./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_2_1.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_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/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_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_2_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/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_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/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 4f3a518e2178ada847d08214b3921c5447bcf5e7ad9d30e9f833babec7755c7f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:23:21,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:23:21,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:23:21,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:23:21,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:23:21,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:23:21,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:23:21,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:23:21,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:23:21,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:23:21,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:23:21,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:23:21,463 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:23:21,463 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:23:21,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:23:21,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:23:21,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:23:21,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:23:21,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:23:21,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:23:21,464 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:23:21,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:23:21,464 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:23:21,464 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:23:21,464 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:23:21,465 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:23:21,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:23:21,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:23:21,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:23:21,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:23:21,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:23:21,465 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:23:21,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:23:21,465 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_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/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 -> 4f3a518e2178ada847d08214b3921c5447bcf5e7ad9d30e9f833babec7755c7f [2024-11-13 21:23:21,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:23:21,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:23:21,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:23:21,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:23:21,793 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:23:21,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_4+newton_2_1.i Unable to find full path for "g++" [2024-11-13 21:23:23,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:23:23,976 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:23:23,976 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i [2024-11-13 21:23:23,995 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/data/1a89371f8/e7a2523a2f66406c9ef0f22c5eaffdbd/FLAG443be1c28 [2024-11-13 21:23:24,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/data/1a89371f8/e7a2523a2f66406c9ef0f22c5eaffdbd [2024-11-13 21:23:24,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:23:24,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:23:24,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:23:24,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:23:24,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:23:24,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55671fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24, skipping insertion in model container [2024-11-13 21:23:24,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,071 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:23:24,246 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_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i[1224,1237] [2024-11-13 21:23:24,286 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_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i[2827,2840] [2024-11-13 21:23:24,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:23:24,299 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:23:24,312 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_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i[1224,1237] [2024-11-13 21:23:24,323 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_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i[2827,2840] [2024-11-13 21:23:24,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:23:24,340 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:23:24,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24 WrapperNode [2024-11-13 21:23:24,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:23:24,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:23:24,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:23:24,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:23:24,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,357 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,379 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 78 [2024-11-13 21:23:24,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:23:24,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:23:24,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:23:24,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:23:24,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,413 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:23:24,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:23:24,419 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:23:24,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:23:24,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:23:24,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:23:24,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:23:24,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:23:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:23:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 21:23:24,492 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 21:23:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 21:23:24,492 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 21:23:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:23:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:23:24,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:23:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:23:24,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:23:24,572 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:23:24,574 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:23:24,750 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 21:23:24,750 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:23:24,840 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:23:24,840 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:23:24,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:23:24 BoogieIcfgContainer [2024-11-13 21:23:24,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:23:24,841 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:23:24,842 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:23:24,852 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:23:24,852 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:23:24" (1/1) ... [2024-11-13 21:23:24,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:23:24,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:24,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-11-13 21:23:24,918 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-11-13 21:23:24,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:23:24,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:24,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:25,259 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 21:23:25,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:25,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2024-11-13 21:23:25,326 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-11-13 21:23:25,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:23:25,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:25,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:25,472 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 21:23:25,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:25,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2024-11-13 21:23:25,601 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-11-13 21:23:25,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:23:25,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:25,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:25,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:23:26,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:26,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2024-11-13 21:23:26,095 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2024-11-13 21:23:26,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:23:26,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:26,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:26,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:23:26,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:26,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2024-11-13 21:23:26,657 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2024-11-13 21:23:26,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:23:26,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:26,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:27,035 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:23:27,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:27,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2024-11-13 21:23:27,604 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2024-11-13 21:23:27,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:23:27,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:27,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:27,993 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:23:28,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:28,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2024-11-13 21:23:28,986 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2024-11-13 21:23:28,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:23:28,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:28,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:29,219 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:23:29,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:29,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2024-11-13 21:23:29,423 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2024-11-13 21:23:29,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:23:29,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:29,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:29,726 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:23:29,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:29,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 81 transitions. [2024-11-13 21:23:29,918 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 81 transitions. [2024-11-13 21:23:29,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:23:29,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:29,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:23:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:29,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:23:29,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:30,685 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:23:31,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:31,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2024-11-13 21:23:31,923 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2024-11-13 21:23:31,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:23:31,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:31,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:23:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:31,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:23:31,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:23:32,061 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:23:32,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:32,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 45 transitions. [2024-11-13 21:23:32,225 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-11-13 21:23:32,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:23:32,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:32,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:23:32,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:23:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:23:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:23:32,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:23:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:23:32,292 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2024-11-13 21:23:32,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:23:32 ImpRootNode [2024-11-13 21:23:32,318 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:23:32,319 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:23:32,319 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:23:32,319 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:23:32,320 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:23:24" (3/4) ... [2024-11-13 21:23:32,322 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:23:32,323 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:23:32,324 INFO L158 Benchmark]: Toolchain (without parser) took 8283.35ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 119.3MB in the beginning and 230.5MB in the end (delta: -111.2MB). Peak memory consumption was 172.2MB. Max. memory is 16.1GB. [2024-11-13 21:23:32,324 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:32,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.10ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.1MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:23:32,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.47ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 105.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:32,326 INFO L158 Benchmark]: Boogie Preprocessor took 35.74ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.9MB in the end (delta: 792.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:32,326 INFO L158 Benchmark]: RCFGBuilder took 421.92ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 88.3MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:23:32,326 INFO L158 Benchmark]: CodeCheck took 7477.02ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 88.0MB in the beginning and 230.6MB in the end (delta: -142.6MB). Peak memory consumption was 147.0MB. Max. memory is 16.1GB. [2024-11-13 21:23:32,327 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 427.8MB. Free memory was 230.6MB in the beginning and 230.5MB in the end (delta: 87.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:32,329 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 4 procedures, 31 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 310 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 98 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 478 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1384 IncrementalHoareTripleChecker+Invalid, 1862 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 478 mSolverCounterUnsat, 98 mSDtfsCounter, 1384 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1301 GetRequests, 1173 SyntacticMatches, 22 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5536 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 579 SizeOfPredicates, 4 NumberOfNonLiveVariables, 148 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 0/70 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 - UnprovableResult [Line: 109]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryArithmeticFLOAToperation at line 87, overapproximation of someBinaryArithmeticFLOAToperation at line 92, overapproximation of someBinaryArithmeticFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 102. Possible FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L82] COND FALSE !(!cond) [L98] RET assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L100] CALL, EXPR f(IN) VAL [\old(x)=2] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L100] RET, EXPR f(IN) VAL [IN=2] [L100] CALL, EXPR fp(IN) VAL [\old(x)=2] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L100] RET, EXPR fp(IN) VAL [IN=2] [L100] float x = IN - f(IN)/fp(IN); [L102] CALL, EXPR f(x) VAL [\old(x)=3] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L102] RET, EXPR f(x) VAL [IN=2, x=3] [L102] CALL, EXPR fp(x) VAL [\old(x)=3] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L102] RET, EXPR fp(x) VAL [IN=2, x=3] [L102] x = x - f(x)/fp(x) [L108] COND TRUE !(x < 0.1) VAL [IN=2] [L109] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.10ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.1MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.47ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 105.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.74ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.9MB in the end (delta: 792.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 421.92ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 88.3MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 7477.02ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 88.0MB in the beginning and 230.6MB in the end (delta: -142.6MB). Peak memory consumption was 147.0MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 427.8MB. Free memory was 230.6MB in the beginning and 230.5MB in the end (delta: 87.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:23:32,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/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_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_2_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/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 4f3a518e2178ada847d08214b3921c5447bcf5e7ad9d30e9f833babec7755c7f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:23:34,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:23:35,041 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:23:35,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:23:35,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:23:35,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:23:35,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:23:35,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:23:35,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:23:35,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:23:35,103 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:23:35,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:23:35,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:23:35,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:23:35,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:23:35,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:23:35,104 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:23:35,104 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:23:35,105 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:23:35,105 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:23:35,105 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:23:35,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:23:35,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:23:35,105 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:23:35,105 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:23:35,105 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:23:35,106 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:35,106 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:23:35,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:23:35,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:23:35,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:23:35,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:23:35,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:23:35,106 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:23:35,107 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:23:35,107 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:23:35,107 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_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/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 -> 4f3a518e2178ada847d08214b3921c5447bcf5e7ad9d30e9f833babec7755c7f [2024-11-13 21:23:35,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:23:35,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:23:35,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:23:35,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:23:35,442 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:23:35,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_4+newton_2_1.i Unable to find full path for "g++" [2024-11-13 21:23:37,314 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:23:37,578 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:23:37,579 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i [2024-11-13 21:23:37,602 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/data/b64069a2a/6d5173f7c04e44b0931f6dc4a145dde6/FLAG9e8897c34 [2024-11-13 21:23:37,622 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/data/b64069a2a/6d5173f7c04e44b0931f6dc4a145dde6 [2024-11-13 21:23:37,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:23:37,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:23:37,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:23:37,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:23:37,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:23:37,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:23:37" (1/1) ... [2024-11-13 21:23:37,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3086cb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:37, skipping insertion in model container [2024-11-13 21:23:37,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:23:37" (1/1) ... [2024-11-13 21:23:37,647 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:23:37,792 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_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i[1224,1237] [2024-11-13 21:23:37,820 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_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i[2827,2840] [2024-11-13 21:23:37,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:23:37,833 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:23:37,843 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_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i[1224,1237] [2024-11-13 21:23:37,855 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_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i[2827,2840] [2024-11-13 21:23:37,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:23:37,873 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:23:37,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:37 WrapperNode [2024-11-13 21:23:37,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:23:37,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:23:37,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:23:37,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:23:37,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:37" (1/1) ... [2024-11-13 21:23:37,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:37" (1/1) ... [2024-11-13 21:23:37,906 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 75 [2024-11-13 21:23:37,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:23:37,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:23:37,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:23:37,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:23:37,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:37" (1/1) ... [2024-11-13 21:23:37,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:37" (1/1) ... [2024-11-13 21:23:37,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:37" (1/1) ... [2024-11-13 21:23:37,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:37" (1/1) ... [2024-11-13 21:23:37,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:37" (1/1) ... [2024-11-13 21:23:37,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:37" (1/1) ... [2024-11-13 21:23:37,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:37" (1/1) ... [2024-11-13 21:23:37,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:37" (1/1) ... [2024-11-13 21:23:37,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:23:37,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:23:37,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:23:37,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:23:37,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:37" (1/1) ... [2024-11-13 21:23:37,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:23:37,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:23:37,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:23:37,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:23:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:23:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:23:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 21:23:38,010 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 21:23:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 21:23:38,010 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 21:23:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:23:38,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:23:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:23:38,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:23:38,106 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:23:38,108 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:24:01,580 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 21:24:01,580 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:24:01,677 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:24:01,678 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:24:01,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:01 BoogieIcfgContainer [2024-11-13 21:24:01,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:24:01,679 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:24:01,679 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:24:01,688 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:24:01,688 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:01" (1/1) ... [2024-11-13 21:24:01,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:24:01,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:01,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-11-13 21:24:01,746 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-11-13 21:24:01,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:24:01,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:01,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:01,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:01,753 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:01,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:24:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:01,932 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:24:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:01,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:24:01,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:02,086 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 21:24:02,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:24:02,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:02,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2024-11-13 21:24:02,230 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-11-13 21:24:02,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:24:02,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:02,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:02,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:02,233 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:02,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:24:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:02,408 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:24:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:02,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:24:02,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:02,548 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 21:24:02,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:24:03,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:03,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2024-11-13 21:24:03,133 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-11-13 21:24:03,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:24:03,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:03,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:03,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:03,136 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:03,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:24:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:03,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:24:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:03,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:24:03,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:03,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:24:03,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 21:24:03,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:03,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2024-11-13 21:24:03,831 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-11-13 21:24:03,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:24:03,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:03,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:03,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:03,834 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:03,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:24:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:03,981 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:24:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:04,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:24:04,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:04,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:24:04,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 21:24:04,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:04,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2024-11-13 21:24:04,910 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-11-13 21:24:04,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:24:04,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:04,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:04,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:04,915 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:04,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:24:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:05,063 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:24:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:05,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:24:05,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:05,444 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:24:05,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:24:06,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:06,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2024-11-13 21:24:06,135 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2024-11-13 21:24:06,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:24:06,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:06,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:06,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:06,139 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:06,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:24:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:06,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:24:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:06,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:24:06,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:06,857 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:24:06,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:24:08,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:08,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2024-11-13 21:24:08,364 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2024-11-13 21:24:08,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:24:08,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:08,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:08,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:08,368 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:08,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:24:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:08,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:24:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:08,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:24:08,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:24:11,484 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:24:11,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:24:18,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:18,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 45 transitions. [2024-11-13 21:24:18,399 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-11-13 21:24:18,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:24:18,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:18,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:18,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:18,403 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:18,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdd5bc5f-d7d4-4537-aef2-4d229023cf7f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process