./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_3_7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/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_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_3_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/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_93b5c67f-4560-4c19-8228-2da3b904142a/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 87bc0d62bd0ac2c8f0b3bcd924815b04302ef88419a4b535524b284cb471b329 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:07:42,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:07:42,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:07:42,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:07:42,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:07:42,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:07:42,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:07:42,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:07:42,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:07:42,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:07:42,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:07:42,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:07:42,675 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:07:42,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:07:42,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:07:42,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:07:42,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:07:42,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:07:42,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:07:42,676 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:07:42,677 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:07:42,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:07:42,677 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:07:42,677 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:07:42,677 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:07:42,677 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:07:42,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:07:42,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:42,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:07:42,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:07:42,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:07:42,678 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:07:42,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:07:42,679 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_93b5c67f-4560-4c19-8228-2da3b904142a/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 -> 87bc0d62bd0ac2c8f0b3bcd924815b04302ef88419a4b535524b284cb471b329 [2024-11-13 21:07:43,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:07:43,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:07:43,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:07:43,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:07:43,030 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:07:43,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_4+newton_3_7.i Unable to find full path for "g++" [2024-11-13 21:07:45,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:07:45,255 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:07:45,255 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i [2024-11-13 21:07:45,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/data/761becdb9/4df8fe76f8184a8da432c37f2393b854/FLAG57badd86c [2024-11-13 21:07:45,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/data/761becdb9/4df8fe76f8184a8da432c37f2393b854 [2024-11-13 21:07:45,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:07:45,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:07:45,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:45,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:07:45,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:07:45,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:45" (1/1) ... [2024-11-13 21:07:45,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366c33f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:45, skipping insertion in model container [2024-11-13 21:07:45,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:45" (1/1) ... [2024-11-13 21:07:45,328 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:07:45,484 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_93b5c67f-4560-4c19-8228-2da3b904142a/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[1224,1237] [2024-11-13 21:07:45,512 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_93b5c67f-4560-4c19-8228-2da3b904142a/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[2848,2861] [2024-11-13 21:07:45,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:45,523 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:07:45,535 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_93b5c67f-4560-4c19-8228-2da3b904142a/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[1224,1237] [2024-11-13 21:07:45,547 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_93b5c67f-4560-4c19-8228-2da3b904142a/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[2848,2861] [2024-11-13 21:07:45,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:45,564 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:07:45,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:45 WrapperNode [2024-11-13 21:07:45,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:45,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:45,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:07:45,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:07:45,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:45" (1/1) ... [2024-11-13 21:07:45,585 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:45" (1/1) ... [2024-11-13 21:07:45,610 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 83 [2024-11-13 21:07:45,611 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:45,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:07:45,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:07:45,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:07:45,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:45" (1/1) ... [2024-11-13 21:07:45,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:45" (1/1) ... [2024-11-13 21:07:45,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:45" (1/1) ... [2024-11-13 21:07:45,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:45" (1/1) ... [2024-11-13 21:07:45,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:45" (1/1) ... [2024-11-13 21:07:45,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:45" (1/1) ... [2024-11-13 21:07:45,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:45" (1/1) ... [2024-11-13 21:07:45,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:45" (1/1) ... [2024-11-13 21:07:45,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:07:45,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:07:45,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:07:45,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:07:45,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:45" (1/1) ... [2024-11-13 21:07:45,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:45,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:07:45,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:07:45,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:07:45,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:07:45,725 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 21:07:45,725 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 21:07:45,725 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 21:07:45,725 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 21:07:45,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:07:45,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:07:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:07:45,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:07:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:07:45,797 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:07:45,799 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:07:46,036 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 21:07:46,036 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:07:46,134 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:07:46,134 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:07:46,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:46 BoogieIcfgContainer [2024-11-13 21:07:46,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:07:46,135 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:07:46,136 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:07:46,152 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:07:46,152 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:46" (1/1) ... [2024-11-13 21:07:46,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:07:46,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:46,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2024-11-13 21:07:46,228 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-11-13 21:07:46,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:07:46,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:46,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:46,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:46,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:46,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-11-13 21:07:46,633 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-13 21:07:46,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:07:46,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:46,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:46,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:46,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:46,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2024-11-13 21:07:46,880 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-11-13 21:07:46,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:07:46,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:46,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:47,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:47,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:47,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2024-11-13 21:07:47,326 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2024-11-13 21:07:47,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:07:47,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:47,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:47,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:47,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:47,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2024-11-13 21:07:47,958 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2024-11-13 21:07:47,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:07:47,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:47,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:48,269 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:48,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:48,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-11-13 21:07:48,864 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-11-13 21:07:48,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:07:48,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:48,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:49,309 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:50,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:50,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2024-11-13 21:07:50,270 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2024-11-13 21:07:50,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:07:50,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:50,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:50,509 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:50,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:50,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2024-11-13 21:07:50,710 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2024-11-13 21:07:50,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:07:50,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:50,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:50,960 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:51,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:51,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 48 states and 86 transitions. [2024-11-13 21:07:51,167 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2024-11-13 21:07:51,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:07:51,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:51,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:07:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:51,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:07:51,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:51,947 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:53,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:53,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-11-13 21:07:53,270 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-11-13 21:07:53,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:07:53,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:53,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:07:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:53,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:07:53,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:53,433 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:53,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:53,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2024-11-13 21:07:53,602 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2024-11-13 21:07:53,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:07:53,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:53,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:07:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:53,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:07:53,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:54,290 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:56,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:56,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 49 transitions. [2024-11-13 21:07:56,840 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-11-13 21:07:56,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:07:56,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:56,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:56,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:07:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:56,903 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:07:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:56,935 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2024-11-13 21:07:56,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:07:56 ImpRootNode [2024-11-13 21:07:56,961 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:07:56,962 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:07:56,962 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:07:56,962 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:07:56,963 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:46" (3/4) ... [2024-11-13 21:07:56,965 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:07:56,966 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:07:56,967 INFO L158 Benchmark]: Toolchain (without parser) took 11673.66ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 92.3MB in the beginning and 69.6MB in the end (delta: 22.7MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2024-11-13 21:07:56,968 INFO L158 Benchmark]: CDTParser took 1.59ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:56,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.03ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 80.2MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:07:56,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.75ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:56,969 INFO L158 Benchmark]: Boogie Preprocessor took 42.18ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 78.1MB in the end (delta: 935.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:07:56,970 INFO L158 Benchmark]: RCFGBuilder took 480.80ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 61.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:07:56,971 INFO L158 Benchmark]: CodeCheck took 10825.42ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 61.3MB in the beginning and 71.1MB in the end (delta: -9.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-13 21:07:56,971 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 151.0MB. Free memory was 69.7MB in the beginning and 69.6MB in the end (delta: 18.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:56,977 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, 34 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 10.8s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 362 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 118 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 616 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1755 IncrementalHoareTripleChecker+Invalid, 2371 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 616 mSolverCounterUnsat, 118 mSDtfsCounter, 1755 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1505 GetRequests, 1329 SyntacticMatches, 22 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11521 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 682 SizeOfPredicates, 6 NumberOfNonLiveVariables, 231 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 2/87 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 104, overapproximation of someBinaryArithmeticFLOAToperation at line 92, overapproximation of someBinaryArithmeticFLOAToperation at line 102. Possible FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -1.4f && IN < 1.4f) [L82] COND FALSE !(!cond) [L98] RET assume_abort_if_not(IN > -1.4f && IN < 1.4f) [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) [L104] CALL, EXPR f(x) VAL [\old(x)=4] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L104] RET, EXPR f(x) VAL [IN=2, x=4] [L104] CALL, EXPR fp(x) VAL [\old(x)=4] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L104] RET, EXPR fp(x) VAL [IN=2, x=4] [L104] 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 1.59ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.03ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 80.2MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.75ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.18ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 78.1MB in the end (delta: 935.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 480.80ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 61.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10825.42ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 61.3MB in the beginning and 71.1MB in the end (delta: -9.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 151.0MB. Free memory was 69.7MB in the beginning and 69.6MB in the end (delta: 18.1kB). 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 21:07:57,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/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_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_3_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/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_93b5c67f-4560-4c19-8228-2da3b904142a/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 87bc0d62bd0ac2c8f0b3bcd924815b04302ef88419a4b535524b284cb471b329 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:07:59,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:07:59,725 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:07:59,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:07:59,784 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:07:59,784 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:07:59,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:07:59,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:07:59,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:07:59,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:07:59,789 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:07:59,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:07:59,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:07:59,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:07:59,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:07:59,790 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:07:59,790 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:07:59,790 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:07:59,790 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:07:59,790 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:07:59,790 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:07:59,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:07:59,790 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:07:59,791 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:07:59,791 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:07:59,791 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:07:59,791 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:59,791 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:07:59,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:07:59,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:59,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:07:59,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:07:59,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:07:59,792 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:07:59,792 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:59,792 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:07:59,792 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_93b5c67f-4560-4c19-8228-2da3b904142a/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 -> 87bc0d62bd0ac2c8f0b3bcd924815b04302ef88419a4b535524b284cb471b329 [2024-11-13 21:08:00,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:08:00,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:08:00,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:08:00,144 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:08:00,145 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:08:00,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_4+newton_3_7.i Unable to find full path for "g++" [2024-11-13 21:08:02,052 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:08:02,356 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:08:02,361 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i [2024-11-13 21:08:02,377 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/data/ce3d7b4d4/2557fd6ae88244d185e3c36851080f1a/FLAGe23c29d8c [2024-11-13 21:08:02,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/data/ce3d7b4d4/2557fd6ae88244d185e3c36851080f1a [2024-11-13 21:08:02,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:08:02,407 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:08:02,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:08:02,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:08:02,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:08:02,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524f5ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02, skipping insertion in model container [2024-11-13 21:08:02,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,433 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:08:02,621 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_93b5c67f-4560-4c19-8228-2da3b904142a/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[1224,1237] [2024-11-13 21:08:02,671 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_93b5c67f-4560-4c19-8228-2da3b904142a/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[2848,2861] [2024-11-13 21:08:02,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:08:02,692 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:08:02,707 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_93b5c67f-4560-4c19-8228-2da3b904142a/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[1224,1237] [2024-11-13 21:08:02,731 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_93b5c67f-4560-4c19-8228-2da3b904142a/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[2848,2861] [2024-11-13 21:08:02,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:08:02,754 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:08:02,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02 WrapperNode [2024-11-13 21:08:02,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:08:02,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:02,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:08:02,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:08:02,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,814 INFO L138 Inliner]: procedures = 28, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 80 [2024-11-13 21:08:02,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:02,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:08:02,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:08:02,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:08:02,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,860 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:08:02,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:08:02,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:08:02,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:08:02,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:02" (1/1) ... [2024-11-13 21:08:02,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:08:02,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:08:02,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:08:02,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:08:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:08:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:08:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 21:08:02,948 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 21:08:02,948 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 21:08:02,948 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 21:08:02,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:08:02,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:08:02,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:08:02,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:08:03,048 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:08:03,051 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:08:22,782 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 21:08:22,782 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:08:22,934 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:08:22,936 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:08:22,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:22 BoogieIcfgContainer [2024-11-13 21:08:22,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:08:22,938 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:08:22,938 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:08:22,948 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:08:22,949 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:22" (1/1) ... [2024-11-13 21:08:22,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:08:23,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:23,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2024-11-13 21:08:23,033 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-11-13 21:08:23,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:08:23,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:23,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:23,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:23,042 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:23,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:08:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:23,303 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:23,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:08:23,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:23,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:23,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:08:23,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:23,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-11-13 21:08:23,684 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-13 21:08:23,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:08:23,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:23,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:23,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:23,689 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:23,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:08:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:23,954 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:24,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:08:24,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:24,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:24,124 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:08:24,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:08:24,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:24,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2024-11-13 21:08:24,803 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-11-13 21:08:24,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:08:24,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:24,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:24,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:24,807 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:24,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:08:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:25,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:25,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:08:25,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:25,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:25,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:08:25,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:25,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 48 transitions. [2024-11-13 21:08:25,650 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2024-11-13 21:08:25,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:08:25,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:25,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:25,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:25,654 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:25,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:08:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:25,850 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:25,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:08:25,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:26,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:26,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 21:08:26,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:26,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2024-11-13 21:08:26,903 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-13 21:08:26,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:08:26,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:26,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:26,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:26,907 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:26,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:08:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:27,078 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:27,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:08:27,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:27,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:27,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 21:08:28,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:28,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 52 transitions. [2024-11-13 21:08:28,253 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2024-11-13 21:08:28,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:08:28,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:28,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:28,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:28,257 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:28,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:08:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:28,432 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:28,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:08:28,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:29,055 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:29,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:08:30,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:30,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 58 transitions. [2024-11-13 21:08:30,818 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2024-11-13 21:08:30,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:08:30,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:30,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:30,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:30,822 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:30,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:08:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:31,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:31,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:08:31,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:34,296 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:34,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 21:08:42,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:42,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2024-11-13 21:08:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2024-11-13 21:08:42,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:08:42,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:42,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:42,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:42,013 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:42,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:08:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:42,326 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:42,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:08:42,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:47,924 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:47,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:09:04,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:09:04,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 52 transitions. [2024-11-13 21:09:04,376 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2024-11-13 21:09:04,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:09:04,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:09:04,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:09:04,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:09:04,382 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:09:04,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93b5c67f-4560-4c19-8228-2da3b904142a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process