./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem17_label42.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4300ff9-05da-4eef-b224-31db830593d4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4300ff9-05da-4eef-b224-31db830593d4/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4300ff9-05da-4eef-b224-31db830593d4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4300ff9-05da-4eef-b224-31db830593d4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label42.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4300ff9-05da-4eef-b224-31db830593d4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4300ff9-05da-4eef-b224-31db830593d4/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --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 96107ddac20ae25720715e53c2e276b0ff7d668effb9cd422fe5eafc03582006 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:34,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:34,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4300ff9-05da-4eef-b224-31db830593d4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:17:34,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:34,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:34,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:34,786 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:34,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:34,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:34,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:34,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:34,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:34,788 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:17:34,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:34,788 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:17:34,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:34,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:34,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:34,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:34,789 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:34,789 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:17:34,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:34,790 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:34,790 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:34,790 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:34,790 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:34,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:34,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:34,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:34,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:34,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:34,791 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:34,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:34,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f4300ff9-05da-4eef-b224-31db830593d4/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 96107ddac20ae25720715e53c2e276b0ff7d668effb9cd422fe5eafc03582006 [2024-11-13 20:17:35,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:35,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:35,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:35,196 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:35,198 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:35,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4300ff9-05da-4eef-b224-31db830593d4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem17_label42.c Unable to find full path for "g++" [2024-11-13 20:17:37,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:38,000 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:38,000 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4300ff9-05da-4eef-b224-31db830593d4/sv-benchmarks/c/eca-rers2012/Problem17_label42.c [2024-11-13 20:17:38,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4300ff9-05da-4eef-b224-31db830593d4/bin/ukojak-verify-EEHR8qb7sm/data/b0b391f9c/bc842876cdca4dd389c3a8e1e3eb926c/FLAGbb923c965 [2024-11-13 20:17:38,047 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4300ff9-05da-4eef-b224-31db830593d4/bin/ukojak-verify-EEHR8qb7sm/data/b0b391f9c/bc842876cdca4dd389c3a8e1e3eb926c [2024-11-13 20:17:38,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:38,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:38,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:38,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:38,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:38,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:38" (1/1) ... [2024-11-13 20:17:38,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6382aab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:38, skipping insertion in model container [2024-11-13 20:17:38,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:38" (1/1) ... [2024-11-13 20:17:38,175 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:38,411 WARN L250 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_f4300ff9-05da-4eef-b224-31db830593d4/sv-benchmarks/c/eca-rers2012/Problem17_label42.c[6070,6083] [2024-11-13 20:17:39,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:39,254 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:39,290 WARN L250 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_f4300ff9-05da-4eef-b224-31db830593d4/sv-benchmarks/c/eca-rers2012/Problem17_label42.c[6070,6083] [2024-11-13 20:17:39,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:39,678 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:39,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39 WrapperNode [2024-11-13 20:17:39,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:39,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:39,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:39,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:39,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:39,721 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:40,111 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2612 [2024-11-13 20:17:40,111 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:40,112 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:40,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:40,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:40,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:40,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:40,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:40,254 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:40,602 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:40,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:40,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:40,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:40,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:40,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:40,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:40,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:40,777 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:40,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:40,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4300ff9-05da-4eef-b224-31db830593d4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:40,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4300ff9-05da-4eef-b224-31db830593d4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:40,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4300ff9-05da-4eef-b224-31db830593d4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:17:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:40,943 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:40,945 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:46,470 INFO L? ?]: Removed 372 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:46,470 INFO L287 CfgBuilder]: Performing block encoding