./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_2_2.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_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/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_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_2_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/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_1a3568f0-f28d-4f67-b016-503e2f9da7e5/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 71c49c4d50bf5964bc64c132ffffad0ac21b09eceea3ddcffdb7bfa5d4628635 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:11:01,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:11:01,468 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:11:01,473 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:11:01,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:11:01,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:11:01,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:11:01,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:11:01,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:11:01,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:11:01,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:11:01,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:11:01,513 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:11:01,514 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:11:01,514 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:11:01,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:11:01,514 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:11:01,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:11:01,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:11:01,514 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:11:01,514 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:11:01,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:11:01,514 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:11:01,515 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:11:01,515 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:11:01,515 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:11:01,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:11:01,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:11:01,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:11:01,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:11:01,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:11:01,516 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:11:01,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:11:01,516 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_1a3568f0-f28d-4f67-b016-503e2f9da7e5/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 -> 71c49c4d50bf5964bc64c132ffffad0ac21b09eceea3ddcffdb7bfa5d4628635 [2024-11-13 22:11:01,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:11:01,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:11:01,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:11:01,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:11:01,876 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:11:01,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_4+newton_2_2.i Unable to find full path for "g++" [2024-11-13 22:11:03,900 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:11:04,165 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:11:04,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/sv-benchmarks/c/combinations/gcd_4+newton_2_2.i [2024-11-13 22:11:04,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/data/69d761a0b/9dee4904d54045748d62d2458f0185d2/FLAG7b03b883b [2024-11-13 22:11:04,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/data/69d761a0b/9dee4904d54045748d62d2458f0185d2 [2024-11-13 22:11:04,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:11:04,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:11:04,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:11:04,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:11:04,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:11:04,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:11:04" (1/1) ... [2024-11-13 22:11:04,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320f6587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:04, skipping insertion in model container [2024-11-13 22:11:04,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:11:04" (1/1) ... [2024-11-13 22:11:04,220 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:11:04,442 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_1a3568f0-f28d-4f67-b016-503e2f9da7e5/sv-benchmarks/c/combinations/gcd_4+newton_2_2.i[1224,1237] [2024-11-13 22:11:04,490 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_1a3568f0-f28d-4f67-b016-503e2f9da7e5/sv-benchmarks/c/combinations/gcd_4+newton_2_2.i[2827,2840] [2024-11-13 22:11:04,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:11:04,508 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:11:04,531 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_1a3568f0-f28d-4f67-b016-503e2f9da7e5/sv-benchmarks/c/combinations/gcd_4+newton_2_2.i[1224,1237] [2024-11-13 22:11:04,554 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_1a3568f0-f28d-4f67-b016-503e2f9da7e5/sv-benchmarks/c/combinations/gcd_4+newton_2_2.i[2827,2840] [2024-11-13 22:11:04,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:11:04,577 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:11:04,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:04 WrapperNode [2024-11-13 22:11:04,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:11:04,579 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:11:04,579 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:11:04,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:11:04,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:04" (1/1) ... [2024-11-13 22:11:04,598 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:04" (1/1) ... [2024-11-13 22:11:04,627 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 78 [2024-11-13 22:11:04,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:11:04,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:11:04,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:11:04,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:11:04,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:04" (1/1) ... [2024-11-13 22:11:04,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:04" (1/1) ... [2024-11-13 22:11:04,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:04" (1/1) ... [2024-11-13 22:11:04,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:04" (1/1) ... [2024-11-13 22:11:04,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:04" (1/1) ... [2024-11-13 22:11:04,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:04" (1/1) ... [2024-11-13 22:11:04,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:04" (1/1) ... [2024-11-13 22:11:04,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:04" (1/1) ... [2024-11-13 22:11:04,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:11:04,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:11:04,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:11:04,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:11:04,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:04" (1/1) ... [2024-11-13 22:11:04,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:11:04,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:11:04,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:11:04,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:11:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:11:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 22:11:04,759 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 22:11:04,759 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 22:11:04,759 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 22:11:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:11:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:11:04,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:11:04,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:11:04,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:11:04,841 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:11:04,844 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:11:05,181 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 22:11:05,181 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:11:05,301 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:11:05,302 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:11:05,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:11:05 BoogieIcfgContainer [2024-11-13 22:11:05,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:11:05,304 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:11:05,304 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:11:05,316 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:11:05,316 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:11:05" (1/1) ... [2024-11-13 22:11:05,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:11:05,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:05,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-11-13 22:11:05,388 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-11-13 22:11:05,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:11:05,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:05,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:05,794 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 22:11:05,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:05,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2024-11-13 22:11:05,862 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-11-13 22:11:05,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:11:05,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:05,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:05,991 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 22:11:06,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:06,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2024-11-13 22:11:06,169 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-11-13 22:11:06,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:11:06,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:06,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:06,425 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 22:11:06,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:06,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2024-11-13 22:11:06,638 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2024-11-13 22:11:06,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:11:06,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:06,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:06,909 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 22:11:07,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:07,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2024-11-13 22:11:07,313 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2024-11-13 22:11:07,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:11:07,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:07,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:07,682 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 22:11:08,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:08,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2024-11-13 22:11:08,370 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2024-11-13 22:11:08,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:11:08,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:08,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:08,900 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 22:11:10,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:10,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2024-11-13 22:11:10,062 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2024-11-13 22:11:10,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:11:10,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:10,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:10,356 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 22:11:10,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:10,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2024-11-13 22:11:10,595 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2024-11-13 22:11:10,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:11:10,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:10,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:10,820 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 22:11:11,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:11,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 81 transitions. [2024-11-13 22:11:11,051 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 81 transitions. [2024-11-13 22:11:11,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:11:11,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:11,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:11,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:11:11,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:11,928 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 22:11:13,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:13,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2024-11-13 22:11:13,362 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2024-11-13 22:11:13,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:11:13,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:13,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:13,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:11:13,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:13,517 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 22:11:13,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:13,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 45 transitions. [2024-11-13 22:11:13,718 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-11-13 22:11:13,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:11:13,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:13,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:11:13,727 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:11:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:11:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:11:13,767 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:11:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:11:13,790 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2024-11-13 22:11:13,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:11:13 ImpRootNode [2024-11-13 22:11:13,823 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:11:13,824 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:11:13,824 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:11:13,824 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:11:13,825 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:11:05" (3/4) ... [2024-11-13 22:11:13,828 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:11:13,829 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:11:13,830 INFO L158 Benchmark]: Toolchain (without parser) took 9635.30ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 70.4MB in the end (delta: 22.5MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2024-11-13 22:11:13,832 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:11:13,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.72ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.7MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:11:13,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.72ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.3MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:11:13,834 INFO L158 Benchmark]: Boogie Preprocessor took 41.40ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.4MB in the end (delta: 898.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:11:13,834 INFO L158 Benchmark]: RCFGBuilder took 632.17ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 62.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:11:13,834 INFO L158 Benchmark]: CodeCheck took 8519.57ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 70.4MB in the end (delta: -8.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:11:13,835 INFO L158 Benchmark]: Witness Printer took 5.01ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 70.4MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:11:13,840 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: 8.5s, 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, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 98 SdHoareTripleChecker+Invalid, 2.9s 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, 1303 GetRequests, 1175 SyntacticMatches, 22 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5536 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.1s 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 102, overapproximation of someBinaryArithmeticFLOAToperation at line 92, overapproximation of someBinaryArithmeticFLOAToperation at line 100. Possible FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -0.4f && IN < 0.4f) [L82] COND FALSE !(!cond) [L98] RET assume_abort_if_not(IN > -0.4f && IN < 0.4f) [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 0.42ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.72ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.7MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.72ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.3MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.40ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.4MB in the end (delta: 898.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 632.17ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 62.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 8519.57ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 70.4MB in the end (delta: -8.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.01ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 70.4MB in the end (delta: 21.1kB). 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 22:11:13,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/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 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_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/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_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_2_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/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_1a3568f0-f28d-4f67-b016-503e2f9da7e5/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 71c49c4d50bf5964bc64c132ffffad0ac21b09eceea3ddcffdb7bfa5d4628635 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:11:16,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:11:17,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:11:17,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:11:17,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:11:17,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:11:17,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:11:17,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:11:17,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:11:17,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:11:17,106 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:11:17,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:11:17,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:11:17,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:11:17,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:11:17,108 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:11:17,108 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:11:17,109 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:11:17,109 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:11:17,109 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:11:17,109 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:11:17,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:11:17,110 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:11:17,110 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:11:17,110 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:11:17,110 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:11:17,110 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:17,111 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:11:17,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:11:17,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:11:17,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:11:17,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:11:17,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:11:17,111 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:11:17,112 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:17,112 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:11:17,112 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_1a3568f0-f28d-4f67-b016-503e2f9da7e5/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 -> 71c49c4d50bf5964bc64c132ffffad0ac21b09eceea3ddcffdb7bfa5d4628635 [2024-11-13 22:11:17,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:11:17,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:11:17,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:11:17,502 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:11:17,502 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:11:17,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_4+newton_2_2.i Unable to find full path for "g++" [2024-11-13 22:11:19,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:11:20,300 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:11:20,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/sv-benchmarks/c/combinations/gcd_4+newton_2_2.i [2024-11-13 22:11:20,317 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/data/44b275f0d/16f317a802a242c0a45be9023b2d015e/FLAG5f78a0bb1 [2024-11-13 22:11:20,581 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/data/44b275f0d/16f317a802a242c0a45be9023b2d015e [2024-11-13 22:11:20,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:11:20,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:11:20,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:11:20,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:11:20,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:11:20,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:11:20" (1/1) ... [2024-11-13 22:11:20,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c75951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:20, skipping insertion in model container [2024-11-13 22:11:20,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:11:20" (1/1) ... [2024-11-13 22:11:20,623 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:11:20,840 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_1a3568f0-f28d-4f67-b016-503e2f9da7e5/sv-benchmarks/c/combinations/gcd_4+newton_2_2.i[1224,1237] [2024-11-13 22:11:20,891 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_1a3568f0-f28d-4f67-b016-503e2f9da7e5/sv-benchmarks/c/combinations/gcd_4+newton_2_2.i[2827,2840] [2024-11-13 22:11:20,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:11:20,913 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:11:20,928 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_1a3568f0-f28d-4f67-b016-503e2f9da7e5/sv-benchmarks/c/combinations/gcd_4+newton_2_2.i[1224,1237] [2024-11-13 22:11:20,943 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_1a3568f0-f28d-4f67-b016-503e2f9da7e5/sv-benchmarks/c/combinations/gcd_4+newton_2_2.i[2827,2840] [2024-11-13 22:11:20,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:11:20,964 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:11:20,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:20 WrapperNode [2024-11-13 22:11:20,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:11:20,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:11:20,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:11:20,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:11:20,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:20" (1/1) ... [2024-11-13 22:11:20,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:20" (1/1) ... [2024-11-13 22:11:21,012 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 75 [2024-11-13 22:11:21,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:11:21,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:11:21,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:11:21,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:11:21,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:20" (1/1) ... [2024-11-13 22:11:21,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:20" (1/1) ... [2024-11-13 22:11:21,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:20" (1/1) ... [2024-11-13 22:11:21,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:20" (1/1) ... [2024-11-13 22:11:21,049 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:20" (1/1) ... [2024-11-13 22:11:21,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:20" (1/1) ... [2024-11-13 22:11:21,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:20" (1/1) ... [2024-11-13 22:11:21,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:20" (1/1) ... [2024-11-13 22:11:21,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:11:21,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:11:21,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:11:21,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:11:21,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:11:20" (1/1) ... [2024-11-13 22:11:21,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:11:21,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:11:21,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:11:21,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:11:21,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:11:21,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:11:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 22:11:21,158 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 22:11:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 22:11:21,158 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 22:11:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:11:21,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:11:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:11:21,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:11:21,241 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:11:21,245 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:11:46,316 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 22:11:46,316 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:11:46,391 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:11:46,392 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:11:46,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:11:46 BoogieIcfgContainer [2024-11-13 22:11:46,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:11:46,394 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:11:46,394 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:11:46,406 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:11:46,406 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:11:46" (1/1) ... [2024-11-13 22:11:46,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:11:46,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:46,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-11-13 22:11:46,476 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-11-13 22:11:46,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:11:46,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:46,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:46,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:46,484 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:46,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:11:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:46,744 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:46,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:11:46,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:46,924 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 22:11:46,927 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:11:46,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:11:47,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:47,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2024-11-13 22:11:47,098 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-11-13 22:11:47,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:11:47,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:47,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:47,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:47,101 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:47,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:11:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:47,297 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:47,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:11:47,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:47,469 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 22:11:47,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:11:48,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:48,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2024-11-13 22:11:48,114 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-11-13 22:11:48,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:11:48,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:48,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:48,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:48,117 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:48,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:11:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:48,292 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:48,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:11:48,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:48,467 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 22:11:48,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:11:48,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:48,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2024-11-13 22:11:48,888 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-11-13 22:11:48,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:11:48,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:48,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:48,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:48,894 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:48,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:11:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:49,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:49,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:11:49,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:49,452 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 22:11:49,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:11:50,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:50,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2024-11-13 22:11:50,158 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-11-13 22:11:50,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:11:50,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:50,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:50,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:50,164 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:50,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:11:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:50,389 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:50,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:11:50,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:50,823 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 22:11:50,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:11:51,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:51,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2024-11-13 22:11:51,622 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2024-11-13 22:11:51,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:11:51,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:51,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:51,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:51,630 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:51,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:11:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:51,810 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:51,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:11:51,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:52,469 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 22:11:52,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:11:54,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:54,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2024-11-13 22:11:54,021 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2024-11-13 22:11:54,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:11:54,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:54,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:54,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:54,025 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:54,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:11:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:54,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:54,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:11:54,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:57,569 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 22:11:57,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 22:12:05,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:05,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 45 transitions. [2024-11-13 22:12:05,423 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-11-13 22:12:05,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:12:05,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:05,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:12:05,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:12:05,427 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:12:05,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3568f0-f28d-4f67-b016-503e2f9da7e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process