./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e92144-3622-47ee-b8de-52819f5dc73c/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e92144-3622-47ee-b8de-52819f5dc73c/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_98e92144-3622-47ee-b8de-52819f5dc73c/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e92144-3622-47ee-b8de-52819f5dc73c/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e92144-3622-47ee-b8de-52819f5dc73c/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_98e92144-3622-47ee-b8de-52819f5dc73c/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 337340cdf38da99928295b0c576766fb8f09c8634f9763511165b0f7240edd89 --- 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 17:26:32,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:26:32,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:26:32,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:26:32,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:26:32,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:26:32,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:26:32,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:26:32,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:26:32,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:26:32,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:26:32,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:26:32,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:26:32,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:26:32,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:26:32,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:26:32,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:26:32,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:26:32,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:26:32,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:26:32,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:26:32,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:26:32,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:26:32,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:26:32,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:26:32,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:26:32,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:26:32,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:26:32,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:26:32,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:26:32,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:26:32,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:26:32,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:26:32,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:26:32,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:26:32,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:26:32,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:26:32,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:26:32,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:26:32,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:26:32,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:26:32,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e92144-3622-47ee-b8de-52819f5dc73c/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-11-20 17:26:32,748 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:26:32,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:26:32,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:26:32,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:26:32,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:26:32,751 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:26:32,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:26:32,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:26:32,751 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 17:26:32,752 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 17:26:32,753 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 17:26:32,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:26:32,753 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:26:32,753 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:26:32,754 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:26:32,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:26:32,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:26:32,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:26:32,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:26:32,755 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:26:32,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:26:32,755 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_98e92144-3622-47ee-b8de-52819f5dc73c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e92144-3622-47ee-b8de-52819f5dc73c/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 337340cdf38da99928295b0c576766fb8f09c8634f9763511165b0f7240edd89 [2022-11-20 17:26:33,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:26:33,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:26:33,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:26:33,117 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:26:33,117 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:26:33,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e92144-3622-47ee-b8de-52819f5dc73c/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i [2022-11-20 17:26:36,241 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:26:36,500 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:26:36,501 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e92144-3622-47ee-b8de-52819f5dc73c/sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i [2022-11-20 17:26:36,513 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e92144-3622-47ee-b8de-52819f5dc73c/bin/ukojak-pZX7IvK2PQ/data/961287096/5c96fec7dda34f58892312d2c6de2ce9/FLAG511e291db [2022-11-20 17:26:36,529 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e92144-3622-47ee-b8de-52819f5dc73c/bin/ukojak-pZX7IvK2PQ/data/961287096/5c96fec7dda34f58892312d2c6de2ce9 [2022-11-20 17:26:36,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:26:36,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:26:36,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:26:36,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:26:36,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:26:36,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:36" (1/1) ... [2022-11-20 17:26:36,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a872063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:36, skipping insertion in model container [2022-11-20 17:26:36,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:36" (1/1) ... [2022-11-20 17:26:36,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:26:36,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:26:36,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:26:36,957 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:26:37,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:26:37,061 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:26:37,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:37 WrapperNode [2022-11-20 17:26:37,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:26:37,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:26:37,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:26:37,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:26:37,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:37" (1/1) ... [2022-11-20 17:26:37,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:37" (1/1) ... [2022-11-20 17:26:37,102 INFO L138 Inliner]: procedures = 109, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2022-11-20 17:26:37,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:26:37,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:26:37,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:26:37,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:26:37,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:37" (1/1) ... [2022-11-20 17:26:37,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:37" (1/1) ... [2022-11-20 17:26:37,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:37" (1/1) ... [2022-11-20 17:26:37,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:37" (1/1) ... [2022-11-20 17:26:37,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:37" (1/1) ... [2022-11-20 17:26:37,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:37" (1/1) ... [2022-11-20 17:26:37,129 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:37" (1/1) ... [2022-11-20 17:26:37,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:37" (1/1) ... [2022-11-20 17:26:37,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:26:37,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:26:37,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:26:37,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:26:37,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:37" (1/1) ... [2022-11-20 17:26:37,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:26:37,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e92144-3622-47ee-b8de-52819f5dc73c/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:26:37,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e92144-3622-47ee-b8de-52819f5dc73c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:26:37,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e92144-3622-47ee-b8de-52819f5dc73c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:26:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:26:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:26:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:26:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:26:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:26:37,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:26:37,318 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:26:37,321 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:26:37,562 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:26:37,598 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:26:37,598 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:26:37,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:37 BoogieIcfgContainer [2022-11-20 17:26:37,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:26:37,602 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:26:37,602 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:26:37,621 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:26:37,622 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:37" (1/1) ... [2022-11-20 17:26:37,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:26:37,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:37,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2022-11-20 17:26:37,686 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2022-11-20 17:26:37,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 17:26:37,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:37,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:37,952 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 17:26:37,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:37,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 33 states and 35 transitions. [2022-11-20 17:26:37,984 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2022-11-20 17:26:37,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 17:26:37,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:37,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:38,188 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 17:26:38,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:38,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2022-11-20 17:26:38,341 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2022-11-20 17:26:38,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:26:38,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:38,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:38,450 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 17:26:38,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:38,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 31 states and 33 transitions. [2022-11-20 17:26:38,602 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2022-11-20 17:26:38,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:26:38,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:38,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:38,759 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 17:26:39,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:39,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2022-11-20 17:26:39,029 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2022-11-20 17:26:39,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:26:39,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:39,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:39,069 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 17:26:39,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:39,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 32 states and 35 transitions. [2022-11-20 17:26:39,184 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-11-20 17:26:39,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:26:39,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:39,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:39,274 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 17:26:39,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:39,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2022-11-20 17:26:39,604 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-11-20 17:26:39,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:26:39,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:39,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:39,625 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 17:26:39,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:39,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2022-11-20 17:26:39,775 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2022-11-20 17:26:39,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:26:39,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:39,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:39,891 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 17:26:40,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:40,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2022-11-20 17:26:40,267 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2022-11-20 17:26:40,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:26:40,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:40,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:40,295 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 17:26:40,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:40,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2022-11-20 17:26:40,419 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2022-11-20 17:26:40,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:26:40,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:40,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:40,453 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 17:26:40,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:40,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 43 states and 55 transitions. [2022-11-20 17:26:40,557 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-20 17:26:40,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:26:40,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:40,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:40,793 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 17:26:41,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:41,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2022-11-20 17:26:41,693 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2022-11-20 17:26:41,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:26:41,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:41,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:41,715 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 17:26:41,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:41,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 45 states and 60 transitions. [2022-11-20 17:26:41,734 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2022-11-20 17:26:41,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:26:41,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:41,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:41,769 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 17:26:41,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 44 states and 59 transitions. [2022-11-20 17:26:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2022-11-20 17:26:41,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:26:41,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:41,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:41,817 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 17:26:41,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:41,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2022-11-20 17:26:41,833 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2022-11-20 17:26:41,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:26:41,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:41,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:41,861 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 17:26:41,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:41,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 42 states and 57 transitions. [2022-11-20 17:26:41,884 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2022-11-20 17:26:41,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:26:41,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:41,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:41,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:26:41,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:41,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2022-11-20 17:26:41,919 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2022-11-20 17:26:41,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:26:41,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:41,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:41,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:26:41,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:41,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2022-11-20 17:26:41,972 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2022-11-20 17:26:41,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:26:41,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:41,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:41,994 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 17:26:42,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:42,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2022-11-20 17:26:42,066 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2022-11-20 17:26:42,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:26:42,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:42,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:42,114 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 17:26:42,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:42,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 42 states and 51 transitions. [2022-11-20 17:26:42,180 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2022-11-20 17:26:42,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:26:42,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:42,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:42,206 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 17:26:42,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:42,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2022-11-20 17:26:42,238 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2022-11-20 17:26:42,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:26:42,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:42,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:42,299 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 17:26:42,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:42,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-11-20 17:26:42,342 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-11-20 17:26:42,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:26:42,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:42,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:42,505 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 17:26:43,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:43,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2022-11-20 17:26:43,478 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-11-20 17:26:43,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:26:43,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:43,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:43,515 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 17:26:43,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-11-20 17:26:43,774 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-11-20 17:26:43,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:26:43,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:43,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:43,799 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 17:26:43,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:43,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2022-11-20 17:26:43,930 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-11-20 17:26:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:26:43,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:43,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:44,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:46,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:46,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2022-11-20 17:26:46,087 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2022-11-20 17:26:46,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:26:46,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:46,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:46,894 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:49,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:49,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2022-11-20 17:26:49,737 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2022-11-20 17:26:49,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:26:49,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:49,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:50,464 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:53,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:53,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2022-11-20 17:26:53,153 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2022-11-20 17:26:53,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:26:53,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:53,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:54,153 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:57,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2022-11-20 17:26:57,018 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2022-11-20 17:26:57,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 17:26:57,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:57,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:58,061 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:01,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:01,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2022-11-20 17:27:01,179 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2022-11-20 17:27:01,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 17:27:01,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:01,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:02,439 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 13 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:05,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:05,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2022-11-20 17:27:05,937 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2022-11-20 17:27:05,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-20 17:27:05,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:05,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:07,499 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 15 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:11,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:11,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2022-11-20 17:27:11,357 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2022-11-20 17:27:11,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-20 17:27:11,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:11,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:12,908 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 17 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:16,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:16,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2022-11-20 17:27:16,857 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2022-11-20 17:27:16,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-20 17:27:16,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:16,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:18,612 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 19 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:22,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:22,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 96 transitions. [2022-11-20 17:27:22,652 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2022-11-20 17:27:22,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 17:27:22,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:22,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:24,166 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 21 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:27,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:27,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 79 states and 103 transitions. [2022-11-20 17:27:27,931 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 103 transitions. [2022-11-20 17:27:27,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 17:27:27,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:27,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:29,253 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 79 proven. 13 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-11-20 17:28:14,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:28:14,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 149 states and 195 transitions. [2022-11-20 17:28:14,190 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 195 transitions. [2022-11-20 17:28:14,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-20 17:28:14,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:28:14,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:28:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:28:15,952 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 139 proven. 25 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-11-20 17:28:23,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:28:23,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 158 states and 206 transitions. [2022-11-20 17:28:23,522 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 206 transitions. [2022-11-20 17:28:23,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-20 17:28:23,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:28:23,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:28:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:28:25,584 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 199 proven. 46 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-11-20 17:28:33,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:28:33,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 167 states and 217 transitions. [2022-11-20 17:28:33,402 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 217 transitions. [2022-11-20 17:28:33,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-20 17:28:33,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:28:33,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:28:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:28:35,678 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 259 proven. 76 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-11-20 17:28:43,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:28:43,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 176 states and 228 transitions. [2022-11-20 17:28:43,855 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 228 transitions. [2022-11-20 17:28:43,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-20 17:28:43,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:28:43,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:28:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:28:46,306 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 319 proven. 115 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-11-20 17:28:54,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:28:54,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 185 states and 239 transitions. [2022-11-20 17:28:54,842 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 239 transitions. [2022-11-20 17:28:54,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-20 17:28:54,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:28:54,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:28:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:28:57,569 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 379 proven. 163 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-11-20 17:29:06,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:06,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 194 states and 250 transitions. [2022-11-20 17:29:06,455 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 250 transitions. [2022-11-20 17:29:06,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-20 17:29:06,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:06,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:09,633 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 439 proven. 220 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-11-20 17:29:18,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:18,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 203 states and 261 transitions. [2022-11-20 17:29:18,898 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2022-11-20 17:29:18,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-20 17:29:18,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:18,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:22,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 499 proven. 286 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-11-20 17:29:32,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:32,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 212 states and 272 transitions. [2022-11-20 17:29:32,026 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 272 transitions. [2022-11-20 17:29:32,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-20 17:29:32,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:32,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:35,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 559 proven. 361 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-11-20 17:29:44,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:44,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 221 states and 283 transitions. [2022-11-20 17:29:44,844 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 283 transitions. [2022-11-20 17:29:44,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-20 17:29:44,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:44,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:46,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1325 trivial. 0 not checked. [2022-11-20 17:32:41,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:41,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 376 states and 500 transitions. [2022-11-20 17:32:41,107 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 500 transitions. [2022-11-20 17:32:41,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-20 17:32:41,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:41,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:29,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1447 backedges. 1295 proven. 150 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:34:28,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:28,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 383 states and 497 transitions. [2022-11-20 17:34:28,687 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 497 transitions. [2022-11-20 17:34:28,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-20 17:34:28,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:28,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:35,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 1309 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:34:49,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:49,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 390 states and 506 transitions. [2022-11-20 17:34:49,039 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 506 transitions. [2022-11-20 17:34:49,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-20 17:34:49,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:49,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:58,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1606 backedges. 1441 proven. 163 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:35:02,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:02,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 159 states and 158 transitions. [2022-11-20 17:35:02,629 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 158 transitions. [2022-11-20 17:35:02,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:35:02,629 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 48 iterations. [2022-11-20 17:35:02,639 INFO L754 CodeCheckObserver]: All specifications hold 19 specifications checked. All of them hold [2022-11-20 17:35:06,051 INFO L560 CodeCheckObserver]: Invariant with dag size 43 [2022-11-20 17:35:06,066 INFO L560 CodeCheckObserver]: Invariant with dag size 42 [2022-11-20 17:35:06,070 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-20 17:35:06,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:35:06 ImpRootNode [2022-11-20 17:35:06,071 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:35:06,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:35:06,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:35:06,072 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:35:06,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:37" (3/4) ... [2022-11-20 17:35:06,076 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:35:06,085 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-20 17:35:06,086 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 17:35:06,086 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 17:35:06,086 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:35:06,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) && \valid[i] == 1) && c + 4 <= unknown-#length-unknown[c]) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[c] == 1) && c == 0) && !(i == c)) && i + 4 <= unknown-#length-unknown[i]) && !(unknown-#memory_int-unknown[i][i] <= 10)) && !(i + 1 <= 0)) || (((((((((\valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) && \valid[i] == 1) && c + 4 <= unknown-#length-unknown[c]) && unknown-#memory_int-unknown[i][i] == 0) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[c] == 1) && c == 0) && !(i == c)) && i + 4 <= unknown-#length-unknown[i]) && !(i + 1 <= 0)) [2022-11-20 17:35:06,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-11-20 17:35:06,119 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e92144-3622-47ee-b8de-52819f5dc73c/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:35:06,119 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:35:06,120 INFO L158 Benchmark]: Toolchain (without parser) took 509586.10ms. Allocated memory was 201.3MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 155.4MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 637.6MB. Max. memory is 16.1GB. [2022-11-20 17:35:06,120 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 146.8MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:35:06,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.19ms. Allocated memory is still 201.3MB. Free memory was 155.4MB in the beginning and 140.0MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:35:06,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.76ms. Allocated memory is still 201.3MB. Free memory was 139.4MB in the beginning and 137.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:35:06,122 INFO L158 Benchmark]: Boogie Preprocessor took 29.06ms. Allocated memory is still 201.3MB. Free memory was 137.9MB in the beginning and 136.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:35:06,122 INFO L158 Benchmark]: RCFGBuilder took 467.92ms. Allocated memory is still 201.3MB. Free memory was 136.5MB in the beginning and 122.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:35:06,123 INFO L158 Benchmark]: CodeCheck took 508469.23ms. Allocated memory was 201.3MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 122.6MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 599.8MB. Max. memory is 16.1GB. [2022-11-20 17:35:06,123 INFO L158 Benchmark]: Witness Printer took 47.32ms. Allocated memory is still 4.3GB. Free memory was 3.6GB in the beginning and 3.6GB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:35:06,126 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, 34 locations, 19 error locations. Started 1 CEGAR loops. OverallTime: 505.0s, OverallIterations: 48, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11970 SdHoareTripleChecker+Valid, 53.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11569 mSDsluCounter, 6251 SdHoareTripleChecker+Invalid, 45.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5620 mSDsCounter, 4170 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26830 IncrementalHoareTripleChecker+Invalid, 31000 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4170 mSolverCounterUnsat, 631 mSDtfsCounter, 26830 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20841 GetRequests, 18531 SyntacticMatches, 964 SemanticMatches, 1346 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 982464 ImplicationChecksByTransitivity, 461.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 101.1s InterpolantComputationTime, 2319 NumberOfCodeBlocks, 2319 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 2272 ConstructedInterpolants, 0 QuantifiedInterpolants, 18811 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 47 InterpolantComputations, 26 PerfectInterpolantSequences, 10722/13499 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: -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: -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: 546]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 19 specifications checked. All of them hold - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: (((((((((\valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) && \valid[i] == 1) && c + 4 <= unknown-#length-unknown[c]) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[c] == 1) && c == 0) && !(i == c)) && i + 4 <= unknown-#length-unknown[i]) && !(unknown-#memory_int-unknown[i][i] <= 10)) && !(i + 1 <= 0)) || (((((((((\valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) && \valid[i] == 1) && c + 4 <= unknown-#length-unknown[c]) && unknown-#memory_int-unknown[i][i] == 0) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[c] == 1) && c == 0) && !(i == c)) && i + 4 <= unknown-#length-unknown[i]) && !(i + 1 <= 0)) - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (((((((((\valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) && \valid[i] == 1) && c + 4 <= unknown-#length-unknown[c]) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && !(unknown-#memory_int-unknown[i][i] <= 0)) && \valid[c] == 1) && c == 0) && !(i == c)) && i + 4 <= unknown-#length-unknown[i]) && !(i + 1 <= 0)) || (((((((((\valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) && \valid[i] == 1) && c + 4 <= unknown-#length-unknown[c]) && unknown-#memory_int-unknown[i][i] == 0) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[c] == 1) && c == 0) && !(i == c)) && i + 4 <= unknown-#length-unknown[i]) && !(i + 1 <= 0)) - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 146.8MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.19ms. Allocated memory is still 201.3MB. Free memory was 155.4MB in the beginning and 140.0MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.76ms. Allocated memory is still 201.3MB. Free memory was 139.4MB in the beginning and 137.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.06ms. Allocated memory is still 201.3MB. Free memory was 137.9MB in the beginning and 136.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 467.92ms. Allocated memory is still 201.3MB. Free memory was 136.5MB in the beginning and 122.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 508469.23ms. Allocated memory was 201.3MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 122.6MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 599.8MB. Max. memory is 16.1GB. * Witness Printer took 47.32ms. Allocated memory is still 4.3GB. Free memory was 3.6GB in the beginning and 3.6GB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:35:06,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e92144-3622-47ee-b8de-52819f5dc73c/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