./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e82878-caf2-4f5d-854f-70c90bd30456/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e82878-caf2-4f5d-854f-70c90bd30456/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_a6e82878-caf2-4f5d-854f-70c90bd30456/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e82878-caf2-4f5d-854f-70c90bd30456/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e82878-caf2-4f5d-854f-70c90bd30456/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e82878-caf2-4f5d-854f-70c90bd30456/bin/ukojak-92XMlrwhuB --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 74e63e86abbcab22438f70ee6d7d7ef12eaada509b0f0a56fb5cf815aaf53aab --- 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 17:03:16,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:03:16,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:03:16,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:03:16,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:03:16,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:03:16,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:03:16,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:03:16,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:03:16,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:03:16,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:03:16,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:03:16,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:03:16,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:03:16,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:03:16,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:03:16,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:03:16,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:03:16,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:03:16,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:03:16,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:03:16,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:03:16,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:03:16,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:03:16,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:03:16,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:03:16,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:03:16,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:03:16,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:03:16,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:03:16,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:03:16,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:03:16,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:03:16,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:03:16,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:03:16,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:03:16,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:03:16,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:03:16,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:03:16,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:03:16,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:03:16,642 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e82878-caf2-4f5d-854f-70c90bd30456/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:03:16,664 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:03:16,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:03:16,665 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:03:16,666 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:03:16,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:03:16,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:03:16,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:03:16,667 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:03:16,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:03:16,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:03:16,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:03:16,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:03:16,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:03:16,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:03:16,670 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:03:16,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:03:16,670 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:03:16,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:03:16,671 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:03:16,671 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:03:16,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:03:16,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:16,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:03:16,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:03:16,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:03:16,673 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:03:16,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:03:16,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:03:16,673 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_a6e82878-caf2-4f5d-854f-70c90bd30456/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e82878-caf2-4f5d-854f-70c90bd30456/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74e63e86abbcab22438f70ee6d7d7ef12eaada509b0f0a56fb5cf815aaf53aab [2022-10-17 17:03:16,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:03:16,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:03:16,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:03:16,986 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:03:16,987 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:03:16,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e82878-caf2-4f5d-854f-70c90bd30456/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2022-10-17 17:03:17,064 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e82878-caf2-4f5d-854f-70c90bd30456/bin/ukojak-92XMlrwhuB/data/b016b18b2/437d88bcbab441d18d86f27f7b572095/FLAG3e8dfcfdc [2022-10-17 17:03:17,622 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:03:17,622 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e82878-caf2-4f5d-854f-70c90bd30456/sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i [2022-10-17 17:03:17,638 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e82878-caf2-4f5d-854f-70c90bd30456/bin/ukojak-92XMlrwhuB/data/b016b18b2/437d88bcbab441d18d86f27f7b572095/FLAG3e8dfcfdc [2022-10-17 17:03:17,875 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e82878-caf2-4f5d-854f-70c90bd30456/bin/ukojak-92XMlrwhuB/data/b016b18b2/437d88bcbab441d18d86f27f7b572095 [2022-10-17 17:03:17,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:03:17,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:03:17,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:17,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:03:17,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:03:17,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:17" (1/1) ... [2022-10-17 17:03:17,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd0ccdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:17, skipping insertion in model container [2022-10-17 17:03:17,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:17" (1/1) ... [2022-10-17 17:03:17,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:03:17,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:03:18,478 WARN L230 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_a6e82878-caf2-4f5d-854f-70c90bd30456/sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i[36399,36412] [2022-10-17 17:03:18,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:18,522 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:03:18,618 WARN L230 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_a6e82878-caf2-4f5d-854f-70c90bd30456/sv-benchmarks/c/recursive-with-pointer/system-with-recursion.i[36399,36412] [2022-10-17 17:03:18,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:18,679 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:03:18,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:18 WrapperNode [2022-10-17 17:03:18,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:18,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:18,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:03:18,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:03:18,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:18" (1/1) ... [2022-10-17 17:03:18,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:18" (1/1) ... [2022-10-17 17:03:18,791 INFO L138 Inliner]: procedures = 184, calls = 149, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 224 [2022-10-17 17:03:18,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:18,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:03:18,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:03:18,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:03:18,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:18" (1/1) ... [2022-10-17 17:03:18,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:18" (1/1) ... [2022-10-17 17:03:18,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:18" (1/1) ... [2022-10-17 17:03:18,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:18" (1/1) ... [2022-10-17 17:03:18,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:18" (1/1) ... [2022-10-17 17:03:18,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:18" (1/1) ... [2022-10-17 17:03:18,852 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:18" (1/1) ... [2022-10-17 17:03:18,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:18" (1/1) ... [2022-10-17 17:03:18,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:03:18,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:03:18,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:03:18,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:03:18,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:18" (1/1) ... [2022-10-17 17:03:18,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:18,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e82878-caf2-4f5d-854f-70c90bd30456/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:03:18,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e82878-caf2-4f5d-854f-70c90bd30456/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:03:18,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e82878-caf2-4f5d-854f-70c90bd30456/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:03:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:03:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 17:03:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 17:03:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure event_precess [2022-10-17 17:03:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure event_precess [2022-10-17 17:03:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:03:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:03:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure ASNull [2022-10-17 17:03:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ASNull [2022-10-17 17:03:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:03:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:03:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:03:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure ASStart [2022-10-17 17:03:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ASStart [2022-10-17 17:03:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure status_update [2022-10-17 17:03:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure status_update [2022-10-17 17:03:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure message_send [2022-10-17 17:03:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure message_send [2022-10-17 17:03:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:03:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure ASIdle [2022-10-17 17:03:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ASIdle [2022-10-17 17:03:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:03:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure system_initialize [2022-10-17 17:03:18,959 INFO L138 BoogieDeclarations]: Found implementation of procedure system_initialize [2022-10-17 17:03:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:03:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure ASStop [2022-10-17 17:03:18,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ASStop [2022-10-17 17:03:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-10-17 17:03:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:03:18,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:03:19,161 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:03:19,164 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:03:20,098 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:03:20,316 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:03:20,316 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:03:20,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:20 BoogieIcfgContainer [2022-10-17 17:03:20,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:03:20,321 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:03:20,321 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:03:20,332 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:03:20,333 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:20" (1/1) ... [2022-10-17 17:03:20,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:03:20,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:20,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 106 states and 143 transitions. [2022-10-17 17:03:20,445 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 143 transitions. [2022-10-17 17:03:20,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:03:20,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:20,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:21,733 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 17:03:22,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:22,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 111 states and 158 transitions. [2022-10-17 17:03:22,137 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2022-10-17 17:03:22,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:03:22,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:22,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:24,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:27,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:27,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 130 states and 212 transitions. [2022-10-17 17:03:27,356 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 212 transitions. [2022-10-17 17:03:27,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:03:27,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:27,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:28,597 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:03:31,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 17:03:31,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:31,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 133 states and 216 transitions. [2022-10-17 17:03:31,748 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 216 transitions. [2022-10-17 17:03:31,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:03:31,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:31,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:33,119 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:03:35,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:35,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 140 states and 237 transitions. [2022-10-17 17:03:35,553 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 237 transitions. [2022-10-17 17:03:35,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:03:35,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:35,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:36,114 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:36,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:36,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 143 states and 240 transitions. [2022-10-17 17:03:36,680 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 240 transitions. [2022-10-17 17:03:36,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:03:36,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:36,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:37,983 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:41,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:41,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 149 states and 261 transitions. [2022-10-17 17:03:41,320 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 261 transitions. [2022-10-17 17:03:41,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:03:41,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:41,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:42,700 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:03:43,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:43,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 153 states and 266 transitions. [2022-10-17 17:03:43,509 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 266 transitions. [2022-10-17 17:03:43,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 17:03:43,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:43,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:45,029 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:03:47,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:47,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 156 states and 268 transitions. [2022-10-17 17:03:47,540 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 268 transitions. [2022-10-17 17:03:47,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 17:03:47,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:47,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat