./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label02.c --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_14afed56-232e-4e16-927c-9c561bcbf5f7/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14afed56-232e-4e16-927c-9c561bcbf5f7/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_14afed56-232e-4e16-927c-9c561bcbf5f7/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14afed56-232e-4e16-927c-9c561bcbf5f7/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14afed56-232e-4e16-927c-9c561bcbf5f7/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_14afed56-232e-4e16-927c-9c561bcbf5f7/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 1c6f051686d2688c222c5fd9091b2be682d442d40772e019234aac4ea54bdcbc --- 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 17:04:20,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:04:20,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:04:20,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:04:20,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:04:20,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:04:20,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:04:20,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:04:20,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:04:20,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:04:20,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:04:20,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:04:20,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:04:20,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:04:20,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:04:20,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:04:20,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:04:20,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:04:20,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:04:20,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:04:20,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:04:20,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:04:20,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:04:20,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:04:20,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:04:20,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:04:20,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:04:20,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:04:20,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:04:20,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:04:20,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:04:20,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:04:20,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:04:20,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:04:20,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:04:20,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:04:20,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:04:20,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:04:20,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:04:20,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:04:20,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:04:20,628 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14afed56-232e-4e16-927c-9c561bcbf5f7/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:04:20,669 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:04:20,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:04:20,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:04:20,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:04:20,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:04:20,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:04:20,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:04:20,671 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:04:20,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:04:20,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:04:20,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:04:20,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:04:20,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:04:20,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:04:20,672 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:04:20,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:04:20,673 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:04:20,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:04:20,673 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:04:20,673 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:04:20,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:04:20,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:20,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:04:20,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:04:20,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:04:20,674 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:04:20,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:04:20,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:04:20,675 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_14afed56-232e-4e16-927c-9c561bcbf5f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14afed56-232e-4e16-927c-9c561bcbf5f7/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c6f051686d2688c222c5fd9091b2be682d442d40772e019234aac4ea54bdcbc [2022-10-17 17:04:20,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:04:20,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:04:20,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:04:20,939 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:04:20,940 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:04:20,941 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14afed56-232e-4e16-927c-9c561bcbf5f7/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem14_label02.c [2022-10-17 17:04:21,011 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14afed56-232e-4e16-927c-9c561bcbf5f7/bin/ukojak-92XMlrwhuB/data/9b6cc3a83/7107f2a9f4e84c0ca9b38df91c6e5e09/FLAGc52242351 [2022-10-17 17:04:21,622 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:04:21,622 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14afed56-232e-4e16-927c-9c561bcbf5f7/sv-benchmarks/c/eca-rers2012/Problem14_label02.c [2022-10-17 17:04:21,638 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14afed56-232e-4e16-927c-9c561bcbf5f7/bin/ukojak-92XMlrwhuB/data/9b6cc3a83/7107f2a9f4e84c0ca9b38df91c6e5e09/FLAGc52242351 [2022-10-17 17:04:21,855 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14afed56-232e-4e16-927c-9c561bcbf5f7/bin/ukojak-92XMlrwhuB/data/9b6cc3a83/7107f2a9f4e84c0ca9b38df91c6e5e09 [2022-10-17 17:04:21,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:04:21,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:04:21,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:21,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:04:21,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:04:21,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:21" (1/1) ... [2022-10-17 17:04:21,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0f0b53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:21, skipping insertion in model container [2022-10-17 17:04:21,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:21" (1/1) ... [2022-10-17 17:04:21,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:04:21,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:04:22,124 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_14afed56-232e-4e16-927c-9c561bcbf5f7/sv-benchmarks/c/eca-rers2012/Problem14_label02.c[1237,1250] [2022-10-17 17:04:22,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:22,367 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:04:22,404 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_14afed56-232e-4e16-927c-9c561bcbf5f7/sv-benchmarks/c/eca-rers2012/Problem14_label02.c[1237,1250] [2022-10-17 17:04:22,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:22,632 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:04:22,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22 WrapperNode [2022-10-17 17:04:22,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:22,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:22,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:04:22,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:04:22,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:22,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:22,760 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2022-10-17 17:04:22,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:22,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:04:22,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:04:22,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:04:22,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:22,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:22,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:22,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:22,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:22,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:22,861 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:22,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:22,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:04:22,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:04:22,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:04:22,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:04:22,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:22,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:22,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14afed56-232e-4e16-927c-9c561bcbf5f7/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:04:22,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14afed56-232e-4e16-927c-9c561bcbf5f7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:04:22,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14afed56-232e-4e16-927c-9c561bcbf5f7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:04:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:04:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:04:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:04:22,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:04:23,074 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:04:23,077 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:04:24,624 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:04:29,480 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:04:29,480 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:04:29,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:29 BoogieIcfgContainer [2022-10-17 17:04:29,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:04:29,484 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:04:29,484 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:04:29,496 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:04:29,496 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:29" (1/1) ... [2022-10-17 17:04:29,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:04:29,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:29,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 17:04:29,577 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 17:04:29,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:04:29,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:29,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:29,818 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 17:04:29,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:29,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-10-17 17:04:29,915 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-10-17 17:04:29,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:04:29,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:29,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat