./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label39.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_d717a234-bc26-4cd3-aca7-8e717bbbc334/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d717a234-bc26-4cd3-aca7-8e717bbbc334/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_d717a234-bc26-4cd3-aca7-8e717bbbc334/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d717a234-bc26-4cd3-aca7-8e717bbbc334/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label39.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d717a234-bc26-4cd3-aca7-8e717bbbc334/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_d717a234-bc26-4cd3-aca7-8e717bbbc334/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 09088bf7df05fb0aeb7e867d28b9bd6e460902ff256d0b616aa1b0e915b11fad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:26:00,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:26:00,532 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d717a234-bc26-4cd3-aca7-8e717bbbc334/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:26:00,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:26:00,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:26:00,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:26:00,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:26:00,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:26:00,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:26:00,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:26:00,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:26:00,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:26:00,559 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:26:00,559 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:26:00,559 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:26:00,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:26:00,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:26:00,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:26:00,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:26:00,559 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:26:00,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:26:00,559 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:26:00,559 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:26:00,560 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:26:00,560 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:26:00,560 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:26:00,560 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:26:00,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:26:00,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:26:00,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:26:00,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:26:00,560 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:26:00,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:26:00,560 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_d717a234-bc26-4cd3-aca7-8e717bbbc334/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 -> 09088bf7df05fb0aeb7e867d28b9bd6e460902ff256d0b616aa1b0e915b11fad [2024-12-05 22:26:00,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:26:00,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:26:00,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:26:00,810 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:26:00,810 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:26:00,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d717a234-bc26-4cd3-aca7-8e717bbbc334/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem10_label39.c [2024-12-05 22:26:03,471 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d717a234-bc26-4cd3-aca7-8e717bbbc334/bin/ukojak-verify-CZk0znPC7b/data/a2c93d474/0a59b435984148dabe6f3631c7318683/FLAG12d5b30fa [2024-12-05 22:26:03,743 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:26:03,744 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d717a234-bc26-4cd3-aca7-8e717bbbc334/sv-benchmarks/c/eca-rers2012/Problem10_label39.c [2024-12-05 22:26:03,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d717a234-bc26-4cd3-aca7-8e717bbbc334/bin/ukojak-verify-CZk0znPC7b/data/a2c93d474/0a59b435984148dabe6f3631c7318683/FLAG12d5b30fa [2024-12-05 22:26:04,048 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d717a234-bc26-4cd3-aca7-8e717bbbc334/bin/ukojak-verify-CZk0znPC7b/data/a2c93d474/0a59b435984148dabe6f3631c7318683 [2024-12-05 22:26:04,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:26:04,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:26:04,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:26:04,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:26:04,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:26:04,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:26:04" (1/1) ... [2024-12-05 22:26:04,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a37d2a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:04, skipping insertion in model container [2024-12-05 22:26:04,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:26:04" (1/1) ... [2024-12-05 22:26:04,087 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:26:04,233 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_d717a234-bc26-4cd3-aca7-8e717bbbc334/sv-benchmarks/c/eca-rers2012/Problem10_label39.c[3149,3162] [2024-12-05 22:26:04,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:26:04,360 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:26:04,378 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_d717a234-bc26-4cd3-aca7-8e717bbbc334/sv-benchmarks/c/eca-rers2012/Problem10_label39.c[3149,3162] [2024-12-05 22:26:04,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:26:04,460 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:26:04,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:04 WrapperNode [2024-12-05 22:26:04,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:26:04,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:26:04,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:26:04,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:26:04,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:04" (1/1) ... [2024-12-05 22:26:04,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:04" (1/1) ... [2024-12-05 22:26:04,525 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-12-05 22:26:04,525 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:26:04,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:26:04,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:26:04,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:26:04,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:04" (1/1) ... [2024-12-05 22:26:04,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:04" (1/1) ... [2024-12-05 22:26:04,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:04" (1/1) ... [2024-12-05 22:26:04,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:04" (1/1) ... [2024-12-05 22:26:04,558 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:04" (1/1) ... [2024-12-05 22:26:04,560 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:04" (1/1) ... [2024-12-05 22:26:04,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:04" (1/1) ... [2024-12-05 22:26:04,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:04" (1/1) ... [2024-12-05 22:26:04,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:04" (1/1) ... [2024-12-05 22:26:04,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:26:04,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:26:04,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:26:04,583 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:26:04,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:04" (1/1) ... [2024-12-05 22:26:04,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:26:04,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d717a234-bc26-4cd3-aca7-8e717bbbc334/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:26:04,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d717a234-bc26-4cd3-aca7-8e717bbbc334/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:26:04,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d717a234-bc26-4cd3-aca7-8e717bbbc334/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:26:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:26:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:26:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:26:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:26:04,696 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:26:04,698 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:26:05,606 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-12-05 22:26:05,606 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:26:07,394 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:26:07,394 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:26:07,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:26:07 BoogieIcfgContainer [2024-12-05 22:26:07,394 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:26:07,395 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:26:07,395 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:26:07,403 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:26:07,403 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:26:07" (1/1) ... [2024-12-05 22:26:07,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:26:07,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:07,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-05 22:26:07,450 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-05 22:26:07,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:26:07,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:07,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:26:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:07,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:26:07,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:07,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-05 22:26:07,693 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-05 22:26:07,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:26:07,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:07,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:26:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:15,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:26:15,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:15,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-12-05 22:26:15,594 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-12-05 22:26:15,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:26:15,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:15,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:26:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:26:30,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:30,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-12-05 22:26:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-12-05 22:26:30,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:26:30,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:30,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:26:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:46,016 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:26:46,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:46,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2024-12-05 22:26:46,429 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2024-12-05 22:26:46,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:26:46,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:46,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:26:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:59,137 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:26:59,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2024-12-05 22:26:59,693 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2024-12-05 22:26:59,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 22:26:59,694 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-05 22:26:59,701 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 22:27:00,002 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (< 40 ~a1~0) (not (= ~a19~0 8)) (not (= ~a10~0 0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-05 22:27:00,002 INFO L77 FloydHoareUtils]: At program point L88-1(lines 30 584) the Hoare annotation is: (and (or (and (<= 0 (+ ~a1~0 12)) (<= ~a1~0 38)) (not (= ~a19~0 8)) (not (= ~a10~0 0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-05 22:27:00,002 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-12-05 22:27:00,002 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 22:27:00,002 INFO L77 FloydHoareUtils]: At program point L91-1(lines 30 584) the Hoare annotation is: (and (or (and (<= 0 (+ ~a1~0 12)) (<= ~a1~0 38)) (not (= ~a19~0 8)) (not (= ~a10~0 0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-05 22:27:00,002 INFO L75 FloydHoareUtils]: For program point L92(line 92) no Hoare annotation was computed. [2024-12-05 22:27:00,002 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 22:27:00,003 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (< 40 ~a1~0) (not (= ~a19~0 8)) (not (= ~a10~0 0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-05 22:27:00,003 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2024-12-05 22:27:00,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:27:00 ImpRootNode [2024-12-05 22:27:00,015 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:27:00,016 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:27:00,016 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:27:00,016 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:27:00,017 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:26:07" (3/4) ... [2024-12-05 22:27:00,019 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 22:27:00,032 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 196 nodes and edges [2024-12-05 22:27:00,033 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-05 22:27:00,034 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 22:27:00,035 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 22:27:00,142 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d717a234-bc26-4cd3-aca7-8e717bbbc334/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:27:00,142 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d717a234-bc26-4cd3-aca7-8e717bbbc334/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:27:00,142 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:27:00,143 INFO L158 Benchmark]: Toolchain (without parser) took 56091.75ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 116.8MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 191.1MB. Max. memory is 16.1GB. [2024-12-05 22:27:00,143 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:27:00,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.16ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 89.5MB in the end (delta: 27.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 22:27:00,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.43ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 82.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:27:00,144 INFO L158 Benchmark]: Boogie Preprocessor took 55.86ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 77.4MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:27:00,145 INFO L158 Benchmark]: RCFGBuilder took 2812.21ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 77.4MB in the beginning and 443.9MB in the end (delta: -366.5MB). Peak memory consumption was 172.0MB. Max. memory is 16.1GB. [2024-12-05 22:27:00,145 INFO L158 Benchmark]: CodeCheck took 52620.09ms. Allocated memory was 520.1MB in the beginning and 1.6GB in the end (delta: 1.0GB). Free memory was 443.9MB in the beginning and 1.3GB in the end (delta: -902.9MB). Peak memory consumption was 128.9MB. Max. memory is 16.1GB. [2024-12-05 22:27:00,145 INFO L158 Benchmark]: Witness Printer took 126.72ms. Allocated memory is still 1.6GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:27:00,147 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: 52.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 128 mSDsluCounter, 155 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 366 IncrementalHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 65 mSDtfsCounter, 366 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 547 GetRequests, 469 SyntacticMatches, 20 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1667 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 49.7s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 702 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 8/44 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: 92]: 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: 592]: Loop Invariant Derived loop invariant: (((((40 < a1) || (a19 != 8)) || (a10 != 0)) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: ((((((0 <= ((long long) a1 + 12)) && (a1 <= 38)) || (a19 != 8)) || (a10 != 0)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.16ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 89.5MB in the end (delta: 27.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.43ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 82.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.86ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 77.4MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2812.21ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 77.4MB in the beginning and 443.9MB in the end (delta: -366.5MB). Peak memory consumption was 172.0MB. Max. memory is 16.1GB. * CodeCheck took 52620.09ms. Allocated memory was 520.1MB in the beginning and 1.6GB in the end (delta: 1.0GB). Free memory was 443.9MB in the beginning and 1.3GB in the end (delta: -902.9MB). Peak memory consumption was 128.9MB. Max. memory is 16.1GB. * Witness Printer took 126.72ms. Allocated memory is still 1.6GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 22:27:00,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d717a234-bc26-4cd3-aca7-8e717bbbc334/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