./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/bin/ukojak-verify-EEHR8qb7sm --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 51cb0ed4f3a380cdd7ae4c472320ddbca58dabad2572a56f851358e7417ed040 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:07:36,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:07:36,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:07:36,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:07:36,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:07:36,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:07:36,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:07:36,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:07:36,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:07:36,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:07:36,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:07:36,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:07:36,474 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:07:36,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:07:36,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:07:36,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:07:36,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:07:36,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:07:36,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:07:36,474 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:07:36,474 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:07:36,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:07:36,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:07:36,475 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:07:36,475 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:07:36,475 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:07:36,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:07:36,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:07:36,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:07:36,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:07:36,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:07:36,477 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:07:36,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:07:36,477 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_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/bin/ukojak-verify-EEHR8qb7sm 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 -> 51cb0ed4f3a380cdd7ae4c472320ddbca58dabad2572a56f851358e7417ed040 [2024-11-13 23:07:36,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:07:36,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:07:36,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:07:36,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:07:36,838 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:07:36,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i Unable to find full path for "g++" [2024-11-13 23:07:38,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:07:39,092 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:07:39,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/sv-benchmarks/c/loop-lit/mine2017-ex4.7.i [2024-11-13 23:07:39,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/bin/ukojak-verify-EEHR8qb7sm/data/0ffdbac1b/98d8436870eb4b76b317553ed141fd04/FLAG6af61e95c [2024-11-13 23:07:39,122 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/bin/ukojak-verify-EEHR8qb7sm/data/0ffdbac1b/98d8436870eb4b76b317553ed141fd04 [2024-11-13 23:07:39,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:07:39,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:07:39,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:07:39,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:07:39,135 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:07:39,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:39" (1/1) ... [2024-11-13 23:07:39,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7065bc1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:39, skipping insertion in model container [2024-11-13 23:07:39,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:39" (1/1) ... [2024-11-13 23:07:39,157 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:07:39,343 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_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/sv-benchmarks/c/loop-lit/mine2017-ex4.7.i[812,825] [2024-11-13 23:07:39,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:07:39,373 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:07:39,388 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_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/sv-benchmarks/c/loop-lit/mine2017-ex4.7.i[812,825] [2024-11-13 23:07:39,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:07:39,413 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:07:39,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:39 WrapperNode [2024-11-13 23:07:39,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:07:39,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:07:39,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:07:39,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:07:39,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:39" (1/1) ... [2024-11-13 23:07:39,433 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:39" (1/1) ... [2024-11-13 23:07:39,454 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2024-11-13 23:07:39,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:07:39,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:07:39,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:07:39,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:07:39,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:39" (1/1) ... [2024-11-13 23:07:39,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:39" (1/1) ... [2024-11-13 23:07:39,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:39" (1/1) ... [2024-11-13 23:07:39,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:39" (1/1) ... [2024-11-13 23:07:39,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:39" (1/1) ... [2024-11-13 23:07:39,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:39" (1/1) ... [2024-11-13 23:07:39,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:39" (1/1) ... [2024-11-13 23:07:39,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:39" (1/1) ... [2024-11-13 23:07:39,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:07:39,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:07:39,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:07:39,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:07:39,489 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:39" (1/1) ... [2024-11-13 23:07:39,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:07:39,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:07:39,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:07:39,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:07:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:07:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:07:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:07:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:07:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:07:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:07:39,663 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:07:39,665 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:07:39,826 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-13 23:07:39,827 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:07:39,896 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:07:39,899 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:07:39,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:39 BoogieIcfgContainer [2024-11-13 23:07:39,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:07:39,901 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:07:39,901 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:07:39,916 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:07:39,916 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:39" (1/1) ... [2024-11-13 23:07:39,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:07:39,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:40,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-13 23:07:40,011 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-13 23:07:40,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:07:40,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:40,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:40,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:07:40,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:40,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 22 transitions. [2024-11-13 23:07:40,533 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-13 23:07:40,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:07:40,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:40,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:40,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:07:40,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:40,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 28 transitions. [2024-11-13 23:07:40,833 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-11-13 23:07:40,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:07:40,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:40,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:41,239 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 23:07:41,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:41,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 38 transitions. [2024-11-13 23:07:41,515 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-13 23:07:41,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 23:07:41,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:41,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:41,936 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 23:07:42,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:42,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 47 transitions. [2024-11-13 23:07:42,278 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2024-11-13 23:07:42,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 23:07:42,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:42,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:42,966 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 23:07:43,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:43,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 42 transitions. [2024-11-13 23:07:43,115 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2024-11-13 23:07:43,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 23:07:43,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:43,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:43,588 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 14 proven. 23 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-13 23:07:43,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:43,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 22 states and 32 transitions. [2024-11-13 23:07:43,667 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-13 23:07:43,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:07:43,668 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 23:07:43,680 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 23:07:43,726 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:07:43,726 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: true [2024-11-13 23:07:43,726 INFO L77 FloydHoareUtils]: At program point L17-1(lines 17 25) the Hoare annotation is: true [2024-11-13 23:07:43,726 INFO L77 FloydHoareUtils]: At program point L17-3(lines 17 25) the Hoare annotation is: true [2024-11-13 23:07:43,726 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:07:43,726 INFO L77 FloydHoareUtils]: At program point L20-1(lines 17 25) the Hoare annotation is: true [2024-11-13 23:07:43,726 INFO L77 FloydHoareUtils]: At program point L18(line 18) the Hoare annotation is: true [2024-11-13 23:07:43,727 INFO L77 FloydHoareUtils]: At program point L18-1(line 18) the Hoare annotation is: true [2024-11-13 23:07:43,727 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: true [2024-11-13 23:07:43,727 INFO L77 FloydHoareUtils]: At program point L13-1(line 13) the Hoare annotation is: true [2024-11-13 23:07:43,727 INFO L77 FloydHoareUtils]: At program point L13-3(line 13) the Hoare annotation is: true [2024-11-13 23:07:43,727 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(line 13) the Hoare annotation is: true [2024-11-13 23:07:43,727 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 13) the Hoare annotation is: true [2024-11-13 23:07:43,728 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) the Hoare annotation is: true [2024-11-13 23:07:43,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:07:43 ImpRootNode [2024-11-13 23:07:43,748 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:07:43,748 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:07:43,748 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:07:43,749 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:07:43,749 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:39" (3/4) ... [2024-11-13 23:07:43,753 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:07:43,756 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 23:07:43,760 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 23:07:43,762 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 23:07:43,762 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 23:07:43,762 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:07:43,850 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:07:43,851 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:07:43,851 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:07:43,853 INFO L158 Benchmark]: Toolchain (without parser) took 4725.34ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 84.5MB in the end (delta: 33.0MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-11-13 23:07:43,853 INFO L158 Benchmark]: CDTParser took 1.12ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:43,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.97ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 106.7MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:07:43,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.90ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.5MB in the end (delta: 938.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:43,856 INFO L158 Benchmark]: Boogie Preprocessor took 28.50ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.8MB in the end (delta: 738.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:43,857 INFO L158 Benchmark]: RCFGBuilder took 415.70ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 94.0MB in the end (delta: 10.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:07:43,857 INFO L158 Benchmark]: CodeCheck took 3846.48ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 89.7MB in the end (delta: 4.4MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2024-11-13 23:07:43,857 INFO L158 Benchmark]: Witness Printer took 103.16ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 84.5MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:43,859 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 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 171 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 248 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 152 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 315 IncrementalHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 152 mSolverCounterUnsat, 128 mSDtfsCounter, 315 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1007 GetRequests, 944 SyntacticMatches, 37 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 453 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 227/277 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 - PositiveResult [Line: 13]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.97ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 106.7MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.90ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.5MB in the end (delta: 938.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.50ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.8MB in the end (delta: 738.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 415.70ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 94.0MB in the end (delta: 10.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3846.48ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 89.7MB in the end (delta: 4.4MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Witness Printer took 103.16ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 84.5MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 23:07:43,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2ef063-e372-4e43-84d7-b5c7c3c99cbb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE