./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/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_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b --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-d790fec [2024-12-05 22:20:51,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:20:51,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:20:51,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:20:51,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:20:51,521 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:20:51,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:20:51,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:20:51,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:20:51,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:20:51,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:20:51,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:20:51,523 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:20:51,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:20:51,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:20:51,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:20:51,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:20:51,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:20:51,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:20:51,523 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:20:51,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:20:51,523 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:20:51,524 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:20:51,524 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:20:51,524 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:20:51,524 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:20:51,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:20:51,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:20:51,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:20:51,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:20:51,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:20:51,525 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:20:51,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:20:51,525 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_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-05 22:20:51,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:20:51,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:20:51,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:20:51,740 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:20:51,740 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:20:51,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_4+newton_3_7.i [2024-12-05 22:20:54,347 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/data/002fe3e55/0bf843c1c8f0439eb6ba42a41a55f3e6/FLAGd655c108d [2024-12-05 22:20:54,551 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:20:54,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i [2024-12-05 22:20:54,556 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/data/002fe3e55/0bf843c1c8f0439eb6ba42a41a55f3e6/FLAGd655c108d [2024-12-05 22:20:54,925 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/data/002fe3e55/0bf843c1c8f0439eb6ba42a41a55f3e6 [2024-12-05 22:20:54,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:20:54,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:20:54,929 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:20:54,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:20:54,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:20:54,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:20:54" (1/1) ... [2024-12-05 22:20:54,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49242aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:20:54, skipping insertion in model container [2024-12-05 22:20:54,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:20:54" (1/1) ... [2024-12-05 22:20:54,948 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:20:55,079 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_fd34cbbc-a946-4d4f-8134-16e88013d8c5/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[1224,1237] [2024-12-05 22:20:55,105 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_fd34cbbc-a946-4d4f-8134-16e88013d8c5/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[2848,2861] [2024-12-05 22:20:55,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:20:55,114 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:20:55,125 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_fd34cbbc-a946-4d4f-8134-16e88013d8c5/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[1224,1237] [2024-12-05 22:20:55,133 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_fd34cbbc-a946-4d4f-8134-16e88013d8c5/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[2848,2861] [2024-12-05 22:20:55,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:20:55,144 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:20:55,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:20:55 WrapperNode [2024-12-05 22:20:55,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:20:55,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:20:55,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:20:55,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:20:55,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:20:55" (1/1) ... [2024-12-05 22:20:55,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:20:55" (1/1) ... [2024-12-05 22:20:55,170 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 83 [2024-12-05 22:20:55,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:20:55,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:20:55,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:20:55,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:20:55,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:20:55" (1/1) ... [2024-12-05 22:20:55,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:20:55" (1/1) ... [2024-12-05 22:20:55,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:20:55" (1/1) ... [2024-12-05 22:20:55,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:20:55" (1/1) ... [2024-12-05 22:20:55,182 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:20:55" (1/1) ... [2024-12-05 22:20:55,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:20:55" (1/1) ... [2024-12-05 22:20:55,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:20:55" (1/1) ... [2024-12-05 22:20:55,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:20:55" (1/1) ... [2024-12-05 22:20:55,188 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:20:55" (1/1) ... [2024-12-05 22:20:55,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:20:55,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:20:55,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:20:55,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:20:55,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:20:55" (1/1) ... [2024-12-05 22:20:55,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:20:55,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:20:55,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:20:55,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:20:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:20:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-05 22:20:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-05 22:20:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-05 22:20:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-05 22:20:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:20:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:20:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:20:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:20:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:20:55,305 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:20:55,307 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:20:55,487 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-12-05 22:20:55,487 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:20:55,535 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:20:55,536 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:20:55,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:20:55 BoogieIcfgContainer [2024-12-05 22:20:55,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:20:55,537 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:20:55,537 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:20:55,547 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:20:55,547 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:20:55" (1/1) ... [2024-12-05 22:20:55,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:20:55,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:55,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2024-12-05 22:20:55,606 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-12-05 22:20:55,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:20:55,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:55,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:20:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:20:55,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:55,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-12-05 22:20:55,869 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-12-05 22:20:55,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:20:55,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:55,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:20:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:20:56,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:56,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2024-12-05 22:20:56,036 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-12-05 22:20:56,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:20:56,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:56,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:20:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:20:56,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:56,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2024-12-05 22:20:56,330 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2024-12-05 22:20:56,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:20:56,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:56,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:20:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:56,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:20:56,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:56,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2024-12-05 22:20:56,723 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2024-12-05 22:20:56,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:20:56,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:56,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:20:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:20:57,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:57,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-12-05 22:20:57,340 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-12-05 22:20:57,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:20:57,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:57,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:20:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:57,603 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:20:58,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:58,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2024-12-05 22:20:58,302 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2024-12-05 22:20:58,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:20:58,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:58,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:20:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:58,435 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:20:58,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:58,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2024-12-05 22:20:58,589 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2024-12-05 22:20:58,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:20:58,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:58,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:20:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:58,704 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:20:58,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:58,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 48 states and 86 transitions. [2024-12-05 22:20:58,860 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2024-12-05 22:20:58,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:20:58,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:58,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:20:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:20:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:58,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 22:20:58,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:20:59,391 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:21:00,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:00,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 104 transitions. [2024-12-05 22:21:00,296 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2024-12-05 22:21:00,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:21:00,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:00,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:21:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:21:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:00,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 22:21:00,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:00,422 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:21:00,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:00,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2024-12-05 22:21:00,630 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2024-12-05 22:21:00,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 22:21:00,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:00,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:21:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:21:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:00,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 22:21:00,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:01,208 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:21:02,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:02,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 49 transitions. [2024-12-05 22:21:02,861 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-12-05 22:21:02,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 22:21:02,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:02,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:21:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:21:02,869 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:21:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:21:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:21:02,901 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:21:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:21:02,924 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2024-12-05 22:21:02,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:21:02 ImpRootNode [2024-12-05 22:21:02,947 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:21:02,947 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:21:02,947 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:21:02,947 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:21:02,948 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:20:55" (3/4) ... [2024-12-05 22:21:02,950 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:21:02,950 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:21:02,951 INFO L158 Benchmark]: Toolchain (without parser) took 8023.02ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 117.0MB in the beginning and 125.0MB in the end (delta: -8.0MB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. [2024-12-05 22:21:02,952 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:21:02,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.61ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 104.9MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:21:02,952 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.92ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:21:02,952 INFO L158 Benchmark]: Boogie Preprocessor took 19.01ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.5MB in the end (delta: 976.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:21:02,953 INFO L158 Benchmark]: RCFGBuilder took 345.81ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 85.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:21:02,953 INFO L158 Benchmark]: CodeCheck took 7409.89ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 85.2MB in the beginning and 125.0MB in the end (delta: -39.8MB). Peak memory consumption was 98.5MB. Max. memory is 16.1GB. [2024-12-05 22:21:02,954 INFO L158 Benchmark]: Witness Printer took 3.36ms. Allocated memory is still 285.2MB. Free memory was 125.0MB in the beginning and 125.0MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:21:02,956 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: 7.4s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 361 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 118 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 608 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1744 IncrementalHoareTripleChecker+Invalid, 2352 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 608 mSolverCounterUnsat, 118 mSDtfsCounter, 1744 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1459 GetRequests, 1283 SyntacticMatches, 22 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11511 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s 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, ConComCheckerStatistics: 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 102, overapproximation of someBinaryArithmeticFLOAToperation at line 104, overapproximation of someBinaryArithmeticFLOAToperation at line 87, overapproximation of someBinaryArithmeticFLOAToperation at line 92, overapproximation of someBinaryArithmeticFLOAToperation at line 100. Possible FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -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 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.61ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 104.9MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.92ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.01ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.5MB in the end (delta: 976.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 345.81ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 85.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 7409.89ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 85.2MB in the beginning and 125.0MB in the end (delta: -39.8MB). Peak memory consumption was 98.5MB. Max. memory is 16.1GB. * Witness Printer took 3.36ms. Allocated memory is still 285.2MB. Free memory was 125.0MB in the beginning and 125.0MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:21:02,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/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_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/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_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b --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-d790fec [2024-12-05 22:21:04,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:21:04,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:21:05,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:21:05,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:21:05,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:21:05,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:21:05,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:21:05,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:21:05,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:21:05,015 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:21:05,015 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:21:05,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:21:05,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:21:05,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:21:05,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:21:05,016 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:21:05,016 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:21:05,016 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:21:05,016 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:21:05,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:21:05,016 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:21:05,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:21:05,016 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:21:05,017 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:21:05,017 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:21:05,017 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:05,017 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:21:05,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:21:05,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:21:05,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:21:05,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:21:05,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:21:05,017 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:21:05,017 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:05,018 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:21:05,018 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_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-05 22:21:05,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:21:05,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:21:05,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:21:05,277 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:21:05,277 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:21:05,278 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_4+newton_3_7.i [2024-12-05 22:21:07,990 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/data/40a4b3396/e7ca04c914d44535b4b057f0837a2f69/FLAGa481227e7 [2024-12-05 22:21:08,169 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:21:08,169 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i [2024-12-05 22:21:08,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/data/40a4b3396/e7ca04c914d44535b4b057f0837a2f69/FLAGa481227e7 [2024-12-05 22:21:08,539 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/data/40a4b3396/e7ca04c914d44535b4b057f0837a2f69 [2024-12-05 22:21:08,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:21:08,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:21:08,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:21:08,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:21:08,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:21:08,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:21:08" (1/1) ... [2024-12-05 22:21:08,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c522294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:08, skipping insertion in model container [2024-12-05 22:21:08,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:21:08" (1/1) ... [2024-12-05 22:21:08,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:21:08,669 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_fd34cbbc-a946-4d4f-8134-16e88013d8c5/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[1224,1237] [2024-12-05 22:21:08,694 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_fd34cbbc-a946-4d4f-8134-16e88013d8c5/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[2848,2861] [2024-12-05 22:21:08,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:21:08,706 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:21:08,716 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_fd34cbbc-a946-4d4f-8134-16e88013d8c5/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[1224,1237] [2024-12-05 22:21:08,726 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_fd34cbbc-a946-4d4f-8134-16e88013d8c5/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[2848,2861] [2024-12-05 22:21:08,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:21:08,739 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:21:08,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:08 WrapperNode [2024-12-05 22:21:08,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:21:08,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:21:08,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:21:08,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:21:08,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:08" (1/1) ... [2024-12-05 22:21:08,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:08" (1/1) ... [2024-12-05 22:21:08,769 INFO L138 Inliner]: procedures = 28, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 80 [2024-12-05 22:21:08,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:21:08,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:21:08,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:21:08,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:21:08,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:08" (1/1) ... [2024-12-05 22:21:08,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:08" (1/1) ... [2024-12-05 22:21:08,778 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:08" (1/1) ... [2024-12-05 22:21:08,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:08" (1/1) ... [2024-12-05 22:21:08,785 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:08" (1/1) ... [2024-12-05 22:21:08,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:08" (1/1) ... [2024-12-05 22:21:08,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:08" (1/1) ... [2024-12-05 22:21:08,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:08" (1/1) ... [2024-12-05 22:21:08,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:08" (1/1) ... [2024-12-05 22:21:08,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:21:08,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:21:08,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:21:08,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:21:08,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:21:08" (1/1) ... [2024-12-05 22:21:08,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:21:08,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:21:08,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:21:08,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:21:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:21:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:21:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-05 22:21:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-05 22:21:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-05 22:21:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-05 22:21:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:21:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:21:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:21:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:21:08,901 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:21:08,902 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:21:37,204 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-05 22:21:37,204 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:21:37,265 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:21:37,265 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:21:37,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:21:37 BoogieIcfgContainer [2024-12-05 22:21:37,266 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:21:37,267 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:21:37,267 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:21:37,275 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:21:37,276 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:21:37" (1/1) ... [2024-12-05 22:21:37,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:21:37,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:37,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2024-12-05 22:21:37,317 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-12-05 22:21:37,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:21:37,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:37,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:37,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:37,322 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:37,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:21:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:37,455 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:37,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 22:21:37,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:37,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:21:37,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:21:37,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:37,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-12-05 22:21:37,714 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-12-05 22:21:37,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:21:37,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:37,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:37,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:37,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:37,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:21:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:37,847 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:37,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 22:21:37,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:37,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:21:37,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:21:38,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:38,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2024-12-05 22:21:38,466 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-12-05 22:21:38,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:21:38,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:38,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:38,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:38,468 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:38,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:21:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:38,591 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:38,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:21:38,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:38,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:21:38,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 22:21:39,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:39,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 48 transitions. [2024-12-05 22:21:39,080 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2024-12-05 22:21:39,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:21:39,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:39,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:39,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:39,083 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:39,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:21:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:39,205 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:39,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 22:21:39,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:39,481 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:21:39,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 22:21:40,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:40,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2024-12-05 22:21:40,020 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-12-05 22:21:40,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:21:40,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:40,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:40,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:40,022 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:40,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:21:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:40,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:40,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:21:40,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:40,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:21:40,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 22:21:41,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:41,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 52 transitions. [2024-12-05 22:21:41,128 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2024-12-05 22:21:41,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:21:41,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:41,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:41,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:41,130 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:41,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:21:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:41,257 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:41,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 22:21:41,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:41,768 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:21:41,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 22:21:43,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:43,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 58 transitions. [2024-12-05 22:21:43,076 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2024-12-05 22:21:43,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:21:43,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:43,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:43,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:43,078 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:43,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:21:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:43,211 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:43,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:21:43,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:45,951 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:21:45,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 22:21:53,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:53,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2024-12-05 22:21:53,110 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2024-12-05 22:21:53,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 22:21:53,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:53,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:53,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:53,113 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:53,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:21:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:53,326 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:53,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 22:21:53,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:58,728 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:21:58,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 22:22:14,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:14,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 52 transitions. [2024-12-05 22:22:14,340 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2024-12-05 22:22:14,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 22:22:14,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:14,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:14,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:14,343 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:14,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd34cbbc-a946-4d4f-8134-16e88013d8c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process