./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.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_ada392ce-394f-4e0b-9ab2-b118c2a352b9/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada392ce-394f-4e0b-9ab2-b118c2a352b9/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_ada392ce-394f-4e0b-9ab2-b118c2a352b9/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada392ce-394f-4e0b-9ab2-b118c2a352b9/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada392ce-394f-4e0b-9ab2-b118c2a352b9/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_ada392ce-394f-4e0b-9ab2-b118c2a352b9/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 5446997f7b2d7b76d63a39784df785fb06bbab562e365ba547eeee8a855e283e --- 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 17:04:02,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:04:02,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:04:02,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:04:02,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:04:02,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:04:02,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:04:02,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:04:02,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:04:02,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:04:02,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:04:02,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:04:02,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:04:02,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:04:02,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:04:02,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:04:02,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:04:02,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:04:02,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:04:02,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:04:02,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:04:02,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:04:02,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:04:02,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:04:02,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:04:02,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:04:02,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:04:02,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:04:02,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:04:02,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:04:02,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:04:02,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:04:02,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:04:02,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:04:02,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:04:02,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:04:02,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:04:02,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:04:02,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:04:02,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:04:02,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:04:02,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada392ce-394f-4e0b-9ab2-b118c2a352b9/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:04:02,325 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:04:02,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:04:02,326 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:04:02,327 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:04:02,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:04:02,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:04:02,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:04:02,328 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:04:02,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:04:02,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:04:02,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:04:02,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:04:02,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:04:02,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:04:02,331 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:04:02,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:04:02,331 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:04:02,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:04:02,332 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:04:02,332 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:04:02,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:04:02,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:02,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:04:02,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:04:02,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:04:02,333 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:04:02,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:04:02,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:04:02,334 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_ada392ce-394f-4e0b-9ab2-b118c2a352b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada392ce-394f-4e0b-9ab2-b118c2a352b9/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5446997f7b2d7b76d63a39784df785fb06bbab562e365ba547eeee8a855e283e [2022-10-17 17:04:02,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:04:02,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:04:02,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:04:02,669 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:04:02,675 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:04:02,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada392ce-394f-4e0b-9ab2-b118c2a352b9/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c [2022-10-17 17:04:02,765 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada392ce-394f-4e0b-9ab2-b118c2a352b9/bin/ukojak-92XMlrwhuB/data/1495eb9e1/e74c8aed6635413ab8ea201e776e6bab/FLAG73746ae02 [2022-10-17 17:04:03,275 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:04:03,276 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada392ce-394f-4e0b-9ab2-b118c2a352b9/sv-benchmarks/c/array-cav19/array_tiling_tcpy.c [2022-10-17 17:04:03,281 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada392ce-394f-4e0b-9ab2-b118c2a352b9/bin/ukojak-92XMlrwhuB/data/1495eb9e1/e74c8aed6635413ab8ea201e776e6bab/FLAG73746ae02 [2022-10-17 17:04:03,650 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada392ce-394f-4e0b-9ab2-b118c2a352b9/bin/ukojak-92XMlrwhuB/data/1495eb9e1/e74c8aed6635413ab8ea201e776e6bab [2022-10-17 17:04:03,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:04:03,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:04:03,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:03,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:04:03,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:04:03,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:03" (1/1) ... [2022-10-17 17:04:03,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@331530e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:03, skipping insertion in model container [2022-10-17 17:04:03,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:03" (1/1) ... [2022-10-17 17:04:03,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:04:03,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:04:03,891 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_ada392ce-394f-4e0b-9ab2-b118c2a352b9/sv-benchmarks/c/array-cav19/array_tiling_tcpy.c[408,421] [2022-10-17 17:04:03,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:03,926 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:04:03,943 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_ada392ce-394f-4e0b-9ab2-b118c2a352b9/sv-benchmarks/c/array-cav19/array_tiling_tcpy.c[408,421] [2022-10-17 17:04:03,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:03,986 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:04:03,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:03 WrapperNode [2022-10-17 17:04:03,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:03,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:03,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:04:03,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:04:03,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:03" (1/1) ... [2022-10-17 17:04:04,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:03" (1/1) ... [2022-10-17 17:04:04,028 INFO L138 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2022-10-17 17:04:04,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:04,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:04:04,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:04:04,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:04:04,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:03" (1/1) ... [2022-10-17 17:04:04,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:03" (1/1) ... [2022-10-17 17:04:04,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:03" (1/1) ... [2022-10-17 17:04:04,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:03" (1/1) ... [2022-10-17 17:04:04,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:03" (1/1) ... [2022-10-17 17:04:04,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:03" (1/1) ... [2022-10-17 17:04:04,065 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:03" (1/1) ... [2022-10-17 17:04:04,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:03" (1/1) ... [2022-10-17 17:04:04,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:04:04,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:04:04,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:04:04,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:04:04,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:03" (1/1) ... [2022-10-17 17:04:04,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:04,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada392ce-394f-4e0b-9ab2-b118c2a352b9/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:04:04,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada392ce-394f-4e0b-9ab2-b118c2a352b9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:04:04,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada392ce-394f-4e0b-9ab2-b118c2a352b9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:04:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:04:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:04:04,163 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:04:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:04:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:04:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:04:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:04:04,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:04:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:04:04,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:04:04,231 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:04:04,234 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:04:04,452 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:04:04,486 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:04:04,486 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:04:04,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:04 BoogieIcfgContainer [2022-10-17 17:04:04,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:04:04,490 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:04:04,490 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:04:04,501 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:04:04,501 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:04" (1/1) ... [2022-10-17 17:04:04,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:04:04,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:04,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2022-10-17 17:04:04,569 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-10-17 17:04:04,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:04:04,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:04,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:04,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:05,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:05,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2022-10-17 17:04:05,048 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2022-10-17 17:04:05,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:04:05,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:05,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:05,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:05,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:05,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 24 transitions. [2022-10-17 17:04:05,628 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-10-17 17:04:05,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:04:05,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:05,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:06,451 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:07,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:07,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 22 states and 39 transitions. [2022-10-17 17:04:07,401 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 39 transitions. [2022-10-17 17:04:07,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:04:07,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:07,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:08,121 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:08,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:08,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 23 transitions. [2022-10-17 17:04:08,602 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2022-10-17 17:04:08,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:08,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:08,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:09,104 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:10,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:10,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 35 transitions. [2022-10-17 17:04:10,549 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2022-10-17 17:04:10,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:04:10,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:10,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:11,461 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:12,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:12,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 37 transitions. [2022-10-17 17:04:12,156 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 17:04:12,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:04:12,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:12,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:13,194 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:14,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:14,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 34 transitions. [2022-10-17 17:04:14,500 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-10-17 17:04:14,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:04:14,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:14,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:15,565 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:18,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:18,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 31 states and 50 transitions. [2022-10-17 17:04:18,620 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2022-10-17 17:04:18,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:04:18,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:18,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:19,964 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:23,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:23,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 37 states and 60 transitions. [2022-10-17 17:04:23,659 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2022-10-17 17:04:23,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:04:23,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:23,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:25,079 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:30,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:30,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 76 transitions. [2022-10-17 17:04:30,816 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2022-10-17 17:04:30,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:04:30,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:30,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:32,472 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:34,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:34,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 79 transitions. [2022-10-17 17:04:34,775 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2022-10-17 17:04:34,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:04:34,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:34,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat