./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label37.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_68dc8d0f-e69e-4061-b15b-69c06303c1e0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68dc8d0f-e69e-4061-b15b-69c06303c1e0/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_68dc8d0f-e69e-4061-b15b-69c06303c1e0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68dc8d0f-e69e-4061-b15b-69c06303c1e0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label37.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68dc8d0f-e69e-4061-b15b-69c06303c1e0/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_68dc8d0f-e69e-4061-b15b-69c06303c1e0/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 0119f2b2fb4504b695be9741d94be3417a406a0ace70334ccdd5124dc6f7dfad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:17:37,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:17:37,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68dc8d0f-e69e-4061-b15b-69c06303c1e0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:17:37,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:17:37,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:17:37,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:17:37,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:17:37,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:17:37,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:17:37,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:17:37,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:17:37,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:17:37,374 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:17:37,374 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:17:37,374 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:17:37,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:17:37,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:17:37,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:17:37,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:17:37,375 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:17:37,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:17:37,375 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:17:37,375 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:17:37,376 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:17:37,376 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:17:37,376 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:17:37,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:17:37,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:17:37,376 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:17:37,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:17:37,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:17:37,377 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:17:37,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:17:37,377 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_68dc8d0f-e69e-4061-b15b-69c06303c1e0/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 -> 0119f2b2fb4504b695be9741d94be3417a406a0ace70334ccdd5124dc6f7dfad [2024-11-25 02:17:37,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:17:37,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:17:37,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:17:37,694 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:17:37,694 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:17:37,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68dc8d0f-e69e-4061-b15b-69c06303c1e0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem10_label37.c [2024-11-25 02:17:40,624 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68dc8d0f-e69e-4061-b15b-69c06303c1e0/bin/ukojak-verify-ENZ3QT5qd3/data/a1c4e797b/aca54132eaed43258860c8d3dd564448/FLAG8b90d2261 [2024-11-25 02:17:41,039 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:17:41,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68dc8d0f-e69e-4061-b15b-69c06303c1e0/sv-benchmarks/c/eca-rers2012/Problem10_label37.c [2024-11-25 02:17:41,067 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68dc8d0f-e69e-4061-b15b-69c06303c1e0/bin/ukojak-verify-ENZ3QT5qd3/data/a1c4e797b/aca54132eaed43258860c8d3dd564448/FLAG8b90d2261 [2024-11-25 02:17:41,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68dc8d0f-e69e-4061-b15b-69c06303c1e0/bin/ukojak-verify-ENZ3QT5qd3/data/a1c4e797b/aca54132eaed43258860c8d3dd564448 [2024-11-25 02:17:41,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:17:41,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:17:41,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:17:41,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:17:41,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:17:41,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:17:41" (1/1) ... [2024-11-25 02:17:41,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6fd9e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:41, skipping insertion in model container [2024-11-25 02:17:41,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:17:41" (1/1) ... [2024-11-25 02:17:41,157 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:17:41,404 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_68dc8d0f-e69e-4061-b15b-69c06303c1e0/sv-benchmarks/c/eca-rers2012/Problem10_label37.c[6216,6229] [2024-11-25 02:17:41,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:17:41,556 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:17:41,592 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_68dc8d0f-e69e-4061-b15b-69c06303c1e0/sv-benchmarks/c/eca-rers2012/Problem10_label37.c[6216,6229] [2024-11-25 02:17:41,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:17:41,721 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:17:41,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:41 WrapperNode [2024-11-25 02:17:41,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:17:41,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:17:41,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:17:41,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:17:41,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:41" (1/1) ... [2024-11-25 02:17:41,749 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:41" (1/1) ... [2024-11-25 02:17:41,833 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-25 02:17:41,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:17:41,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:17:41,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:17:41,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:17:41,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:41" (1/1) ... [2024-11-25 02:17:41,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:41" (1/1) ... [2024-11-25 02:17:41,852 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:41" (1/1) ... [2024-11-25 02:17:41,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:41" (1/1) ... [2024-11-25 02:17:41,884 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:41" (1/1) ... [2024-11-25 02:17:41,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:41" (1/1) ... [2024-11-25 02:17:41,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:41" (1/1) ... [2024-11-25 02:17:41,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:41" (1/1) ... [2024-11-25 02:17:41,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:41" (1/1) ... [2024-11-25 02:17:41,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:17:41,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:17:41,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:17:41,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:17:41,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:41" (1/1) ... [2024-11-25 02:17:41,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:17:41,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68dc8d0f-e69e-4061-b15b-69c06303c1e0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:17:41,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68dc8d0f-e69e-4061-b15b-69c06303c1e0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:17:41,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68dc8d0f-e69e-4061-b15b-69c06303c1e0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:17:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:17:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:17:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:17:42,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:17:42,078 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:17:42,080 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:17:43,497 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-25 02:17:43,498 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:17:46,680 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:17:46,681 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:17:46,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:17:46 BoogieIcfgContainer [2024-11-25 02:17:46,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:17:46,683 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:17:46,683 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:17:46,693 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:17:46,693 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:17:46" (1/1) ... [2024-11-25 02:17:46,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:17:46,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:17:46,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 02:17:46,760 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 02:17:46,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:17:46,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:17:46,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:17:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:47,206 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 02:17:47,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:17:47,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-25 02:17:47,341 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-25 02:17:47,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:17:47,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:17:47,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:17:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:01,185 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 02:18:01,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:01,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-25 02:18:01,883 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-25 02:18:01,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:18:01,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:01,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:18:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:20,603 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 02:18:21,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:21,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2024-11-25 02:18:21,753 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2024-11-25 02:18:21,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:18:21,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:21,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:18:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:34,278 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 02:18:35,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:35,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2024-11-25 02:18:35,027 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2024-11-25 02:18:35,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:18:35,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:35,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:18:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:46,157 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 02:18:46,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:46,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2024-11-25 02:18:46,560 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2024-11-25 02:18:46,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:18:46,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:46,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:18:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:08,790 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 02:19:09,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:19:09,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2024-11-25 02:19:09,328 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2024-11-25 02:19:09,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:19:09,328 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-25 02:19:09,338 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 02:19:09,684 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (<= 8 ~a19~0) .cse0 .cse1) (and (not (= ~a10~0 4)) .cse0 .cse1) (and (or (< 220 ~a1~0) (< ~a1~0 39)) .cse0 .cse1) (and .cse0 .cse1 (< ~a19~0 7)))) [2024-11-25 02:19:09,685 INFO L77 FloydHoareUtils]: At program point L172-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a10~0 4)) (not (= 7 ~a19~0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 02:19:09,685 INFO L77 FloydHoareUtils]: At program point L175-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a10~0 4)) (not (= 7 ~a19~0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 02:19:09,685 INFO L75 FloydHoareUtils]: For program point L176(line 176) no Hoare annotation was computed. [2024-11-25 02:19:09,685 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-25 02:19:09,685 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:19:09,685 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:19:09,685 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (<= 8 ~a19~0) .cse0 .cse1) (and (not (= ~a10~0 4)) .cse0 .cse1) (and (or (< 220 ~a1~0) (< ~a1~0 39)) .cse0 .cse1) (and .cse0 .cse1 (< ~a19~0 7)))) [2024-11-25 02:19:09,685 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 176) no Hoare annotation was computed. [2024-11-25 02:19:09,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:19:09 ImpRootNode [2024-11-25 02:19:09,700 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:19:09,701 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:19:09,701 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:19:09,701 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:19:09,702 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:17:46" (3/4) ... [2024-11-25 02:19:09,704 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:19:09,719 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-25 02:19:09,720 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 02:19:09,721 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 02:19:09,722 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:19:09,890 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68dc8d0f-e69e-4061-b15b-69c06303c1e0/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:19:09,890 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68dc8d0f-e69e-4061-b15b-69c06303c1e0/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:19:09,891 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:19:09,892 INFO L158 Benchmark]: Toolchain (without parser) took 88794.72ms. Allocated memory was 117.4MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 92.8MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2024-11-25 02:19:09,892 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:19:09,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 623.75ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 64.7MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:19:09,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.69ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 57.3MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:19:09,895 INFO L158 Benchmark]: Boogie Preprocessor took 93.82ms. Allocated memory is still 117.4MB. Free memory was 57.3MB in the beginning and 52.4MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:19:09,897 INFO L158 Benchmark]: RCFGBuilder took 4753.94ms. Allocated memory was 117.4MB in the beginning and 511.7MB in the end (delta: 394.3MB). Free memory was 52.4MB in the beginning and 384.5MB in the end (delta: -332.1MB). Peak memory consumption was 195.9MB. Max. memory is 16.1GB. [2024-11-25 02:19:09,897 INFO L158 Benchmark]: CodeCheck took 83017.54ms. Allocated memory was 511.7MB in the beginning and 1.9GB in the end (delta: 1.4GB). Free memory was 384.5MB in the beginning and 1.8GB in the end (delta: -1.4GB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:19:09,898 INFO L158 Benchmark]: Witness Printer took 190.01ms. Allocated memory is still 1.9GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:19:09,901 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: 82.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 215 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 175 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 498 IncrementalHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 78 mSDtfsCounter, 498 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 742 GetRequests, 631 SyntacticMatches, 37 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2249 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 77.9s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 822 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 48/76 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: 176]: 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: ((((((8 <= a19) && (14 == a4)) && (a12 == 0)) || (((a10 != 4) && (14 == a4)) && (a12 == 0))) || ((((220 < a1) || (a1 < 39)) && (14 == a4)) && (a12 == 0))) || (((14 == a4) && (a12 == 0)) && (a19 < 7))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: ((((a10 != 4) || (7 != a19)) && (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 167.8MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 623.75ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 64.7MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.69ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 57.3MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.82ms. Allocated memory is still 117.4MB. Free memory was 57.3MB in the beginning and 52.4MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4753.94ms. Allocated memory was 117.4MB in the beginning and 511.7MB in the end (delta: 394.3MB). Free memory was 52.4MB in the beginning and 384.5MB in the end (delta: -332.1MB). Peak memory consumption was 195.9MB. Max. memory is 16.1GB. * CodeCheck took 83017.54ms. Allocated memory was 511.7MB in the beginning and 1.9GB in the end (delta: 1.4GB). Free memory was 384.5MB in the beginning and 1.8GB in the end (delta: -1.4GB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 190.01ms. Allocated memory is still 1.9GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:19:09,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68dc8d0f-e69e-4061-b15b-69c06303c1e0/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