./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/lockfree-3.3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cd0c4e-d68f-4d56-a401-4eb6e423b3c2/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cd0c4e-d68f-4d56-a401-4eb6e423b3c2/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cd0c4e-d68f-4d56-a401-4eb6e423b3c2/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cd0c4e-d68f-4d56-a401-4eb6e423b3c2/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/lockfree-3.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cd0c4e-d68f-4d56-a401-4eb6e423b3c2/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cd0c4e-d68f-4d56-a401-4eb6e423b3c2/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1db117ae3c729419255b5da4a7f4ecd64b2d99a167d11f22266a773c4ff13cdb --- 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-dbf71c6-m [2022-10-17 17:05:37,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:05:37,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:05:37,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:05:37,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:05:37,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:05:37,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:05:37,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:05:37,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:05:37,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:05:37,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:05:37,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:05:37,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:05:37,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:05:37,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:05:37,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:05:37,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:05:37,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:05:37,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:05:37,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:05:37,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:05:37,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:05:37,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:05:37,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:05:37,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:05:37,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:05:37,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:05:37,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:05:37,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:05:37,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:05:37,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:05:37,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:05:37,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:05:37,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:05:37,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:05:37,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:05:37,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:05:37,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:05:37,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:05:37,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:05:37,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:05:37,652 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cd0c4e-d68f-4d56-a401-4eb6e423b3c2/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 17:05:37,686 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:05:37,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:05:37,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:05:37,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:05:37,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:05:37,688 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:05:37,688 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:05:37,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:05:37,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:05:37,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:05:37,689 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:05:37,690 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:05:37,690 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 17:05:37,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:05:37,690 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:05:37,691 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:05:37,691 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:05:37,691 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:05:37,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:05:37,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:37,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:05:37,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:05:37,692 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:05:37,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:05:37,693 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_53cd0c4e-d68f-4d56-a401-4eb6e423b3c2/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cd0c4e-d68f-4d56-a401-4eb6e423b3c2/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1db117ae3c729419255b5da4a7f4ecd64b2d99a167d11f22266a773c4ff13cdb [2022-10-17 17:05:37,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:05:37,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:05:37,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:05:37,988 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:05:37,989 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:05:37,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cd0c4e-d68f-4d56-a401-4eb6e423b3c2/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/memsafety/lockfree-3.3.i [2022-10-17 17:05:38,064 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cd0c4e-d68f-4d56-a401-4eb6e423b3c2/bin/ukojak-92XMlrwhuB/data/f3818f332/4fa63b4659a7429c90b2cfa0f0bdd0cc/FLAGf21682b68 [2022-10-17 17:05:38,588 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:05:38,588 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cd0c4e-d68f-4d56-a401-4eb6e423b3c2/sv-benchmarks/c/memsafety/lockfree-3.3.i [2022-10-17 17:05:38,604 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cd0c4e-d68f-4d56-a401-4eb6e423b3c2/bin/ukojak-92XMlrwhuB/data/f3818f332/4fa63b4659a7429c90b2cfa0f0bdd0cc/FLAGf21682b68 [2022-10-17 17:05:38,902 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cd0c4e-d68f-4d56-a401-4eb6e423b3c2/bin/ukojak-92XMlrwhuB/data/f3818f332/4fa63b4659a7429c90b2cfa0f0bdd0cc [2022-10-17 17:05:38,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:05:38,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:05:38,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:38,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:05:38,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:05:38,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:38" (1/1) ... [2022-10-17 17:05:38,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab2103c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:38, skipping insertion in model container [2022-10-17 17:05:38,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:38" (1/1) ... [2022-10-17 17:05:38,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:05:38,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:05:39,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:39,306 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:05:39,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:39,414 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:05:39,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:39 WrapperNode [2022-10-17 17:05:39,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:39,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:39,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:05:39,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:05:39,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:39" (1/1) ... [2022-10-17 17:05:39,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:39" (1/1) ... [2022-10-17 17:05:39,464 INFO L138 Inliner]: procedures = 125, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 125 [2022-10-17 17:05:39,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:39,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:05:39,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:05:39,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:05:39,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:39" (1/1) ... [2022-10-17 17:05:39,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:39" (1/1) ... [2022-10-17 17:05:39,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:39" (1/1) ... [2022-10-17 17:05:39,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:39" (1/1) ... [2022-10-17 17:05:39,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:39" (1/1) ... [2022-10-17 17:05:39,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:39" (1/1) ... [2022-10-17 17:05:39,522 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:39" (1/1) ... [2022-10-17 17:05:39,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:39" (1/1) ... [2022-10-17 17:05:39,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:05:39,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:05:39,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:05:39,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:05:39,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:39" (1/1) ... [2022-10-17 17:05:39,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:39,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cd0c4e-d68f-4d56-a401-4eb6e423b3c2/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:05:39,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cd0c4e-d68f-4d56-a401-4eb6e423b3c2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:05:39,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cd0c4e-d68f-4d56-a401-4eb6e423b3c2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:05:39,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:05:39,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:05:39,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:05:39,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:05:39,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:05:39,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:05:39,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:05:39,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:05:39,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:05:39,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:05:39,778 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:05:39,780 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:05:40,251 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:05:40,309 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:05:40,309 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:05:40,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:40 BoogieIcfgContainer [2022-10-17 17:05:40,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:05:40,314 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:05:40,314 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:05:40,325 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:05:40,326 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:05:40,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:40,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 61 transitions. [2022-10-17 17:05:40,417 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2022-10-17 17:05:40,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:05:40,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:40,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:40,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:40,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:40,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 49 states and 60 transitions. [2022-10-17 17:05:40,675 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-10-17 17:05:40,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:05:40,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:40,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:40,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:40,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:40,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2022-10-17 17:05:40,836 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-10-17 17:05:40,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:05:40,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:40,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:40,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:40,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:40,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 56 states and 74 transitions. [2022-10-17 17:05:40,974 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2022-10-17 17:05:40,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:05:40,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:40,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:41,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:41,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:41,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 73 transitions. [2022-10-17 17:05:41,085 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2022-10-17 17:05:41,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:05:41,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:41,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:41,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:41,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:41,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2022-10-17 17:05:41,318 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2022-10-17 17:05:41,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:05:41,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:41,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:41,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:41,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:41,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 59 states and 84 transitions. [2022-10-17 17:05:41,733 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2022-10-17 17:05:41,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:05:41,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:41,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:41,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:41,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:41,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 58 states and 83 transitions. [2022-10-17 17:05:41,812 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 83 transitions. [2022-10-17 17:05:41,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:05:41,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:41,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:41,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:42,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:42,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 82 transitions. [2022-10-17 17:05:42,188 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2022-10-17 17:05:42,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:05:42,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:42,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:42,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:42,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:42,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 61 states and 92 transitions. [2022-10-17 17:05:42,607 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 92 transitions. [2022-10-17 17:05:42,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:05:42,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:42,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:42,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:42,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:42,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 61 states and 91 transitions. [2022-10-17 17:05:42,755 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2022-10-17 17:05:42,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:05:42,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:42,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:42,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:43,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:43,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 64 states and 100 transitions. [2022-10-17 17:05:43,033 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 100 transitions. [2022-10-17 17:05:43,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:05:43,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:43,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:43,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:43,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:43,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 109 transitions. [2022-10-17 17:05:43,310 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 109 transitions. [2022-10-17 17:05:43,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:05:43,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:43,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:43,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:44,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:44,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 72 states and 122 transitions. [2022-10-17 17:05:44,210 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 122 transitions. [2022-10-17 17:05:44,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:05:44,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:44,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:44,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:44,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 76 states and 133 transitions. [2022-10-17 17:05:44,834 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 133 transitions. [2022-10-17 17:05:44,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:05:44,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:44,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:44,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:05:45,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:45,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 78 states and 139 transitions. [2022-10-17 17:05:45,063 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 139 transitions. [2022-10-17 17:05:45,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:05:45,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:45,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:45,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:46,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:46,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2022-10-17 17:05:46,203 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2022-10-17 17:05:46,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:05:46,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:46,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:47,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:47,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 92 states and 189 transitions. [2022-10-17 17:05:47,383 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 189 transitions. [2022-10-17 17:05:47,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:05:47,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:47,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:47,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:49,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:49,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 99 states and 218 transitions. [2022-10-17 17:05:49,396 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 218 transitions. [2022-10-17 17:05:49,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:05:49,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:49,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:49,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:50,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:50,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 101 states and 225 transitions. [2022-10-17 17:05:50,039 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 225 transitions. [2022-10-17 17:05:50,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:05:50,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:50,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:50,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:50,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 103 states and 229 transitions. [2022-10-17 17:05:50,367 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 229 transitions. [2022-10-17 17:05:50,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:05:50,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:50,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:50,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:05:52,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:52,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 110 states and 249 transitions. [2022-10-17 17:05:52,449 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 249 transitions. [2022-10-17 17:05:52,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:05:52,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:52,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:52,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:05:52,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:52,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 112 states and 253 transitions. [2022-10-17 17:05:52,891 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 253 transitions. [2022-10-17 17:05:52,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:05:52,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:52,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:52,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:53,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:53,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 115 states and 261 transitions. [2022-10-17 17:05:53,020 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 261 transitions. [2022-10-17 17:05:53,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:05:53,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:53,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:53,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:53,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:53,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 119 states and 269 transitions. [2022-10-17 17:05:53,327 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 269 transitions. [2022-10-17 17:05:53,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:05:53,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:53,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:53,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:55,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:55,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 128 states and 305 transitions. [2022-10-17 17:05:55,103 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 305 transitions. [2022-10-17 17:05:55,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:05:55,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:55,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:55,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:56,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:56,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 136 states and 338 transitions. [2022-10-17 17:05:56,971 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 338 transitions. [2022-10-17 17:05:56,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:05:56,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:56,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:57,008 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:05:57,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:57,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 139 states and 346 transitions. [2022-10-17 17:05:57,882 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 346 transitions. [2022-10-17 17:05:57,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:05:57,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:57,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:57,912 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:05:58,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:58,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 142 states and 352 transitions. [2022-10-17 17:05:58,676 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 352 transitions. [2022-10-17 17:05:58,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:05:58,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:58,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:58,730 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:05:59,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:59,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 143 states and 355 transitions. [2022-10-17 17:05:59,129 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 355 transitions. [2022-10-17 17:05:59,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:05:59,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:59,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:59,211 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:00,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:00,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 147 states and 375 transitions. [2022-10-17 17:06:00,151 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 375 transitions. [2022-10-17 17:06:00,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:06:00,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:00,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:00,279 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:00,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:00,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 149 states and 378 transitions. [2022-10-17 17:06:00,694 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 378 transitions. [2022-10-17 17:06:00,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:06:00,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:00,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:00,739 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:06:02,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 152 states and 385 transitions. [2022-10-17 17:06:02,018 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 385 transitions. [2022-10-17 17:06:02,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:06:02,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:02,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:02,114 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:02,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 153 states and 388 transitions. [2022-10-17 17:06:02,643 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 388 transitions. [2022-10-17 17:06:02,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:06:02,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:02,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:02,673 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:06:03,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:03,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 155 states and 393 transitions. [2022-10-17 17:06:03,513 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 393 transitions. [2022-10-17 17:06:03,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:06:03,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:03,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:03,537 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:06:03,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:03,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 157 states and 395 transitions. [2022-10-17 17:06:03,970 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 395 transitions. [2022-10-17 17:06:03,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:06:03,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:03,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:04,024 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 17:06:04,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:04,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 159 states and 397 transitions. [2022-10-17 17:06:04,673 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 397 transitions. [2022-10-17 17:06:04,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:06:04,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:04,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:04,713 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:06:06,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:06,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 163 states and 418 transitions. [2022-10-17 17:06:06,212 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 418 transitions. [2022-10-17 17:06:06,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:06:06,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:06,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:06,252 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:06:07,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:07,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 166 states and 424 transitions. [2022-10-17 17:06:07,604 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 424 transitions. [2022-10-17 17:06:07,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:06:07,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:07,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:07,936 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.