./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_2_8.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_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/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_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_2_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/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_2201af0d-cd00-429b-9f48-577a10b8908e/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 131b2ae9424ecd75292a5889f04853eea3cca0c3e4c679243c4666d6f4003ffe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:50:54,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:50:54,242 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:50:54,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:50:54,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:50:54,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:50:54,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:50:54,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:50:54,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:50:54,285 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:50:54,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:50:54,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:50:54,286 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:50:54,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:50:54,286 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:50:54,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:50:54,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:50:54,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:50:54,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:50:54,286 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:50:54,286 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:50:54,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:50:54,287 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:50:54,287 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:50:54,287 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:50:54,287 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:50:54,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:50:54,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:50:54,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:50:54,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:50:54,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:50:54,288 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:50:54,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:50:54,288 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_2201af0d-cd00-429b-9f48-577a10b8908e/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 -> 131b2ae9424ecd75292a5889f04853eea3cca0c3e4c679243c4666d6f4003ffe [2024-11-13 20:50:54,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:50:54,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:50:54,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:50:54,658 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:50:54,658 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:50:54,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_4+newton_2_8.i Unable to find full path for "g++" [2024-11-13 20:50:56,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:50:56,862 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:50:56,872 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i [2024-11-13 20:50:56,886 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/data/e521f0751/9e86726de8d34886a2abf010fbc008fd/FLAGa9eddcc18 [2024-11-13 20:50:57,151 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/data/e521f0751/9e86726de8d34886a2abf010fbc008fd [2024-11-13 20:50:57,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:50:57,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:50:57,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:50:57,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:50:57,162 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:50:57,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:57" (1/1) ... [2024-11-13 20:50:57,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32868294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:57, skipping insertion in model container [2024-11-13 20:50:57,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:57" (1/1) ... [2024-11-13 20:50:57,181 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:50:57,362 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_2201af0d-cd00-429b-9f48-577a10b8908e/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i[1224,1237] [2024-11-13 20:50:57,407 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_2201af0d-cd00-429b-9f48-577a10b8908e/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i[2827,2840] [2024-11-13 20:50:57,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:50:57,423 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:50:57,437 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_2201af0d-cd00-429b-9f48-577a10b8908e/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i[1224,1237] [2024-11-13 20:50:57,457 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_2201af0d-cd00-429b-9f48-577a10b8908e/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i[2827,2840] [2024-11-13 20:50:57,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:50:57,488 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:50:57,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:57 WrapperNode [2024-11-13 20:50:57,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:50:57,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:50:57,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:50:57,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:50:57,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:57" (1/1) ... [2024-11-13 20:50:57,509 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:57" (1/1) ... [2024-11-13 20:50:57,533 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 78 [2024-11-13 20:50:57,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:50:57,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:50:57,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:50:57,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:50:57,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:57" (1/1) ... [2024-11-13 20:50:57,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:57" (1/1) ... [2024-11-13 20:50:57,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:57" (1/1) ... [2024-11-13 20:50:57,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:57" (1/1) ... [2024-11-13 20:50:57,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:57" (1/1) ... [2024-11-13 20:50:57,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:57" (1/1) ... [2024-11-13 20:50:57,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:57" (1/1) ... [2024-11-13 20:50:57,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:57" (1/1) ... [2024-11-13 20:50:57,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:50:57,577 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:50:57,580 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:50:57,580 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:50:57,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:57" (1/1) ... [2024-11-13 20:50:57,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:50:57,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:50:57,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:50:57,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:50:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:50:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 20:50:57,658 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 20:50:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 20:50:57,658 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 20:50:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:50:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:50:57,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:50:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:50:57,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:50:57,738 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:50:57,740 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:50:58,009 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 20:50:58,009 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:50:58,109 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:50:58,109 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:50:58,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:58 BoogieIcfgContainer [2024-11-13 20:50:58,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:50:58,112 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:50:58,113 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:50:58,123 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:50:58,124 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:58" (1/1) ... [2024-11-13 20:50:58,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:50:58,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:58,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-11-13 20:50:58,202 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-11-13 20:50:58,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:50:58,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:58,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:58,535 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 20:50:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:58,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2024-11-13 20:50:58,596 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-11-13 20:50:58,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:50:58,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:58,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:58,711 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 20:50:58,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:58,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2024-11-13 20:50:58,883 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-11-13 20:50:58,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:50:58,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:58,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:59,156 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 20:50:59,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:59,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2024-11-13 20:50:59,375 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2024-11-13 20:50:59,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:50:59,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:59,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:59,649 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 20:50:59,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:59,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2024-11-13 20:50:59,975 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2024-11-13 20:50:59,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:50:59,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:59,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:00,338 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 20:51:00,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:00,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2024-11-13 20:51:00,957 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2024-11-13 20:51:00,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:51:00,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:00,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:01,442 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 20:51:02,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:02,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2024-11-13 20:51:02,489 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2024-11-13 20:51:02,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:51:02,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:02,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:02,707 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 20:51:02,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:02,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2024-11-13 20:51:02,916 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2024-11-13 20:51:02,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:51:02,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:02,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:03,110 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 20:51:03,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:03,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 81 transitions. [2024-11-13 20:51:03,317 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 81 transitions. [2024-11-13 20:51:03,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:51:03,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:03,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:51:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:03,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 20:51:03,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:04,057 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 20:51:05,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:05,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 99 transitions. [2024-11-13 20:51:05,253 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 99 transitions. [2024-11-13 20:51:05,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:51:05,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:05,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:51:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:05,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 20:51:05,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:05,388 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 20:51:05,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:05,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 45 transitions. [2024-11-13 20:51:05,659 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-11-13 20:51:05,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 20:51:05,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:05,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:05,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:51:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:05,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:51:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:05,722 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2024-11-13 20:51:05,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:51:05 ImpRootNode [2024-11-13 20:51:05,746 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:51:05,747 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:51:05,747 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:51:05,751 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:51:05,752 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:58" (3/4) ... [2024-11-13 20:51:05,754 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:51:05,755 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:51:05,756 INFO L158 Benchmark]: Toolchain (without parser) took 8600.62ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.5MB in the beginning and 134.6MB in the end (delta: -40.1MB). Peak memory consumption was 189.9MB. Max. memory is 16.1GB. [2024-11-13 20:51:05,758 INFO L158 Benchmark]: CDTParser took 1.12ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:05,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.42ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 82.4MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:51:05,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.25ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:05,760 INFO L158 Benchmark]: Boogie Preprocessor took 39.53ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:05,761 INFO L158 Benchmark]: RCFGBuilder took 534.95ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 63.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:51:05,761 INFO L158 Benchmark]: CodeCheck took 7633.87ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 63.3MB in the beginning and 134.6MB in the end (delta: -71.3MB). Peak memory consumption was 164.8MB. Max. memory is 16.1GB. [2024-11-13 20:51:05,763 INFO L158 Benchmark]: Witness Printer took 8.41ms. Allocated memory is still 352.3MB. Free memory was 134.6MB in the beginning and 134.6MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:05,767 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: 7.6s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 309 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 98 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 470 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1373 IncrementalHoareTripleChecker+Invalid, 1843 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 470 mSolverCounterUnsat, 98 mSDtfsCounter, 1373 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1255 GetRequests, 1127 SyntacticMatches, 22 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5526 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s 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 100, overapproximation of someBinaryArithmeticFLOAToperation at line 102, overapproximation of someBinaryArithmeticFLOAToperation at line 92. Possible FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L82] COND FALSE !(!cond) [L98] RET assume_abort_if_not(IN > -2.0f && IN < 2.0f) [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 1.12ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.42ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 82.4MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.25ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.53ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 534.95ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 63.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 7633.87ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 63.3MB in the beginning and 134.6MB in the end (delta: -71.3MB). Peak memory consumption was 164.8MB. Max. memory is 16.1GB. * Witness Printer took 8.41ms. Allocated memory is still 352.3MB. Free memory was 134.6MB in the beginning and 134.6MB in the end (delta: 72.0kB). 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 20:51:05,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/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_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/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_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_2_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/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_2201af0d-cd00-429b-9f48-577a10b8908e/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 131b2ae9424ecd75292a5889f04853eea3cca0c3e4c679243c4666d6f4003ffe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:51:08,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:51:08,502 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:51:08,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:51:08,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:51:08,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:51:08,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:51:08,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:51:08,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:51:08,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:51:08,573 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:51:08,573 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:51:08,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:51:08,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:51:08,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:51:08,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:51:08,573 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:51:08,574 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:51:08,574 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:51:08,574 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:51:08,576 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:51:08,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:51:08,577 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:51:08,578 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:51:08,578 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:51:08,578 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:51:08,578 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:08,578 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:51:08,578 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:51:08,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:51:08,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:51:08,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:51:08,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:51:08,580 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:51:08,580 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:08,581 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:51:08,581 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_2201af0d-cd00-429b-9f48-577a10b8908e/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 -> 131b2ae9424ecd75292a5889f04853eea3cca0c3e4c679243c4666d6f4003ffe [2024-11-13 20:51:08,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:51:08,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:51:08,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:51:08,952 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:51:08,952 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:51:08,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_4+newton_2_8.i Unable to find full path for "g++" [2024-11-13 20:51:11,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:51:11,232 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:51:11,239 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i [2024-11-13 20:51:11,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/data/5abc596ec/866d913980ba46fc8355d5a891090dce/FLAG50c735ecb [2024-11-13 20:51:11,289 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/data/5abc596ec/866d913980ba46fc8355d5a891090dce [2024-11-13 20:51:11,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:51:11,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:51:11,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:51:11,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:51:11,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:51:11,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:51:11" (1/1) ... [2024-11-13 20:51:11,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d392619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:11, skipping insertion in model container [2024-11-13 20:51:11,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:51:11" (1/1) ... [2024-11-13 20:51:11,324 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:51:11,500 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_2201af0d-cd00-429b-9f48-577a10b8908e/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i[1224,1237] [2024-11-13 20:51:11,543 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_2201af0d-cd00-429b-9f48-577a10b8908e/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i[2827,2840] [2024-11-13 20:51:11,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:11,567 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:51:11,583 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_2201af0d-cd00-429b-9f48-577a10b8908e/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i[1224,1237] [2024-11-13 20:51:11,609 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_2201af0d-cd00-429b-9f48-577a10b8908e/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i[2827,2840] [2024-11-13 20:51:11,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:11,628 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:51:11,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:11 WrapperNode [2024-11-13 20:51:11,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:51:11,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:11,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:51:11,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:51:11,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:11" (1/1) ... [2024-11-13 20:51:11,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:11" (1/1) ... [2024-11-13 20:51:11,681 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 75 [2024-11-13 20:51:11,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:11,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:51:11,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:51:11,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:51:11,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:11" (1/1) ... [2024-11-13 20:51:11,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:11" (1/1) ... [2024-11-13 20:51:11,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:11" (1/1) ... [2024-11-13 20:51:11,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:11" (1/1) ... [2024-11-13 20:51:11,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:11" (1/1) ... [2024-11-13 20:51:11,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:11" (1/1) ... [2024-11-13 20:51:11,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:11" (1/1) ... [2024-11-13 20:51:11,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:11" (1/1) ... [2024-11-13 20:51:11,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:51:11,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:51:11,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:51:11,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:51:11,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:11" (1/1) ... [2024-11-13 20:51:11,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:51:11,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:51:11,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:51:11,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:51:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:51:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:51:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 20:51:11,804 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 20:51:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 20:51:11,804 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 20:51:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:51:11,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:51:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:51:11,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:51:11,877 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:51:11,879 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:51:30,930 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 20:51:30,930 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:51:31,028 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:51:31,031 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:51:31,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:31 BoogieIcfgContainer [2024-11-13 20:51:31,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:51:31,033 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:51:31,033 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:51:31,044 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:51:31,045 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:31" (1/1) ... [2024-11-13 20:51:31,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:51:31,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:31,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-11-13 20:51:31,117 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-11-13 20:51:31,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:51:31,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:31,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:31,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:31,125 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:31,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:51:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:31,282 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:31,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:51:31,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:31,434 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 20:51:31,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:51:31,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:31,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2024-11-13 20:51:31,578 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-11-13 20:51:31,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:51:31,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:31,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:31,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:31,581 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:31,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:51:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:31,780 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:31,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:51:31,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:31,938 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 20:51:31,940 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:51:31,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:51:32,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:32,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2024-11-13 20:51:32,567 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-11-13 20:51:32,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:51:32,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:32,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:32,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:32,573 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:32,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:51:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:32,741 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:32,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:51:32,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:32,886 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 20:51:32,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 20:51:33,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:33,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2024-11-13 20:51:33,275 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-11-13 20:51:33,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:51:33,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:33,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:33,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:33,278 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:33,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 20:51:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:33,457 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:33,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 20:51:33,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:33,778 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 20:51:33,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 20:51:34,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:34,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2024-11-13 20:51:34,416 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-11-13 20:51:34,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:51:34,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:34,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:34,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:34,419 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:34,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 20:51:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:34,617 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:34,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:51:34,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:34,995 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 20:51:34,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 20:51:35,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:35,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2024-11-13 20:51:35,775 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2024-11-13 20:51:35,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:51:35,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:35,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:35,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:35,778 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:35,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 20:51:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:35,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:35,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 20:51:35,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:36,500 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 20:51:36,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 20:51:37,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:37,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2024-11-13 20:51:37,904 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2024-11-13 20:51:37,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:51:37,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:37,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:37,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:37,910 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:37,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 20:51:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:38,101 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:38,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:51:38,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:41,261 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 20:51:41,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 20:51:48,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:48,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 45 transitions. [2024-11-13 20:51:48,610 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-11-13 20:51:48,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 20:51:48,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:48,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:48,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:48,615 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:48,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2201af0d-cd00-429b-9f48-577a10b8908e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process