transitions. [2021-11-23 00:24:09,539 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 178 transitions. [2021-11-23 00:24:09,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:24:09,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:09,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:10,405 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:24:14,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:14,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 101 states and 197 transitions. [2021-11-23 00:24:14,666 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 197 transitions. [2021-11-23 00:24:14,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:24:14,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:14,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:14,847 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:24:16,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:16,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 104 states and 204 transitions. [2021-11-23 00:24:16,477 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 204 transitions. [2021-11-23 00:24:16,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:24:16,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:16,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:16,500 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:24:18,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:18,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 107 states and 210 transitions. [2021-11-23 00:24:18,169 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 210 transitions. [2021-11-23 00:24:18,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:24:18,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:18,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:18,381 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:24:19,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:19,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 109 states and 216 transitions. [2021-11-23 00:24:19,020 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 216 transitions. [2021-11-23 00:24:19,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:24:19,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:19,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:19,043 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:24:19,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:19,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 111 states and 220 transitions. [2021-11-23 00:24:19,594 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 220 transitions. [2021-11-23 00:24:19,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:24:19,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:19,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:19,616 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:24:20,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:20,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 112 states and 223 transitions. [2021-11-23 00:24:20,370 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 223 transitions. [2021-11-23 00:24:20,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:24:20,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:20,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:20,392 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:24:21,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:21,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 115 states and 227 transitions. [2021-11-23 00:24:21,868 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 227 transitions. [2021-11-23 00:24:21,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:24:21,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:21,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:22,627 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:24:24,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:24,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 117 states and 231 transitions. [2021-11-23 00:24:24,156 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 231 transitions. [2021-11-23 00:24:24,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:24:24,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:24,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:24,182 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:24:25,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:25,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 119 states and 234 transitions. [2021-11-23 00:24:25,576 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 234 transitions. [2021-11-23 00:24:25,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:24:25,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:25,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:25,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:24:26,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:26,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 120 states and 236 transitions. [2021-11-23 00:24:26,549 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 236 transitions. [2021-11-23 00:24:26,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:24:26,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:26,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:26,605 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:24:27,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:27,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 121 states and 237 transitions. [2021-11-23 00:24:27,402 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 237 transitions. [2021-11-23 00:24:27,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:24:27,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:27,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:27,437 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:24:27,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:27,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 123 states and 239 transitions. [2021-11-23 00:24:27,984 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 239 transitions. [2021-11-23 00:24:27,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:24:27,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:27,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:24:28,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:28,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 124 states and 240 transitions. [2021-11-23 00:24:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 240 transitions. [2021-11-23 00:24:28,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:24:28,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:28,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:29,035 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:24:30,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:30,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 127 states and 243 transitions. [2021-11-23 00:24:30,507 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 243 transitions. [2021-11-23 00:24:30,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:24:30,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:30,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:30,543 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:24:33,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:33,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 132 states and 247 transitions. [2021-11-23 00:24:33,771 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 247 transitions. [2021-11-23 00:24:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:24:33,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:33,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:33,961 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:24:34,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:34,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2021-11-23 00:24:34,699 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2021-11-23 00:24:34,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:24:34,700 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 50 iterations. [2021-11-23 00:24:34,709 INFO L754 CodeCheckObserver]: All specifications hold 9 specifications checked. All of them hold [2021-11-23 00:24:35,573 INFO L560 CodeCheckObserver]: Invariant with dag size 37 [2021-11-23 00:24:35,589 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2021-11-23 00:24:35,590 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:563) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:248) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translateSelect(Term2Expression.java:336) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.reportResult(CodeCheckObserver.java:793) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createInvariantResults(CodeCheckObserver.java:564) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:520) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 00:24:35,594 INFO L158 Benchmark]: Toolchain (without parser) took 60595.04ms. Allocated memory was 104.9MB in the beginning and 488.6MB in the end (delta: 383.8MB). Free memory was 75.5MB in the beginning and 406.4MB in the end (delta: -330.9MB). Peak memory consumption was 308.7MB. Max. memory is 16.1GB. [2021-11-23 00:24:35,594 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 104.9MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:24:35,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.80ms. Allocated memory is still 104.9MB. Free memory was 75.2MB in the beginning and 59.8MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 00:24:35,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.42ms. Allocated memory is still 104.9MB. Free memory was 59.8MB in the beginning and 57.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:24:35,596 INFO L158 Benchmark]: Boogie Preprocessor took 26.41ms. Allocated memory is still 104.9MB. Free memory was 57.9MB in the beginning and 56.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:24:35,597 INFO L158 Benchmark]: RCFGBuilder took 545.87ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 56.7MB in the beginning and 103.1MB in the end (delta: -46.4MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2021-11-23 00:24:35,598 INFO L158 Benchmark]: CodeCheck took 59565.20ms. Allocated memory was 132.1MB in the beginning and 488.6MB in the end (delta: 356.5MB). Free memory was 103.1MB in the beginning and 406.4MB in the end (delta: -303.3MB). Peak memory consumption was 305.4MB. Max. memory is 16.1GB. [2021-11-23 00:24:35,601 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, 20 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 58.6s, OverallIterations: 50, 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, 8004 SdHoareTripleChecker+Valid, 36.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7490 mSDsluCounter, 6823 SdHoareTripleChecker+Invalid, 30.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6361 mSDsCounter, 5373 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22494 IncrementalHoareTripleChecker+Invalid, 27867 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5373 mSolverCounterUnsat, 462 mSDtfsCounter, 22494 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7112 GetRequests, 6292 SyntacticMatches, 278 SemanticMatches, 542 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151468 ImplicationChecksByTransitivity, 54.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 666 NumberOfCodeBlocks, 666 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 617 ConstructedInterpolants, 0 QuantifiedInterpolants, 4911 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 15 PerfectInterpolantSequences, 270/425 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: 536]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 536]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 527]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: ((((((((\valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (array_size * sizeof(int))]] == \old(unknown-main_\old_#valid#1-unknown) && \valid[numbers] == 1) && 2 < i) && 3 <= array_size) && 4 * array_size == unknown-#length-unknown[numbers]) && numbers == 0) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (array_size * sizeof(int))] == 0) || (((((((\valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (array_size * sizeof(int))]] == \old(unknown-main_\old_#valid#1-unknown) && \valid[numbers] == 1) && 4 * array_size == unknown-#length-unknown[numbers]) && i <= 1) && 1 <= i) && numbers == 0) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (array_size * sizeof(int))] == 0) && 1 <= array_size)) || (((((((\valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (array_size * sizeof(int))]] == \old(unknown-main_\old_#valid#1-unknown) && 2 <= array_size) && \valid[numbers] == 1) && i <= 2) && 4 * array_size == unknown-#length-unknown[numbers]) && 1 < i) && numbers == 0) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (array_size * sizeof(int))] == 0)) || ((((((\valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (array_size * sizeof(int))]] == \old(unknown-main_\old_#valid#1-unknown) && \valid[numbers] == 1) && i == 0) && 4 * array_size == unknown-#length-unknown[numbers]) && numbers == 0) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (array_size * sizeof(int))] == 0) && 1 <= array_size) - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int) de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:563) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 104.9MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.80ms. Allocated memory is still 104.9MB. Free memory was 75.2MB in the beginning and 59.8MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.42ms. Allocated memory is still 104.9MB. Free memory was 59.8MB in the beginning and 57.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.41ms. Allocated memory is still 104.9MB. Free memory was 57.9MB in the beginning and 56.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 545.87ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 56.7MB in the beginning and 103.1MB in the end (delta: -46.4MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * CodeCheck took 59565.20ms. Allocated memory was 132.1MB in the beginning and 488.6MB in the end (delta: 356.5MB). Free memory was 103.1MB in the beginning and 406.4MB in the end (delta: -303.3MB). Peak memory consumption was 305.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:24:35,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/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_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/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 32bit --witnessprinter.graph.data.programhash eb1b14e8511764ce20ab6a88d1bf2bef8398fca052e797a3c06b53051dc2f2a5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:24:38,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:24:38,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:24:38,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:24:38,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:24:38,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:24:38,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:24:38,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:24:38,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:24:38,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:24:38,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:24:38,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:24:38,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:24:38,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:24:38,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:24:38,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:24:38,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:24:38,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:24:38,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:24:38,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:24:38,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:24:38,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:24:38,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:24:38,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:24:38,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:24:38,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:24:38,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:24:38,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:24:38,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:24:38,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:24:38,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:24:38,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:24:38,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:24:38,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:24:38,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:24:38,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:24:38,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:24:38,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:24:38,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:24:38,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:24:38,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:24:38,426 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 00:24:38,480 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:24:38,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:24:38,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:24:38,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:24:38,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:24:38,485 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:24:38,485 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:24:38,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:24:38,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:24:38,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:24:38,487 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:24:38,487 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:24:38,487 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:24:38,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:24:38,488 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:24:38,488 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:24:38,488 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:24:38,489 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:24:38,489 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:24:38,489 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:24:38,489 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:24:38,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:24:38,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:24:38,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:24:38,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:24:38,490 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:24:38,491 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:24:38,491 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:24:38,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:24:38,491 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_05f76829-b653-405e-9cbd-c2bdf0ffac16/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb1b14e8511764ce20ab6a88d1bf2bef8398fca052e797a3c06b53051dc2f2a5 [2021-11-23 00:24:38,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:24:38,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:24:38,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:24:38,933 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:24:38,934 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:24:38,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2021-11-23 00:24:39,017 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/data/7e38b33d9/5515307143514f23bfd947dc97d334e2/FLAGac4a7e05a [2021-11-23 00:24:39,679 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:24:39,680 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2021-11-23 00:24:39,709 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/data/7e38b33d9/5515307143514f23bfd947dc97d334e2/FLAGac4a7e05a [2021-11-23 00:24:39,929 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/data/7e38b33d9/5515307143514f23bfd947dc97d334e2 [2021-11-23 00:24:39,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:24:39,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:24:39,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:24:39,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:24:39,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:24:39,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:24:39" (1/1) ... [2021-11-23 00:24:39,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50fccef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:39, skipping insertion in model container [2021-11-23 00:24:39,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:24:39" (1/1) ... [2021-11-23 00:24:39,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:24:39,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:24:40,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:24:40,373 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 00:24:40,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:24:40,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:24:40,449 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:24:40,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:24:40,527 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:24:40,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:40 WrapperNode [2021-11-23 00:24:40,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:24:40,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:24:40,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:24:40,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:24:40,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:40" (1/1) ... [2021-11-23 00:24:40,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:40" (1/1) ... [2021-11-23 00:24:40,609 INFO L137 Inliner]: procedures = 119, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2021-11-23 00:24:40,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:24:40,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:24:40,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:24:40,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:24:40,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:40" (1/1) ... [2021-11-23 00:24:40,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:40" (1/1) ... [2021-11-23 00:24:40,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:40" (1/1) ... [2021-11-23 00:24:40,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:40" (1/1) ... [2021-11-23 00:24:40,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:40" (1/1) ... [2021-11-23 00:24:40,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:40" (1/1) ... [2021-11-23 00:24:40,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:40" (1/1) ... [2021-11-23 00:24:40,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:24:40,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:24:40,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:24:40,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:24:40,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:40" (1/1) ... [2021-11-23 00:24:40,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:24:40,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:24:40,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:24:40,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:24:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 00:24:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:24:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 00:24:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:24:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 00:24:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:24:40,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:24:40,884 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:24:40,886 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:24:41,115 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:24:41,166 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:24:41,166 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:24:41,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:24:41 BoogieIcfgContainer [2021-11-23 00:24:41,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:24:41,170 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:24:41,170 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:24:41,180 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:24:41,180 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:24:41" (1/1) ... [2021-11-23 00:24:41,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:24:41,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:41,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-23 00:24:41,256 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-23 00:24:41,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:24:41,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:41,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:41,351 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 00:24:41,358 INFO L158 Benchmark]: Toolchain (without parser) took 1424.44ms. Allocated memory is still 77.6MB. Free memory was 54.8MB in the beginning and 49.9MB in the end (delta: 4.9MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2021-11-23 00:24:41,359 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 50.3MB. Free memory was 30.1MB in the beginning and 30.1MB in the end (delta: 40.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:24:41,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 590.98ms. Allocated memory is still 77.6MB. Free memory was 54.6MB in the beginning and 51.6MB in the end (delta: 3.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 00:24:41,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.20ms. Allocated memory is still 77.6MB. Free memory was 51.6MB in the beginning and 49.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:24:41,364 INFO L158 Benchmark]: Boogie Preprocessor took 76.96ms. Allocated memory is still 77.6MB. Free memory was 49.6MB in the beginning and 48.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:24:41,365 INFO L158 Benchmark]: RCFGBuilder took 481.18ms. Allocated memory is still 77.6MB. Free memory was 48.1MB in the beginning and 55.8MB in the end (delta: -7.7MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-11-23 00:24:41,366 INFO L158 Benchmark]: CodeCheck took 186.20ms. Allocated memory is still 77.6MB. Free memory was 55.8MB in the beginning and 49.9MB in the end (delta: 6.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:24:41,371 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 50.3MB. Free memory was 30.1MB in the beginning and 30.1MB in the end (delta: 40.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 590.98ms. Allocated memory is still 77.6MB. Free memory was 54.6MB in the beginning and 51.6MB in the end (delta: 3.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.20ms. Allocated memory is still 77.6MB. Free memory was 51.6MB in the beginning and 49.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.96ms. Allocated memory is still 77.6MB. Free memory was 49.6MB in the beginning and 48.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 481.18ms. Allocated memory is still 77.6MB. Free memory was 48.1MB in the beginning and 55.8MB in the end (delta: -7.7MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * CodeCheck took 186.20ms. Allocated memory is still 77.6MB. Free memory was 55.8MB in the beginning and 49.9MB in the end (delta: 6.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:24:41,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f76829-b653-405e-9cbd-c2bdf0ffac16/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: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared