./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/array14_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15833685-d0eb-42c8-ac60-fa25cfa544bc/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15833685-d0eb-42c8-ac60-fa25cfa544bc/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15833685-d0eb-42c8-ac60-fa25cfa544bc/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15833685-d0eb-42c8-ac60-fa25cfa544bc/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/array14_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15833685-d0eb-42c8-ac60-fa25cfa544bc/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15833685-d0eb-42c8-ac60-fa25cfa544bc/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a0f9dc1e3a944fe0c87fb9c3f72dec5466e715e61eb5b701f6540feca3c935ad --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:20:22,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:20:22,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:20:22,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:20:22,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:20:22,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:20:22,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:20:22,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:20:22,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:20:22,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:20:22,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:20:22,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:20:22,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:20:22,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:20:22,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:20:22,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:20:22,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:20:22,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:20:22,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:20:22,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:20:22,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:20:22,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:20:22,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:20:22,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:20:22,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:20:22,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:20:22,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:20:22,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:20:22,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:20:22,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:20:22,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:20:22,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:20:22,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:20:22,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:20:22,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:20:22,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:20:22,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:20:22,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:20:22,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:20:22,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:20:22,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:20:22,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15833685-d0eb-42c8-ac60-fa25cfa544bc/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-11-20 17:20:22,609 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:20:22,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:20:22,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:20:22,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:20:22,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:20:22,616 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:20:22,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:20:22,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:20:22,616 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 17:20:22,617 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 17:20:22,618 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 17:20:22,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:20:22,618 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:20:22,619 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:20:22,619 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:20:22,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:20:22,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:20:22,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:20:22,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:20:22,620 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:20:22,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:20:22,621 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_15833685-d0eb-42c8-ac60-fa25cfa544bc/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15833685-d0eb-42c8-ac60-fa25cfa544bc/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0f9dc1e3a944fe0c87fb9c3f72dec5466e715e61eb5b701f6540feca3c935ad [2022-11-20 17:20:22,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:20:22,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:20:22,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:20:22,961 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:20:22,962 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:20:22,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15833685-d0eb-42c8-ac60-fa25cfa544bc/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-15/array14_alloca.i [2022-11-20 17:20:25,986 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:20:26,293 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:20:26,294 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15833685-d0eb-42c8-ac60-fa25cfa544bc/sv-benchmarks/c/termination-15/array14_alloca.i [2022-11-20 17:20:26,307 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15833685-d0eb-42c8-ac60-fa25cfa544bc/bin/ukojak-pZX7IvK2PQ/data/e49c83e96/95947757a37f4467a70f24325f113d3d/FLAGac0bebc27 [2022-11-20 17:20:26,321 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15833685-d0eb-42c8-ac60-fa25cfa544bc/bin/ukojak-pZX7IvK2PQ/data/e49c83e96/95947757a37f4467a70f24325f113d3d [2022-11-20 17:20:26,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:20:26,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:20:26,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:20:26,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:20:26,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:20:26,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:20:26" (1/1) ... [2022-11-20 17:20:26,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d233cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:26, skipping insertion in model container [2022-11-20 17:20:26,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:20:26" (1/1) ... [2022-11-20 17:20:26,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:20:26,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:20:26,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:20:26,731 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:20:26,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:20:26,836 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:20:26,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:26 WrapperNode [2022-11-20 17:20:26,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:20:26,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:20:26,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:20:26,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:20:26,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:26" (1/1) ... [2022-11-20 17:20:26,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:26" (1/1) ... [2022-11-20 17:20:26,889 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-11-20 17:20:26,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:20:26,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:20:26,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:20:26,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:20:26,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:26" (1/1) ... [2022-11-20 17:20:26,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:26" (1/1) ... [2022-11-20 17:20:26,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:26" (1/1) ... [2022-11-20 17:20:26,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:26" (1/1) ... [2022-11-20 17:20:26,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:26" (1/1) ... [2022-11-20 17:20:26,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:26" (1/1) ... [2022-11-20 17:20:26,915 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:26" (1/1) ... [2022-11-20 17:20:26,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:26" (1/1) ... [2022-11-20 17:20:26,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:20:26,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:20:26,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:20:26,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:20:26,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:26" (1/1) ... [2022-11-20 17:20:26,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:20:26,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15833685-d0eb-42c8-ac60-fa25cfa544bc/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:20:26,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15833685-d0eb-42c8-ac60-fa25cfa544bc/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:20:26,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15833685-d0eb-42c8-ac60-fa25cfa544bc/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:20:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:20:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:20:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:20:26,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:20:26,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:20:26,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:20:27,127 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:20:27,129 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:20:27,393 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:20:27,467 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:20:27,468 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:20:27,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:20:27 BoogieIcfgContainer [2022-11-20 17:20:27,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:20:27,472 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:20:27,472 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:20:27,486 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:20:27,486 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:20:27" (1/1) ... [2022-11-20 17:20:27,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:20:27,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:27,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-11-20 17:20:27,563 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-11-20 17:20:27,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:20:27,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:27,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:27,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:27,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:27,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2022-11-20 17:20:27,828 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-20 17:20:27,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:20:27,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:27,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:28,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:28,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:28,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2022-11-20 17:20:28,142 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-11-20 17:20:28,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:20:28,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:28,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:28,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:29,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:29,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2022-11-20 17:20:29,153 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2022-11-20 17:20:29,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:20:29,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:29,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:29,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:29,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:29,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-11-20 17:20:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-11-20 17:20:29,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:20:29,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:29,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:29,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:29,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:29,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-11-20 17:20:29,507 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-11-20 17:20:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:20:29,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:29,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:29,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:30,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:30,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-11-20 17:20:30,161 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-11-20 17:20:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:20:30,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:30,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:30,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:30,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:30,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-11-20 17:20:30,201 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-11-20 17:20:30,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:20:30,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:30,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:30,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:30,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:30,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2022-11-20 17:20:30,246 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2022-11-20 17:20:30,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:20:30,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:30,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:30,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:33,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:33,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2022-11-20 17:20:33,370 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2022-11-20 17:20:33,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:20:33,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:33,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:33,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:33,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:33,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2022-11-20 17:20:33,705 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2022-11-20 17:20:33,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:20:33,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:33,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:33,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:34,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:34,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-11-20 17:20:34,080 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-11-20 17:20:34,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:20:34,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:34,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:34,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:34,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:34,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-11-20 17:20:34,459 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-11-20 17:20:34,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:20:34,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:34,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:34,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:35,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:35,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2022-11-20 17:20:35,835 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2022-11-20 17:20:35,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:20:35,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:35,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:35,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:36,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2022-11-20 17:20:36,107 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2022-11-20 17:20:36,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:20:36,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:36,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:38,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:38,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2022-11-20 17:20:38,044 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2022-11-20 17:20:38,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:20:38,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:38,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:38,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:38,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:38,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2022-11-20 17:20:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2022-11-20 17:20:38,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:20:38,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:38,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:38,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:20:41,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:41,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2022-11-20 17:20:41,163 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2022-11-20 17:20:41,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:20:41,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:41,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:41,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:20:41,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:41,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2022-11-20 17:20:41,535 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2022-11-20 17:20:41,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:20:41,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:41,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:41,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:44,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:44,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 47 states and 81 transitions. [2022-11-20 17:20:44,064 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 81 transitions. [2022-11-20 17:20:44,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:20:44,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:44,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:44,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:20:44,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:44,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 48 states and 81 transitions. [2022-11-20 17:20:44,153 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 81 transitions. [2022-11-20 17:20:44,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:20:44,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:44,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:45,400 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:49,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:49,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 53 states and 102 transitions. [2022-11-20 17:20:49,344 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 102 transitions. [2022-11-20 17:20:49,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:20:49,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:49,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:49,532 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:49,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:49,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 54 states and 102 transitions. [2022-11-20 17:20:49,586 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2022-11-20 17:20:49,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:20:49,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:49,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:49,654 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:20:51,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:51,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 58 states and 111 transitions. [2022-11-20 17:20:51,513 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 111 transitions. [2022-11-20 17:20:51,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:20:51,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:51,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:52,072 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:55,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:55,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 132 transitions. [2022-11-20 17:20:55,228 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 132 transitions. [2022-11-20 17:20:55,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:20:55,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:55,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:55,319 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:20:56,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:56,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 64 states and 132 transitions. [2022-11-20 17:20:56,040 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 132 transitions. [2022-11-20 17:20:56,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:20:56,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:56,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:56,119 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:20:56,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:56,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 65 states and 132 transitions. [2022-11-20 17:20:56,151 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 132 transitions. [2022-11-20 17:20:56,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:20:56,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:56,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:56,210 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:56,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:56,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 66 states and 132 transitions. [2022-11-20 17:20:56,255 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 132 transitions. [2022-11-20 17:20:56,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:20:56,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:56,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:56,712 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:59,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:59,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 71 states and 151 transitions. [2022-11-20 17:20:59,792 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 151 transitions. [2022-11-20 17:20:59,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:20:59,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:59,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:21:02,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:02,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 75 states and 162 transitions. [2022-11-20 17:21:02,111 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 162 transitions. [2022-11-20 17:21:02,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:21:02,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:02,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:21:03,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:03,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 76 states and 163 transitions. [2022-11-20 17:21:03,035 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 163 transitions. [2022-11-20 17:21:03,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:21:03,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:03,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:03,134 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:21:03,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:03,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 77 states and 163 transitions. [2022-11-20 17:21:03,159 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 163 transitions. [2022-11-20 17:21:03,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:21:03,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:03,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:05,108 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:21:09,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:09,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 81 states and 168 transitions. [2022-11-20 17:21:09,467 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 168 transitions. [2022-11-20 17:21:09,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:21:09,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:09,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:11,253 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:21:18,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:18,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 91 states and 199 transitions. [2022-11-20 17:21:18,921 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 199 transitions. [2022-11-20 17:21:18,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:21:18,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:18,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:18,977 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 17:21:19,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:19,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 92 states and 199 transitions. [2022-11-20 17:21:19,806 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 199 transitions. [2022-11-20 17:21:19,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:21:19,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:19,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:20,793 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:21:26,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:26,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 97 states and 214 transitions. [2022-11-20 17:21:26,774 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 214 transitions. [2022-11-20 17:21:26,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:21:26,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:26,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:26,829 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 17:21:27,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:27,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 98 states and 214 transitions. [2022-11-20 17:21:27,678 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 214 transitions. [2022-11-20 17:21:27,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:21:27,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:27,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:28,508 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:21:30,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:30,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 84 states and 174 transitions. [2022-11-20 17:21:30,971 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 174 transitions. [2022-11-20 17:21:30,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:21:30,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:30,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:21:32,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:32,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 84 states and 172 transitions. [2022-11-20 17:21:32,799 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 172 transitions. [2022-11-20 17:21:32,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:21:32,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:32,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:32,868 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:21:33,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:33,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 85 states and 172 transitions. [2022-11-20 17:21:33,808 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 172 transitions. [2022-11-20 17:21:33,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:21:33,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:33,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:34,600 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:21:36,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:36,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 87 states and 176 transitions. [2022-11-20 17:21:36,174 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 176 transitions. [2022-11-20 17:21:36,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:21:36,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:36,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:36,245 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:21:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:37,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 88 states and 178 transitions. [2022-11-20 17:21:37,388 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 178 transitions. [2022-11-20 17:21:37,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:21:37,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:37,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:38,228 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:21:40,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:40,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2022-11-20 17:21:40,929 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2022-11-20 17:21:40,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:21:40,930 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 43 iterations. [2022-11-20 17:21:40,937 INFO L754 CodeCheckObserver]: All specifications hold 9 specifications checked. All of them hold [2022-11-20 17:21:42,285 INFO L560 CodeCheckObserver]: Invariant with dag size 47 [2022-11-20 17:21:42,303 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-20 17:21:42,304 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2022-11-20 17:21:42,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:21:42 ImpRootNode [2022-11-20 17:21:42,306 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:21:42,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:21:42,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:21:42,307 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:21:42,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:20:27" (3/4) ... [2022-11-20 17:21:42,310 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:21:42,320 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-20 17:21:42,320 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 17:21:42,320 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 17:21:42,320 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:21:42,346 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && \valid[arr] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && (length / 4611686018427387904 <= 0 || length + 1 <= i)) && 2 <= i) && 1 <= length) && arr + i * 4 <= unknown-#length-unknown[arr]) && 0 <= arr) || (((((((\valid[arr] == 1 && arr <= 0) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && length * 4 <= 8589934584 + unknown-#length-unknown[arr]) && 4 <= arr + i * 4) && 1 <= length) && i <= 1)) || (((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && i == 0) && \valid[arr] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && 1 <= length) && 0 <= arr) [2022-11-20 17:21:42,346 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-11-20 17:21:42,347 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\valid[arr] == 1 && (j + 1 <= 0 || length <= j)) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) || (((\valid[arr] == 1 && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && arr + length * 4 <= unknown-#length-unknown[arr]) && 0 <= arr) [2022-11-20 17:21:42,359 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15833685-d0eb-42c8-ac60-fa25cfa544bc/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:21:42,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:21:42,360 INFO L158 Benchmark]: Toolchain (without parser) took 76034.91ms. Allocated memory was 178.3MB in the beginning and 539.0MB in the end (delta: 360.7MB). Free memory was 149.2MB in the beginning and 290.5MB in the end (delta: -141.3MB). Peak memory consumption was 219.2MB. Max. memory is 16.1GB. [2022-11-20 17:21:42,361 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:21:42,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.27ms. Allocated memory is still 178.3MB. Free memory was 149.2MB in the beginning and 139.4MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:21:42,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.53ms. Allocated memory is still 178.3MB. Free memory was 139.4MB in the beginning and 138.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:21:42,362 INFO L158 Benchmark]: Boogie Preprocessor took 30.60ms. Allocated memory is still 178.3MB. Free memory was 138.2MB in the beginning and 136.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:21:42,362 INFO L158 Benchmark]: RCFGBuilder took 548.74ms. Allocated memory is still 178.3MB. Free memory was 136.5MB in the beginning and 121.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:21:42,363 INFO L158 Benchmark]: CodeCheck took 74833.83ms. Allocated memory was 178.3MB in the beginning and 539.0MB in the end (delta: 360.7MB). Free memory was 121.8MB in the beginning and 292.6MB in the end (delta: -170.8MB). Peak memory consumption was 193.7MB. Max. memory is 16.1GB. [2022-11-20 17:21:42,363 INFO L158 Benchmark]: Witness Printer took 53.37ms. Allocated memory is still 539.0MB. Free memory was 292.6MB in the beginning and 290.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:21:42,366 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, 21 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 73.4s, OverallIterations: 43, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5379 SdHoareTripleChecker+Valid, 38.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4872 mSDsluCounter, 2857 SdHoareTripleChecker+Invalid, 31.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2414 mSDsCounter, 3345 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16180 IncrementalHoareTripleChecker+Invalid, 19525 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3345 mSolverCounterUnsat, 443 mSDtfsCounter, 16180 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5820 GetRequests, 5166 SyntacticMatches, 226 SemanticMatches, 428 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95607 ImplicationChecksByTransitivity, 66.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 13.2s InterpolantComputationTime, 569 NumberOfCodeBlocks, 569 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 527 ConstructedInterpolants, 0 QuantifiedInterpolants, 6606 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 42 InterpolantComputations, 19 PerfectInterpolantSequences, 120/299 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: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 364]: 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: 370]: Loop Invariant Derived loop invariant: ((((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && \valid[arr] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && (length / 4611686018427387904 <= 0 || length + 1 <= i)) && 2 <= i) && 1 <= length) && arr + i * 4 <= unknown-#length-unknown[arr]) && 0 <= arr) || (((((((\valid[arr] == 1 && arr <= 0) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && length * 4 <= 8589934584 + unknown-#length-unknown[arr]) && 4 <= arr + i * 4) && 1 <= length) && i <= 1)) || (((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && i == 0) && \valid[arr] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && 1 <= length) && 0 <= arr) - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((\valid[arr] == 1 && (j + 1 <= 0 || length <= j)) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) || (((\valid[arr] == 1 && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && arr + length * 4 <= unknown-#length-unknown[arr]) && 0 <= arr) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 510.27ms. Allocated memory is still 178.3MB. Free memory was 149.2MB in the beginning and 139.4MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.53ms. Allocated memory is still 178.3MB. Free memory was 139.4MB in the beginning and 138.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.60ms. Allocated memory is still 178.3MB. Free memory was 138.2MB in the beginning and 136.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 548.74ms. Allocated memory is still 178.3MB. Free memory was 136.5MB in the beginning and 121.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 74833.83ms. Allocated memory was 178.3MB in the beginning and 539.0MB in the end (delta: 360.7MB). Free memory was 121.8MB in the beginning and 292.6MB in the end (delta: -170.8MB). Peak memory consumption was 193.7MB. Max. memory is 16.1GB. * Witness Printer took 53.37ms. Allocated memory is still 539.0MB. Free memory was 292.6MB in the beginning and 290.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:21:42,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15833685-d0eb-42c8-ac60-fa25cfa544bc/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE