./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_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_9ff72def-4420-471f-b7c0-dbec3929243c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff72def-4420-471f-b7c0-dbec3929243c/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_9ff72def-4420-471f-b7c0-dbec3929243c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff72def-4420-471f-b7c0-dbec3929243c/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label57.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff72def-4420-471f-b7c0-dbec3929243c/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_9ff72def-4420-471f-b7c0-dbec3929243c/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 994616d66ca033fc3fdb2ff90a3c12325be68b1e13dbd152dc58837c2705aec2 --- 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 16:48:31,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:31,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:31,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:31,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:31,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:31,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:31,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:31,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:31,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:31,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:32,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:32,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:32,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:32,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:32,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:32,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:32,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:32,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:32,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:32,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:32,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:32,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:32,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:32,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:32,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:32,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:32,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:32,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:32,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:32,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:32,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:32,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:32,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:32,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:32,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:32,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:32,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:32,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:32,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:32,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:32,065 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff72def-4420-471f-b7c0-dbec3929243c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:48:32,106 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:32,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:32,108 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:48:32,109 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:48:32,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:32,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:32,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:32,110 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:32,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:48:32,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:32,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:32,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:48:32,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:32,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:48:32,114 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:32,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:48:32,114 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:32,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:48:32,115 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:32,115 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:32,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:32,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:32,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:32,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:32,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:48:32,117 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:48:32,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:48:32,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:48:32,118 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_9ff72def-4420-471f-b7c0-dbec3929243c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff72def-4420-471f-b7c0-dbec3929243c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 994616d66ca033fc3fdb2ff90a3c12325be68b1e13dbd152dc58837c2705aec2 [2022-10-17 16:48:32,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:32,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:32,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:32,484 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:32,485 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:32,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff72def-4420-471f-b7c0-dbec3929243c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem16_label57.c [2022-10-17 16:48:32,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff72def-4420-471f-b7c0-dbec3929243c/bin/ukojak-92XMlrwhuB/data/eb99155ec/eb0762dab73f42419dd6c9d941246706/FLAGbeddb452a [2022-10-17 16:48:33,290 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:33,292 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff72def-4420-471f-b7c0-dbec3929243c/sv-benchmarks/c/eca-rers2012/Problem16_label57.c [2022-10-17 16:48:33,319 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff72def-4420-471f-b7c0-dbec3929243c/bin/ukojak-92XMlrwhuB/data/eb99155ec/eb0762dab73f42419dd6c9d941246706/FLAGbeddb452a [2022-10-17 16:48:33,422 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff72def-4420-471f-b7c0-dbec3929243c/bin/ukojak-92XMlrwhuB/data/eb99155ec/eb0762dab73f42419dd6c9d941246706 [2022-10-17 16:48:33,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:33,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:33,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:33,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:33,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:33,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:33" (1/1) ... [2022-10-17 16:48:33,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd17c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:33, skipping insertion in model container [2022-10-17 16:48:33,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:33" (1/1) ... [2022-10-17 16:48:33,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:33,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:33,873 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_9ff72def-4420-471f-b7c0-dbec3929243c/sv-benchmarks/c/eca-rers2012/Problem16_label57.c[4337,4350] [2022-10-17 16:48:34,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:34,402 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:34,442 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_9ff72def-4420-471f-b7c0-dbec3929243c/sv-benchmarks/c/eca-rers2012/Problem16_label57.c[4337,4350] [2022-10-17 16:48:34,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:34,890 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:34,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:34 WrapperNode [2022-10-17 16:48:34,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:34,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:34,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:34,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:34,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:34" (1/1) ... [2022-10-17 16:48:34,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:34" (1/1) ... [2022-10-17 16:48:35,119 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2022-10-17 16:48:35,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:35,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:35,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:35,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:35,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:34" (1/1) ... [2022-10-17 16:48:35,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:34" (1/1) ... [2022-10-17 16:48:35,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:34" (1/1) ... [2022-10-17 16:48:35,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:34" (1/1) ... [2022-10-17 16:48:35,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:34" (1/1) ... [2022-10-17 16:48:35,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:34" (1/1) ... [2022-10-17 16:48:35,235 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:34" (1/1) ... [2022-10-17 16:48:35,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:34" (1/1) ... [2022-10-17 16:48:35,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:35,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:35,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:35,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:35,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:34" (1/1) ... [2022-10-17 16:48:35,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:35,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff72def-4420-471f-b7c0-dbec3929243c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:35,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff72def-4420-471f-b7c0-dbec3929243c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:35,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff72def-4420-471f-b7c0-dbec3929243c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:48:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:35,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:35,491 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:35,493 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:38,042 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:54,636 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:54,637 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:48:54,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:54 BoogieIcfgContainer [2022-10-17 16:48:54,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:54,641 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:54,642 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:54,653 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:54,653 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:54" (1/1) ... [2022-10-17 16:48:54,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:48:54,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:54,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 16:48:54,755 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 16:48:54,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:48:54,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:54,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:55,085 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 16:48:55,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:55,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-10-17 16:48:55,343 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-10-17 16:48:55,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:48:55,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:55,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat