./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_peterson.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce2f5bf-cefe-4fa7-a485-7173631d3c52/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce2f5bf-cefe-4fa7-a485-7173631d3c52/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_8ce2f5bf-cefe-4fa7-a485-7173631d3c52/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce2f5bf-cefe-4fa7-a485-7173631d3c52/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_peterson.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce2f5bf-cefe-4fa7-a485-7173631d3c52/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce2f5bf-cefe-4fa7-a485-7173631d3c52/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a8be7009a37d1df58713fd67cd9771c39e6139a0416009824ceb58da10928b7 --- 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 17:23:13,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:23:13,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:23:13,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:23:13,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:23:13,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:23:13,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:23:13,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:23:13,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:23:13,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:23:13,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:23:13,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:23:13,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:23:13,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:23:13,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:23:13,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:23:13,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:23:13,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:23:13,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:23:13,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:23:13,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:23:13,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:23:13,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:23:13,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:23:13,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:23:13,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:23:13,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:23:13,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:23:13,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:23:13,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:23:13,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:23:13,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:23:13,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:23:13,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:23:13,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:23:13,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:23:13,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:23:13,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:23:13,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:23:13,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:23:13,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:23:13,723 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce2f5bf-cefe-4fa7-a485-7173631d3c52/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 17:23:13,751 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:23:13,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:23:13,752 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:23:13,752 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:23:13,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:23:13,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:23:13,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:23:13,754 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:23:13,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:23:13,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:23:13,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:23:13,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:23:13,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:23:13,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:23:13,756 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:23:13,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:23:13,757 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:23:13,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:23:13,757 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:23:13,758 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:23:13,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:23:13,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:23:13,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:23:13,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:23:13,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:23:13,759 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:23:13,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:23:13,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:23:13,760 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_8ce2f5bf-cefe-4fa7-a485-7173631d3c52/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce2f5bf-cefe-4fa7-a485-7173631d3c52/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a8be7009a37d1df58713fd67cd9771c39e6139a0416009824ceb58da10928b7 [2022-11-20 17:23:14,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:23:14,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:23:14,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:23:14,087 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:23:14,088 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:23:14,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce2f5bf-cefe-4fa7-a485-7173631d3c52/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/seq-pthread/cs_peterson.i [2022-11-20 17:23:17,251 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:23:17,689 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:23:17,690 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce2f5bf-cefe-4fa7-a485-7173631d3c52/sv-benchmarks/c/seq-pthread/cs_peterson.i [2022-11-20 17:23:17,718 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce2f5bf-cefe-4fa7-a485-7173631d3c52/bin/ukojak-pZX7IvK2PQ/data/ebf206ec1/d99cd127a4c6406ebeed1894550289b4/FLAG933fc26fd [2022-11-20 17:23:17,744 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce2f5bf-cefe-4fa7-a485-7173631d3c52/bin/ukojak-pZX7IvK2PQ/data/ebf206ec1/d99cd127a4c6406ebeed1894550289b4 [2022-11-20 17:23:17,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:23:17,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:23:17,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:23:17,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:23:17,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:23:17,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:23:17" (1/1) ... [2022-11-20 17:23:17,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9c3c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:17, skipping insertion in model container [2022-11-20 17:23:17,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:23:17" (1/1) ... [2022-11-20 17:23:17,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:23:17,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:23:18,160 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce2f5bf-cefe-4fa7-a485-7173631d3c52/sv-benchmarks/c/seq-pthread/cs_peterson.i[23605,23618] [2022-11-20 17:23:18,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:23:18,329 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:23:18,360 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce2f5bf-cefe-4fa7-a485-7173631d3c52/sv-benchmarks/c/seq-pthread/cs_peterson.i[23605,23618] [2022-11-20 17:23:18,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:23:18,507 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:23:18,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:18 WrapperNode [2022-11-20 17:23:18,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:23:18,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:23:18,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:23:18,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:23:18,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:18" (1/1) ... [2022-11-20 17:23:18,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:18" (1/1) ... [2022-11-20 17:23:18,604 INFO L138 Inliner]: procedures = 145, calls = 276, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 428 [2022-11-20 17:23:18,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:23:18,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:23:18,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:23:18,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:23:18,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:18" (1/1) ... [2022-11-20 17:23:18,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:18" (1/1) ... [2022-11-20 17:23:18,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:18" (1/1) ... [2022-11-20 17:23:18,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:18" (1/1) ... [2022-11-20 17:23:18,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:18" (1/1) ... [2022-11-20 17:23:18,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:18" (1/1) ... [2022-11-20 17:23:18,673 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:18" (1/1) ... [2022-11-20 17:23:18,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:18" (1/1) ... [2022-11-20 17:23:18,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:23:18,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:23:18,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:23:18,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:23:18,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:18" (1/1) ... [2022-11-20 17:23:18,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:23:18,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce2f5bf-cefe-4fa7-a485-7173631d3c52/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:23:18,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce2f5bf-cefe-4fa7-a485-7173631d3c52/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:23:18,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce2f5bf-cefe-4fa7-a485-7173631d3c52/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:23:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:23:18,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:23:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:23:18,792 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:23:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:23:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:23:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:23:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-11-20 17:23:18,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-11-20 17:23:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:23:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-11-20 17:23:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-11-20 17:23:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 17:23:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 17:23:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:23:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 17:23:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-11-20 17:23:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-11-20 17:23:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:23:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:23:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:23:18,978 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:23:18,980 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:23:29,935 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:23:30,085 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:23:30,086 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:23:30,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:23:30 BoogieIcfgContainer [2022-11-20 17:23:30,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:23:30,090 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:23:30,090 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:23:30,101 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:23:30,101 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:23:30" (1/1) ... [2022-11-20 17:23:30,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:23:30,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:23:30,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 97 states and 138 transitions. [2022-11-20 17:23:30,196 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2022-11-20 17:23:30,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 17:23:30,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:23:30,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:23:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:23:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-11-20 17:23:57,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 17:23:57,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:23:57,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 99 states and 140 transitions. [2022-11-20 17:23:57,189 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 140 transitions. [2022-11-20 17:23:57,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-20 17:23:57,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:23:57,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:08,299 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-11-20 17:24:08,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:08,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 101 states and 143 transitions. [2022-11-20 17:24:08,373 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2022-11-20 17:24:08,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-20 17:24:08,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:08,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:21,440 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-11-20 17:24:21,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:21,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 103 states and 146 transitions. [2022-11-20 17:24:21,547 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 146 transitions. [2022-11-20 17:24:21,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 17:24:21,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:21,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:35,296 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-20 17:24:35,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:35,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 108 states and 160 transitions. [2022-11-20 17:24:35,792 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 160 transitions. [2022-11-20 17:24:35,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 17:24:35,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:35,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:50,607 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-20 17:24:50,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:50,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 109 states and 162 transitions. [2022-11-20 17:24:50,628 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 162 transitions. [2022-11-20 17:24:50,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 17:24:50,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:50,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:05,877 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-20 17:25:05,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:05,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 110 states and 164 transitions. [2022-11-20 17:25:05,893 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 164 transitions. [2022-11-20 17:25:05,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 17:25:05,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:05,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:23,199 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-20 17:25:23,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:23,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 111 states and 166 transitions. [2022-11-20 17:25:23,213 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 166 transitions. [2022-11-20 17:25:23,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 17:25:23,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:23,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:39,981 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-20 17:25:39,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:39,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 112 states and 168 transitions. [2022-11-20 17:25:39,995 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 168 transitions. [2022-11-20 17:25:39,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 17:25:39,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:39,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-20 17:25:54,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:54,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 113 states and 170 transitions. [2022-11-20 17:25:54,634 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 170 transitions. [2022-11-20 17:25:54,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 17:25:54,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:54,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:10,263 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-20 17:26:10,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:10,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 114 states and 172 transitions. [2022-11-20 17:26:10,274 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 172 transitions. [2022-11-20 17:26:10,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 17:26:10,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:10,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:25,682 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-20 17:26:25,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 115 states and 174 transitions. [2022-11-20 17:26:25,693 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 174 transitions. [2022-11-20 17:26:25,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 17:26:25,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:25,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:41,047 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-20 17:26:41,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:41,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 116 states and 176 transitions. [2022-11-20 17:26:41,057 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 176 transitions. [2022-11-20 17:26:41,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 17:26:41,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:41,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:55,210 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-20 17:26:55,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:55,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 117 states and 178 transitions. [2022-11-20 17:26:55,220 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 178 transitions. [2022-11-20 17:26:55,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 17:26:55,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:55,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:09,164 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-20 17:27:09,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:09,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 118 states and 180 transitions. [2022-11-20 17:27:09,174 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 180 transitions. [2022-11-20 17:27:09,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 17:27:09,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:09,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat