./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label57.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_64cb5487-2a1a-4471-9de9-08aa36093296/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cb5487-2a1a-4471-9de9-08aa36093296/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_64cb5487-2a1a-4471-9de9-08aa36093296/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cb5487-2a1a-4471-9de9-08aa36093296/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label57.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cb5487-2a1a-4471-9de9-08aa36093296/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_64cb5487-2a1a-4471-9de9-08aa36093296/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 7b7c97232a6f831ceb831f0c3cbaefca7e835576459663446bd81cd1abdc3131 --- 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 16:53:33,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:53:33,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:53:34,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:53:34,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:53:34,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:53:34,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:53:34,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:53:34,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:53:34,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:53:34,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:53:34,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:53:34,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:53:34,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:53:34,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:53:34,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:53:34,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:53:34,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:53:34,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:53:34,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:53:34,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:53:34,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:53:34,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:53:34,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:53:34,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:53:34,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:53:34,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:53:34,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:53:34,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:53:34,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:53:34,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:53:34,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:53:34,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:53:34,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:53:34,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:53:34,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:53:34,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:53:34,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:53:34,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:53:34,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:53:34,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:53:34,111 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cb5487-2a1a-4471-9de9-08aa36093296/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:53:34,167 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:53:34,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:53:34,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:53:34,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:53:34,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:53:34,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:53:34,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:53:34,170 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:53:34,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:53:34,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:53:34,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:53:34,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:53:34,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:53:34,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:53:34,172 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:53:34,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:53:34,173 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:53:34,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:53:34,173 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:53:34,173 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:53:34,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:53:34,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:34,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:53:34,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:53:34,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:53:34,175 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:53:34,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:53:34,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:53:34,177 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_64cb5487-2a1a-4471-9de9-08aa36093296/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cb5487-2a1a-4471-9de9-08aa36093296/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b7c97232a6f831ceb831f0c3cbaefca7e835576459663446bd81cd1abdc3131 [2022-10-17 16:53:34,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:53:34,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:53:34,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:53:34,442 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:53:34,444 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:53:34,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cb5487-2a1a-4471-9de9-08aa36093296/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem10_label57.c [2022-10-17 16:53:34,530 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cb5487-2a1a-4471-9de9-08aa36093296/bin/ukojak-92XMlrwhuB/data/a2ec7170f/e040b2abd0604022a68be6e8e272b2e1/FLAG2cb098b3f [2022-10-17 16:53:35,053 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:53:35,054 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cb5487-2a1a-4471-9de9-08aa36093296/sv-benchmarks/c/eca-rers2012/Problem10_label57.c [2022-10-17 16:53:35,068 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cb5487-2a1a-4471-9de9-08aa36093296/bin/ukojak-92XMlrwhuB/data/a2ec7170f/e040b2abd0604022a68be6e8e272b2e1/FLAG2cb098b3f [2022-10-17 16:53:35,329 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cb5487-2a1a-4471-9de9-08aa36093296/bin/ukojak-92XMlrwhuB/data/a2ec7170f/e040b2abd0604022a68be6e8e272b2e1 [2022-10-17 16:53:35,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:53:35,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:53:35,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:35,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:53:35,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:53:35,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:35" (1/1) ... [2022-10-17 16:53:35,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ff7cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:35, skipping insertion in model container [2022-10-17 16:53:35,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:35" (1/1) ... [2022-10-17 16:53:35,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:53:35,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:53:35,605 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_64cb5487-2a1a-4471-9de9-08aa36093296/sv-benchmarks/c/eca-rers2012/Problem10_label57.c[986,999] [2022-10-17 16:53:35,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:35,823 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:53:35,840 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_64cb5487-2a1a-4471-9de9-08aa36093296/sv-benchmarks/c/eca-rers2012/Problem10_label57.c[986,999] [2022-10-17 16:53:35,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:36,000 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:53:36,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:36 WrapperNode [2022-10-17 16:53:36,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:36,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:36,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:53:36,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:53:36,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:36" (1/1) ... [2022-10-17 16:53:36,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:36" (1/1) ... [2022-10-17 16:53:36,100 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2022-10-17 16:53:36,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:36,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:53:36,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:53:36,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:53:36,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:36" (1/1) ... [2022-10-17 16:53:36,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:36" (1/1) ... [2022-10-17 16:53:36,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:36" (1/1) ... [2022-10-17 16:53:36,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:36" (1/1) ... [2022-10-17 16:53:36,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:36" (1/1) ... [2022-10-17 16:53:36,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:36" (1/1) ... [2022-10-17 16:53:36,164 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:36" (1/1) ... [2022-10-17 16:53:36,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:36" (1/1) ... [2022-10-17 16:53:36,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:53:36,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:53:36,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:53:36,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:53:36,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:36" (1/1) ... [2022-10-17 16:53:36,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:36,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cb5487-2a1a-4471-9de9-08aa36093296/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:53:36,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cb5487-2a1a-4471-9de9-08aa36093296/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:53:36,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cb5487-2a1a-4471-9de9-08aa36093296/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:53:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:53:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:53:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:53:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:53:36,373 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:53:36,375 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:53:37,665 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:53:40,699 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:53:40,699 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:53:40,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:40 BoogieIcfgContainer [2022-10-17 16:53:40,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:53:40,704 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:53:40,704 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:53:40,718 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:53:40,718 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:40" (1/1) ... [2022-10-17 16:53:40,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:53:40,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:40,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 16:53:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 16:53:40,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:53:40,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:40,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:41,058 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 16:53:41,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:41,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-10-17 16:53:41,168 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-10-17 16:53:41,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:53:41,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:41,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:58,528 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 16:53:58,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-10-17 16:53:58,834 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-10-17 16:53:58,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:53:58,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:58,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat