./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/recHanoi03-2.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_eaac84f4-ae6f-4a66-b067-e4e196db54aa/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac84f4-ae6f-4a66-b067-e4e196db54aa/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_eaac84f4-ae6f-4a66-b067-e4e196db54aa/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac84f4-ae6f-4a66-b067-e4e196db54aa/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/recHanoi03-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac84f4-ae6f-4a66-b067-e4e196db54aa/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_eaac84f4-ae6f-4a66-b067-e4e196db54aa/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 6256a35b65d93a8e45ad38c9510c3be689a890aeee58265a5723be13a7385a72 --- 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 16:37:17,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:37:17,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:37:17,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:37:17,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:37:17,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:37:17,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:37:17,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:37:17,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:37:17,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:37:17,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:37:17,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:37:17,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:37:17,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:37:17,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:37:17,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:37:17,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:37:17,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:37:17,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:37:17,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:37:17,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:37:17,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:37:17,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:37:17,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:37:17,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:37:17,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:37:17,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:37:17,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:37:17,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:37:17,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:37:17,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:37:17,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:37:17,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:37:17,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:37:17,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:37:17,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:37:17,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:37:17,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:37:17,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:37:17,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:37:17,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:37:17,422 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac84f4-ae6f-4a66-b067-e4e196db54aa/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:37:17,452 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:37:17,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:37:17,453 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:37:17,453 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:37:17,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:37:17,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:37:17,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:37:17,455 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:37:17,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:37:17,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:37:17,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:37:17,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:37:17,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:37:17,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:37:17,456 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:37:17,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:37:17,457 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:37:17,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:37:17,457 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:37:17,457 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:37:17,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:37:17,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:17,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:37:17,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:37:17,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:37:17,459 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:37:17,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:37:17,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:37:17,459 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_eaac84f4-ae6f-4a66-b067-e4e196db54aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac84f4-ae6f-4a66-b067-e4e196db54aa/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6256a35b65d93a8e45ad38c9510c3be689a890aeee58265a5723be13a7385a72 [2022-10-17 16:37:17,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:37:17,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:37:17,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:37:17,743 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:37:17,745 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:37:17,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac84f4-ae6f-4a66-b067-e4e196db54aa/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/recursive/recHanoi03-2.c [2022-10-17 16:37:17,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac84f4-ae6f-4a66-b067-e4e196db54aa/bin/ukojak-92XMlrwhuB/data/d1f92f5be/34ed9646976d4c1ba1c297b66f8d6555/FLAGbab0b8193 [2022-10-17 16:37:18,283 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:37:18,283 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac84f4-ae6f-4a66-b067-e4e196db54aa/sv-benchmarks/c/recursive/recHanoi03-2.c [2022-10-17 16:37:18,290 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac84f4-ae6f-4a66-b067-e4e196db54aa/bin/ukojak-92XMlrwhuB/data/d1f92f5be/34ed9646976d4c1ba1c297b66f8d6555/FLAGbab0b8193 [2022-10-17 16:37:18,645 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac84f4-ae6f-4a66-b067-e4e196db54aa/bin/ukojak-92XMlrwhuB/data/d1f92f5be/34ed9646976d4c1ba1c297b66f8d6555 [2022-10-17 16:37:18,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:37:18,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:37:18,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:18,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:37:18,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:37:18,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:18" (1/1) ... [2022-10-17 16:37:18,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577c0b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:18, skipping insertion in model container [2022-10-17 16:37:18,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:18" (1/1) ... [2022-10-17 16:37:18,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:37:18,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:37:18,880 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_eaac84f4-ae6f-4a66-b067-e4e196db54aa/sv-benchmarks/c/recursive/recHanoi03-2.c[769,782] [2022-10-17 16:37:18,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:18,893 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:37:18,908 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_eaac84f4-ae6f-4a66-b067-e4e196db54aa/sv-benchmarks/c/recursive/recHanoi03-2.c[769,782] [2022-10-17 16:37:18,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:18,923 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:37:18,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:18 WrapperNode [2022-10-17 16:37:18,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:18,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:18,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:37:18,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:37:18,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:18" (1/1) ... [2022-10-17 16:37:18,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:18" (1/1) ... [2022-10-17 16:37:18,957 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2022-10-17 16:37:18,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:18,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:37:18,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:37:18,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:37:18,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:18" (1/1) ... [2022-10-17 16:37:18,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:18" (1/1) ... [2022-10-17 16:37:18,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:18" (1/1) ... [2022-10-17 16:37:18,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:18" (1/1) ... [2022-10-17 16:37:18,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:18" (1/1) ... [2022-10-17 16:37:18,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:18" (1/1) ... [2022-10-17 16:37:18,975 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:18" (1/1) ... [2022-10-17 16:37:18,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:18" (1/1) ... [2022-10-17 16:37:18,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:37:18,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:37:18,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:37:18,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:37:18,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:18" (1/1) ... [2022-10-17 16:37:18,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:18,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac84f4-ae6f-4a66-b067-e4e196db54aa/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:37:19,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac84f4-ae6f-4a66-b067-e4e196db54aa/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:37:19,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac84f4-ae6f-4a66-b067-e4e196db54aa/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:37:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:37:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2022-10-17 16:37:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2022-10-17 16:37:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:37:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:37:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:37:19,130 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:37:19,133 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:37:19,248 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:37:19,265 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:37:19,265 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:37:19,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:19 BoogieIcfgContainer [2022-10-17 16:37:19,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:37:19,269 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:37:19,269 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:37:19,280 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:37:19,281 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:19" (1/1) ... [2022-10-17 16:37:19,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:37:19,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:19,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-10-17 16:37:19,355 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-10-17 16:37:19,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:37:19,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:19,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:19,665 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 16:37:19,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:19,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2022-10-17 16:37:19,876 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-10-17 16:37:19,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:37:19,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:19,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:20,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:37:20,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:20,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 31 transitions. [2022-10-17 16:37:20,930 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-10-17 16:37:20,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:37:20,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:20,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:21,342 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:37:21,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:21,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 40 transitions. [2022-10-17 16:37:21,887 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2022-10-17 16:37:21,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:37:21,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:21,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:22,301 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:37:23,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:23,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 30 states and 50 transitions. [2022-10-17 16:37:23,066 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2022-10-17 16:37:23,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:37:23,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:23,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:23,724 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 16:37:24,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:24,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 33 states and 61 transitions. [2022-10-17 16:37:24,844 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2022-10-17 16:37:24,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:37:24,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:24,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:25,783 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:37:27,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:27,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 36 states and 73 transitions. [2022-10-17 16:37:27,203 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 73 transitions. [2022-10-17 16:37:27,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:37:27,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:27,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:28,374 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-10-17 16:37:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:30,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 39 states and 86 transitions. [2022-10-17 16:37:30,271 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 86 transitions. [2022-10-17 16:37:30,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:37:30,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:30,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:32,014 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-10-17 16:37:34,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:34,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 42 states and 100 transitions. [2022-10-17 16:37:34,516 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 100 transitions. [2022-10-17 16:37:34,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:37:34,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:34,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:36,677 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-10-17 16:37:39,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:39,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 45 states and 115 transitions. [2022-10-17 16:37:39,374 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 115 transitions. [2022-10-17 16:37:39,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:37:39,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:39,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:41,934 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-10-17 16:37:45,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:45,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 48 states and 131 transitions. [2022-10-17 16:37:45,424 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 131 transitions. [2022-10-17 16:37:45,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 16:37:45,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:45,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:48,656 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked.