./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label42.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_6cffa235-2af1-4d25-983e-3c1ab555e8ba/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cffa235-2af1-4d25-983e-3c1ab555e8ba/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cffa235-2af1-4d25-983e-3c1ab555e8ba/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cffa235-2af1-4d25-983e-3c1ab555e8ba/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label42.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cffa235-2af1-4d25-983e-3c1ab555e8ba/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cffa235-2af1-4d25-983e-3c1ab555e8ba/bin/ukojak-verify-CZk0znPC7b --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 7a5efd35608b2274a82684e59fb25c4995783dd9fff74f1e981ddde01ab75357 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:11:07,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:11:07,655 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cffa235-2af1-4d25-983e-3c1ab555e8ba/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:11:07,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:11:07,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:11:07,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:11:07,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:11:07,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:11:07,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:11:07,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:11:07,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:11:07,682 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:11:07,682 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:11:07,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:11:07,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:11:07,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:11:07,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:11:07,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:11:07,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:11:07,683 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:11:07,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:11:07,683 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:11:07,683 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:11:07,684 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:11:07,684 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:11:07,684 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:11:07,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:11:07,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:11:07,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:11:07,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:11:07,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:11:07,684 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:11:07,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:11:07,684 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_6cffa235-2af1-4d25-983e-3c1ab555e8ba/bin/ukojak-verify-CZk0znPC7b 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 -> 7a5efd35608b2274a82684e59fb25c4995783dd9fff74f1e981ddde01ab75357 [2024-12-06 00:11:07,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:11:07,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:11:07,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:11:07,933 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:11:07,934 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:11:07,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cffa235-2af1-4d25-983e-3c1ab555e8ba/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem14_label42.c [2024-12-06 00:11:10,573 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cffa235-2af1-4d25-983e-3c1ab555e8ba/bin/ukojak-verify-CZk0znPC7b/data/fbd2ed99f/7e41f11d8b3740748237b61fa7cc4ba6/FLAGf4d849300 [2024-12-06 00:11:10,828 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:11:10,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cffa235-2af1-4d25-983e-3c1ab555e8ba/sv-benchmarks/c/eca-rers2012/Problem14_label42.c [2024-12-06 00:11:10,841 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cffa235-2af1-4d25-983e-3c1ab555e8ba/bin/ukojak-verify-CZk0znPC7b/data/fbd2ed99f/7e41f11d8b3740748237b61fa7cc4ba6/FLAGf4d849300 [2024-12-06 00:11:11,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cffa235-2af1-4d25-983e-3c1ab555e8ba/bin/ukojak-verify-CZk0znPC7b/data/fbd2ed99f/7e41f11d8b3740748237b61fa7cc4ba6 [2024-12-06 00:11:11,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:11:11,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:11:11,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:11:11,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:11:11,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:11:11,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:11:11" (1/1) ... [2024-12-06 00:11:11,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe8acd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:11, skipping insertion in model container [2024-12-06 00:11:11,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:11:11" (1/1) ... [2024-12-06 00:11:11,184 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:11:11,346 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_6cffa235-2af1-4d25-983e-3c1ab555e8ba/sv-benchmarks/c/eca-rers2012/Problem14_label42.c[4428,4441] [2024-12-06 00:11:11,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:11:11,503 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:11:11,521 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_6cffa235-2af1-4d25-983e-3c1ab555e8ba/sv-benchmarks/c/eca-rers2012/Problem14_label42.c[4428,4441] [2024-12-06 00:11:11,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:11:11,622 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:11:11,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:11 WrapperNode [2024-12-06 00:11:11,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:11:11,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:11:11,623 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:11:11,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:11:11,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:11" (1/1) ... [2024-12-06 00:11:11,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:11" (1/1) ... [2024-12-06 00:11:11,700 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-12-06 00:11:11,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:11:11,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:11:11,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:11:11,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:11:11,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:11" (1/1) ... [2024-12-06 00:11:11,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:11" (1/1) ... [2024-12-06 00:11:11,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:11" (1/1) ... [2024-12-06 00:11:11,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:11" (1/1) ... [2024-12-06 00:11:11,735 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:11" (1/1) ... [2024-12-06 00:11:11,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:11" (1/1) ... [2024-12-06 00:11:11,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:11" (1/1) ... [2024-12-06 00:11:11,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:11" (1/1) ... [2024-12-06 00:11:11,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:11" (1/1) ... [2024-12-06 00:11:11,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:11:11,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:11:11,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:11:11,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:11:11,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:11" (1/1) ... [2024-12-06 00:11:11,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:11:11,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cffa235-2af1-4d25-983e-3c1ab555e8ba/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:11:11,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cffa235-2af1-4d25-983e-3c1ab555e8ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:11:11,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cffa235-2af1-4d25-983e-3c1ab555e8ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:11:11,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:11:11,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:11:11,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:11:11,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:11:11,882 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:11:11,884 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:11:12,971 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-12-06 00:11:12,971 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:11:15,719 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:11:15,719 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:11:15,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:11:15 BoogieIcfgContainer [2024-12-06 00:11:15,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:11:15,720 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:11:15,720 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:11:15,726 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:11:15,726 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:11:15" (1/1) ... [2024-12-06 00:11:15,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:11:15,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:11:15,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 00:11:15,764 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 00:11:15,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:11:15,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:11:15,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:11:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:15,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:11:15,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:11:15,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 00:11:15,998 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 00:11:15,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:11:15,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:11:15,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:11:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:11:30,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:11:31,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:11:31,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-12-06 00:11:31,032 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-12-06 00:11:31,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:11:31,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:11:31,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:11:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:03,163 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:12:04,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:04,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2024-12-06 00:12:04,227 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2024-12-06 00:12:04,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:12:04,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:04,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:12:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:31,169 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:12:31,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:31,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 37 states and 73 transitions. [2024-12-06 00:12:31,845 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 73 transitions. [2024-12-06 00:12:31,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:12:31,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:31,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:12:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:35,251 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:13:36,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:36,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 44 states and 90 transitions. [2024-12-06 00:13:36,267 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 90 transitions. [2024-12-06 00:13:36,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:13:36,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:36,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:13:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:39,203 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:14:40,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:40,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 48 states and 99 transitions. [2024-12-06 00:14:40,066 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 99 transitions. [2024-12-06 00:14:40,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:14:40,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:40,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:14:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:37,512 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:15:38,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:38,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 52 states and 106 transitions. [2024-12-06 00:15:38,171 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2024-12-06 00:15:38,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:15:38,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:38,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:15:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:59,885 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-06 00:16:00,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:00,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 47 states and 100 transitions. [2024-12-06 00:16:00,085 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 100 transitions. [2024-12-06 00:16:00,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 00:16:00,086 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-12-06 00:16:00,094 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 00:16:00,459 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (or (not (= ~a21~0 9)) (not (= ~a24~0 1)) (not (= 7 ~a15~0)) (< 0 (+ ~a12~0 43))) [2024-12-06 00:16:00,459 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 00:16:00,459 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2024-12-06 00:16:00,460 INFO L77 FloydHoareUtils]: At program point L136-1(lines 30 882) the Hoare annotation is: (or (not (= ~a21~0 9)) (not (= ~a24~0 1)) (not (= 7 ~a15~0)) (< 0 (+ ~a12~0 43))) [2024-12-06 00:16:00,460 INFO L77 FloydHoareUtils]: At program point L139-1(lines 30 882) the Hoare annotation is: (or (not (= ~a21~0 9)) (not (= ~a24~0 1)) (not (= 7 ~a15~0)) (< 0 (+ ~a12~0 43))) [2024-12-06 00:16:00,460 INFO L75 FloydHoareUtils]: For program point L140(line 140) no Hoare annotation was computed. [2024-12-06 00:16:00,460 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-12-06 00:16:00,460 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 00:16:00,460 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (not (= ~a21~0 9)) (not (= ~a24~0 1)) (not (= 7 ~a15~0)) (< 0 (+ ~a12~0 43))) [2024-12-06 00:16:00,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:16:00 ImpRootNode [2024-12-06 00:16:00,472 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:16:00,473 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:16:00,473 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:16:00,473 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:16:00,474 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:11:15" (3/4) ... [2024-12-06 00:16:00,476 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 00:16:00,491 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 234 nodes and edges [2024-12-06 00:16:00,492 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-06 00:16:00,493 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 00:16:00,494 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 00:16:00,612 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cffa235-2af1-4d25-983e-3c1ab555e8ba/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:16:00,612 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cffa235-2af1-4d25-983e-3c1ab555e8ba/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:16:00,612 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:16:00,613 INFO L158 Benchmark]: Toolchain (without parser) took 289467.86ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 114.6MB in the beginning and 777.0MB in the end (delta: -662.4MB). Peak memory consumption was 929.2MB. Max. memory is 16.1GB. [2024-12-06 00:16:00,613 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:16:00,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.95ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 83.0MB in the end (delta: 31.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:16:00,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.03ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 73.6MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:16:00,614 INFO L158 Benchmark]: Boogie Preprocessor took 66.99ms. Allocated memory is still 142.6MB. Free memory was 73.6MB in the beginning and 67.9MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:16:00,614 INFO L158 Benchmark]: RCFGBuilder took 3951.30ms. Allocated memory was 142.6MB in the beginning and 486.5MB in the end (delta: 343.9MB). Free memory was 67.7MB in the beginning and 338.2MB in the end (delta: -270.5MB). Peak memory consumption was 277.6MB. Max. memory is 16.1GB. [2024-12-06 00:16:00,615 INFO L158 Benchmark]: CodeCheck took 284752.18ms. Allocated memory was 486.5MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 338.2MB in the beginning and 793.7MB in the end (delta: -455.5MB). Peak memory consumption was 802.7MB. Max. memory is 16.1GB. [2024-12-06 00:16:00,615 INFO L158 Benchmark]: Witness Printer took 139.03ms. Allocated memory is still 1.7GB. Free memory was 793.7MB in the beginning and 777.0MB in the end (delta: 16.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:16:00,617 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: 284.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 419 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 372 mSDsluCounter, 386 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 236 mSDsCounter, 209 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1185 IncrementalHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 209 mSolverCounterUnsat, 150 mSDtfsCounter, 1185 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1134 GetRequests, 982 SyntacticMatches, 34 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6519 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 278.0s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1517 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 36/122 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: 140]: 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: ((((a21 != 9) || (a24 != 1)) || (7 != a15)) || (0 < ((long long) a12 + 43))) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((a21 != 9) || (a24 != 1)) || (7 != a15)) || (0 < ((long long) a12 + 43))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.95ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 83.0MB in the end (delta: 31.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.03ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 73.6MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.99ms. Allocated memory is still 142.6MB. Free memory was 73.6MB in the beginning and 67.9MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3951.30ms. Allocated memory was 142.6MB in the beginning and 486.5MB in the end (delta: 343.9MB). Free memory was 67.7MB in the beginning and 338.2MB in the end (delta: -270.5MB). Peak memory consumption was 277.6MB. Max. memory is 16.1GB. * CodeCheck took 284752.18ms. Allocated memory was 486.5MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 338.2MB in the beginning and 793.7MB in the end (delta: -455.5MB). Peak memory consumption was 802.7MB. Max. memory is 16.1GB. * Witness Printer took 139.03ms. Allocated memory is still 1.7GB. Free memory was 793.7MB in the beginning and 777.0MB in the end (delta: 16.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 00:16:00,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cffa235-2af1-4d25-983e-3c1ab555e8ba/bin/ukojak-verify-CZk0znPC7b/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