./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label30.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98787855-5d9e-4f67-82f1-58be43d48dfd/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98787855-5d9e-4f67-82f1-58be43d48dfd/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98787855-5d9e-4f67-82f1-58be43d48dfd/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98787855-5d9e-4f67-82f1-58be43d48dfd/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label30.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98787855-5d9e-4f67-82f1-58be43d48dfd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98787855-5d9e-4f67-82f1-58be43d48dfd/bin/ukojak-verify-ENZ3QT5qd3 --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 46305506117a7249be58d8d8d8c60453578281c1cbb0dca593851bdc92c5fe11 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:04:57,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:04:57,812 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98787855-5d9e-4f67-82f1-58be43d48dfd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:04:57,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:04:57,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:04:57,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:04:57,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:04:57,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:04:57,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:04:57,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:04:57,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:04:57,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:04:57,844 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:04:57,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:04:57,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:04:57,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:04:57,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:04:57,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:04:57,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:04:57,845 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:04:57,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:04:57,845 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:04:57,845 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:04:57,846 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:04:57,846 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:04:57,846 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:04:57,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:04:57,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:04:57,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:04:57,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:04:57,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:04:57,846 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:04:57,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:04:57,847 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_98787855-5d9e-4f67-82f1-58be43d48dfd/bin/ukojak-verify-ENZ3QT5qd3 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 -> 46305506117a7249be58d8d8d8c60453578281c1cbb0dca593851bdc92c5fe11 [2024-11-25 05:04:58,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:04:58,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:04:58,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:04:58,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:04:58,165 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:04:58,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98787855-5d9e-4f67-82f1-58be43d48dfd/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem14_label30.c [2024-11-25 05:05:01,403 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98787855-5d9e-4f67-82f1-58be43d48dfd/bin/ukojak-verify-ENZ3QT5qd3/data/f67d2ee38/1c074e9ff780469fbc50eb5803fc374d/FLAGf8bf60d6b [2024-11-25 05:05:01,786 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:05:01,787 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98787855-5d9e-4f67-82f1-58be43d48dfd/sv-benchmarks/c/eca-rers2012/Problem14_label30.c [2024-11-25 05:05:01,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98787855-5d9e-4f67-82f1-58be43d48dfd/bin/ukojak-verify-ENZ3QT5qd3/data/f67d2ee38/1c074e9ff780469fbc50eb5803fc374d/FLAGf8bf60d6b [2024-11-25 05:05:01,832 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98787855-5d9e-4f67-82f1-58be43d48dfd/bin/ukojak-verify-ENZ3QT5qd3/data/f67d2ee38/1c074e9ff780469fbc50eb5803fc374d [2024-11-25 05:05:01,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:05:01,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:05:01,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:05:01,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:05:01,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:05:01,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:05:01" (1/1) ... [2024-11-25 05:05:01,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f56224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:01, skipping insertion in model container [2024-11-25 05:05:01,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:05:01" (1/1) ... [2024-11-25 05:05:01,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:05:02,211 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_98787855-5d9e-4f67-82f1-58be43d48dfd/sv-benchmarks/c/eca-rers2012/Problem14_label30.c[4533,4546] [2024-11-25 05:05:02,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:05:02,446 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:05:02,471 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_98787855-5d9e-4f67-82f1-58be43d48dfd/sv-benchmarks/c/eca-rers2012/Problem14_label30.c[4533,4546] [2024-11-25 05:05:02,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:05:02,606 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:05:02,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:02 WrapperNode [2024-11-25 05:05:02,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:05:02,609 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:05:02,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:05:02,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:05:02,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:02" (1/1) ... [2024-11-25 05:05:02,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:02" (1/1) ... [2024-11-25 05:05:02,734 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-25 05:05:02,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:05:02,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:05:02,735 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:05:02,735 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:05:02,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:02" (1/1) ... [2024-11-25 05:05:02,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:02" (1/1) ... [2024-11-25 05:05:02,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:02" (1/1) ... [2024-11-25 05:05:02,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:02" (1/1) ... [2024-11-25 05:05:02,790 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:02" (1/1) ... [2024-11-25 05:05:02,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:02" (1/1) ... [2024-11-25 05:05:02,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:02" (1/1) ... [2024-11-25 05:05:02,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:02" (1/1) ... [2024-11-25 05:05:02,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:02" (1/1) ... [2024-11-25 05:05:02,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:05:02,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:05:02,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:05:02,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:05:02,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:02" (1/1) ... [2024-11-25 05:05:02,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:05:02,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98787855-5d9e-4f67-82f1-58be43d48dfd/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:05:02,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98787855-5d9e-4f67-82f1-58be43d48dfd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:05:02,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98787855-5d9e-4f67-82f1-58be43d48dfd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:05:02,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:05:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:05:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:05:02,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:05:03,092 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:05:03,098 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:05:04,897 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-25 05:05:04,900 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:05:09,974 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:05:09,975 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 05:05:09,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:05:09 BoogieIcfgContainer [2024-11-25 05:05:09,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:05:09,976 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:05:09,976 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:05:09,984 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:05:09,985 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:05:09" (1/1) ... [2024-11-25 05:05:09,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:05:10,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:05:10,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 05:05:10,046 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 05:05:10,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:05:10,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:05:10,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:05:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:05:10,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:05:10,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:05:10,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 05:05:10,448 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 05:05:10,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:05:10,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:05:10,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:05:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:05:32,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:05:32,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:05:32,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-25 05:05:32,680 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-25 05:05:32,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:05:32,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:05:32,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:05:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:05,908 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:07,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:07,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-11-25 05:06:07,130 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-11-25 05:06:07,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:06:07,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:07,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:26,858 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 05:06:27,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:27,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2024-11-25 05:06:27,238 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2024-11-25 05:06:27,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:06:27,240 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-25 05:06:27,254 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 05:06:27,526 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (or (< ~a12~0 12) (not (= ~a24~0 1)) (< 80 ~a12~0) (not (= 7 ~a21~0)) (not (= ~a15~0 6))) [2024-11-25 05:06:27,526 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:06:27,526 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 143) no Hoare annotation was computed. [2024-11-25 05:06:27,526 INFO L77 FloydHoareUtils]: At program point L139-1(lines 30 882) the Hoare annotation is: (or (< ~a12~0 12) (not (= ~a24~0 1)) (< 80 ~a12~0) (not (= 7 ~a21~0)) (not (= ~a15~0 6))) [2024-11-25 05:06:27,527 INFO L77 FloydHoareUtils]: At program point L142-1(lines 30 882) the Hoare annotation is: (or (< ~a12~0 12) (not (= ~a24~0 1)) (< 80 ~a12~0) (not (= 7 ~a21~0)) (not (= ~a15~0 6))) [2024-11-25 05:06:27,527 INFO L75 FloydHoareUtils]: For program point L143(line 143) no Hoare annotation was computed. [2024-11-25 05:06:27,527 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-25 05:06:27,527 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:06:27,527 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (< ~a12~0 12) (not (= ~a24~0 1)) (< 80 ~a12~0) (not (= 7 ~a21~0)) (not (= ~a15~0 6))) [2024-11-25 05:06:27,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:06:27 ImpRootNode [2024-11-25 05:06:27,544 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:06:27,544 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:06:27,544 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:06:27,545 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:06:27,546 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:05:09" (3/4) ... [2024-11-25 05:06:27,549 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:06:27,572 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 234 nodes and edges [2024-11-25 05:06:27,574 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 05:06:27,576 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 05:06:27,578 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 05:06:27,767 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98787855-5d9e-4f67-82f1-58be43d48dfd/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:06:27,767 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98787855-5d9e-4f67-82f1-58be43d48dfd/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:06:27,767 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:06:27,769 INFO L158 Benchmark]: Toolchain (without parser) took 85930.83ms. Allocated memory was 117.4MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 90.9MB in the beginning and 796.7MB in the end (delta: -705.8MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-25 05:06:27,773 INFO L158 Benchmark]: CDTParser took 1.62ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:06:27,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 767.71ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 58.5MB in the end (delta: 32.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 05:06:27,774 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.84ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 49.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:06:27,774 INFO L158 Benchmark]: Boogie Preprocessor took 124.75ms. Allocated memory is still 117.4MB. Free memory was 49.2MB in the beginning and 43.5MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:06:27,774 INFO L158 Benchmark]: RCFGBuilder took 7114.76ms. Allocated memory was 117.4MB in the beginning and 536.9MB in the end (delta: 419.4MB). Free memory was 43.5MB in the beginning and 416.7MB in the end (delta: -373.3MB). Peak memory consumption was 330.1MB. Max. memory is 16.1GB. [2024-11-25 05:06:27,775 INFO L158 Benchmark]: CodeCheck took 77567.50ms. Allocated memory was 536.9MB in the beginning and 1.9GB in the end (delta: 1.3GB). Free memory was 416.7MB in the beginning and 813.2MB in the end (delta: -396.4MB). Peak memory consumption was 928.7MB. Max. memory is 16.1GB. [2024-11-25 05:06:27,775 INFO L158 Benchmark]: Witness Printer took 223.26ms. Allocated memory is still 1.9GB. Free memory was 813.2MB in the beginning and 796.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:06:27,777 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 77.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 106 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 46 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 396 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 987 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 74.3s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 21/34 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 143]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((a12 < 12) || (a24 != 1)) || (80 < a12)) || (7 != a21)) || (a15 != 6)) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((a12 < 12) || (a24 != 1)) || (80 < a12)) || (7 != a21)) || (a15 != 6)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.62ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 767.71ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 58.5MB in the end (delta: 32.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.84ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 49.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 124.75ms. Allocated memory is still 117.4MB. Free memory was 49.2MB in the beginning and 43.5MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7114.76ms. Allocated memory was 117.4MB in the beginning and 536.9MB in the end (delta: 419.4MB). Free memory was 43.5MB in the beginning and 416.7MB in the end (delta: -373.3MB). Peak memory consumption was 330.1MB. Max. memory is 16.1GB. * CodeCheck took 77567.50ms. Allocated memory was 536.9MB in the beginning and 1.9GB in the end (delta: 1.3GB). Free memory was 416.7MB in the beginning and 813.2MB in the end (delta: -396.4MB). Peak memory consumption was 928.7MB. Max. memory is 16.1GB. * Witness Printer took 223.26ms. Allocated memory is still 1.9GB. Free memory was 813.2MB in the beginning and 796.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 05:06:27,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98787855-5d9e-4f67-82f1-58be43d48dfd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE