./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_3_8.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_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/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_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_3_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/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_54be5c46-768f-408f-affb-0064c9e68687/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 6398dd839d77433d1687aba555077cd298c276d20f879ef7dc3c0a3d5c207e2a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:11:57,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:11:57,185 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:11:57,189 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:11:57,189 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:11:57,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:11:57,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:11:57,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:11:57,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:11:57,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:11:57,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:11:57,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:11:57,209 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:11:57,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:11:57,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:11:57,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:11:57,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:11:57,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:11:57,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:11:57,209 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:11:57,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:11:57,209 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:11:57,209 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:11:57,210 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:11:57,210 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:11:57,210 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:11:57,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:11:57,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:11:57,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:11:57,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:11:57,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:11:57,211 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:11:57,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:11:57,211 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_54be5c46-768f-408f-affb-0064c9e68687/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 -> 6398dd839d77433d1687aba555077cd298c276d20f879ef7dc3c0a3d5c207e2a [2024-12-06 05:11:57,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:11:57,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:11:57,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:11:57,418 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:11:57,419 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:11:57,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_3_8.i [2024-12-06 05:12:00,033 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/data/2cb8e5446/8c1f7860f9fe4cdbbdd118dd08d52ee9/FLAG08a6eddfd [2024-12-06 05:12:00,242 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:12:00,242 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/sv-benchmarks/c/combinations/gcd_3+newton_3_8.i [2024-12-06 05:12:00,249 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/data/2cb8e5446/8c1f7860f9fe4cdbbdd118dd08d52ee9/FLAG08a6eddfd [2024-12-06 05:12:00,618 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/data/2cb8e5446/8c1f7860f9fe4cdbbdd118dd08d52ee9 [2024-12-06 05:12:00,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:12:00,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:12:00,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:12:00,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:12:00,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:12:00,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:12:00" (1/1) ... [2024-12-06 05:12:00,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6839855c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:00, skipping insertion in model container [2024-12-06 05:12:00,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:12:00" (1/1) ... [2024-12-06 05:12:00,640 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:12:00,772 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_54be5c46-768f-408f-affb-0064c9e68687/sv-benchmarks/c/combinations/gcd_3+newton_3_8.i[1226,1239] [2024-12-06 05:12:00,798 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_54be5c46-768f-408f-affb-0064c9e68687/sv-benchmarks/c/combinations/gcd_3+newton_3_8.i[2862,2875] [2024-12-06 05:12:00,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:12:00,809 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:12:00,820 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/sv-benchmarks/c/combinations/gcd_3+newton_3_8.i[1226,1239] [2024-12-06 05:12:00,830 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_54be5c46-768f-408f-affb-0064c9e68687/sv-benchmarks/c/combinations/gcd_3+newton_3_8.i[2862,2875] [2024-12-06 05:12:00,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:12:00,845 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:12:00,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:00 WrapperNode [2024-12-06 05:12:00,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:12:00,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:12:00,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:12:00,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:12:00,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:00" (1/1) ... [2024-12-06 05:12:00,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:00" (1/1) ... [2024-12-06 05:12:00,877 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 90 [2024-12-06 05:12:00,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:12:00,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:12:00,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:12:00,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:12:00,885 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:00" (1/1) ... [2024-12-06 05:12:00,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:00" (1/1) ... [2024-12-06 05:12:00,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:00" (1/1) ... [2024-12-06 05:12:00,887 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:00" (1/1) ... [2024-12-06 05:12:00,891 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:00" (1/1) ... [2024-12-06 05:12:00,892 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:00" (1/1) ... [2024-12-06 05:12:00,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:00" (1/1) ... [2024-12-06 05:12:00,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:00" (1/1) ... [2024-12-06 05:12:00,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:00" (1/1) ... [2024-12-06 05:12:00,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:12:00,900 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:12:00,900 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:12:00,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:12:00,901 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:00" (1/1) ... [2024-12-06 05:12:00,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:12:00,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:12:00,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:12:00,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:12:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:12:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 05:12:00,952 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 05:12:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 05:12:00,952 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 05:12:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:12:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:12:00,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:12:01,004 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:12:01,005 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:12:01,158 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-06 05:12:01,158 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:12:01,211 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:12:01,211 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:12:01,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:12:01 BoogieIcfgContainer [2024-12-06 05:12:01,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:12:01,212 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:12:01,212 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:12:01,222 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:12:01,222 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:12:01" (1/1) ... [2024-12-06 05:12:01,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:12:01,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:01,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 05:12:01,272 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 05:12:01,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:12:01,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:01,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:12:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:01,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:12:01,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:01,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2024-12-06 05:12:01,721 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2024-12-06 05:12:01,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:12:01,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:01,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:12:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:12:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:12:01,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 05:12:01,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:12:49,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:27,492 WARN L851 $PredicateComparison]: unable to prove that (not (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_29| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_29| 127) (= 0 (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) 256)))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (and (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0) (let ((.cse0 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (and (= (mod (mod .cse0 |v_ULTIMATE.start_gcd_test_~a#1_29|) 256) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_29| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_29| 127))) (<= .cse0 127)) (and (<= 128 .cse0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_29|) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_29| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_29| 127) (= 0 (mod (+ .cse0 (- 256)) |v_ULTIMATE.start_gcd_test_~a#1_29|)))))))))) is different from false [2024-12-06 05:16:17,410 WARN L873 $PredicateComparison]: unable to prove that (not (and (not (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_29| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_29| 127) (= 0 (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) 256))))) (not (or (< |c_ULTIMATE.start_main1_~x~0#1| 0) (< |c_ULTIMATE.start_main1_~g~0#1| (+ |c_ULTIMATE.start_main1_~x~0#1| 1)))))) is different from true [2024-12-06 05:16:27,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 05:16:28,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 05:16:29,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:29,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-12-06 05:16:29,324 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-12-06 05:16:29,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:16:29,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:29,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:16:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:16:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:29,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 05:16:29,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:43,848 WARN L873 $PredicateComparison]: unable to prove that (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_31| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~a#1_31| 127) (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_31|) 256) 0) (not (= |v_ULTIMATE.start_gcd_test_~a#1_31| 0)) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_31|))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (and (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0) (let ((.cse0 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_31| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~a#1_31| 127) (= (mod (mod .cse0 |v_ULTIMATE.start_gcd_test_~a#1_31|) 256) 0) (not (= |v_ULTIMATE.start_gcd_test_~a#1_31| 0)) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_31|))) (<= .cse0 127)) (and (let ((.cse1 (+ .cse0 (- 256)))) (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_31| Int)) (and (= 0 (mod .cse1 |v_ULTIMATE.start_gcd_test_~a#1_31|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_31| 1) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_31|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_31| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~a#1_31| 127) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_31|) (= 0 (mod .cse1 |v_ULTIMATE.start_gcd_test_~a#1_31|)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_31| 0)) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_31|))))) (<= 128 .cse0)))))) is different from true [2024-12-06 05:16:43,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:16:54,736 WARN L851 $PredicateComparison]: unable to prove that (not (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_31| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~a#1_31| 127) (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_31|) 256) 0) (not (= |v_ULTIMATE.start_gcd_test_~a#1_31| 0)) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_31|))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (and (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0) (let ((.cse0 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_31| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~a#1_31| 127) (= (mod (mod .cse0 |v_ULTIMATE.start_gcd_test_~a#1_31|) 256) 0) (not (= |v_ULTIMATE.start_gcd_test_~a#1_31| 0)) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_31|))) (<= .cse0 127)) (and (let ((.cse1 (+ .cse0 (- 256)))) (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_31| Int)) (and (= 0 (mod .cse1 |v_ULTIMATE.start_gcd_test_~a#1_31|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_31| 1) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_31|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_31| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~a#1_31| 127) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_31|) (= 0 (mod .cse1 |v_ULTIMATE.start_gcd_test_~a#1_31|)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_31| 0)) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_31|))))) (<= 128 .cse0))))))) is different from false [2024-12-06 05:17:04,483 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-06 05:17:04,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-12-06 05:17:04,484 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:842) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.conjugatePredicates(CodeChecker.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.splitNode(UltimateChecker.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.codeCheck(UltimateChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:469) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 27 more [2024-12-06 05:17:04,489 INFO L158 Benchmark]: Toolchain (without parser) took 303867.12ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 92.9MB in the beginning and 171.6MB in the end (delta: -78.7MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-12-06 05:17:04,489 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:04,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.35ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 80.6MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:17:04,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.97ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.3MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:17:04,490 INFO L158 Benchmark]: Boogie Preprocessor took 21.69ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:04,490 INFO L158 Benchmark]: RCFGBuilder took 311.61ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 61.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:17:04,491 INFO L158 Benchmark]: CodeCheck took 303275.37ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 61.0MB in the beginning and 171.6MB in the end (delta: -110.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:17:04,493 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.35ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 80.6MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.97ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.3MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.69ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 311.61ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 61.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 303275.37ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 61.0MB in the beginning and 171.6MB in the end (delta: -110.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/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_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_3_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/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_54be5c46-768f-408f-affb-0064c9e68687/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 6398dd839d77433d1687aba555077cd298c276d20f879ef7dc3c0a3d5c207e2a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:17:06,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:17:06,261 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:17:06,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:17:06,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:17:06,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:17:06,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:17:06,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:17:06,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:17:06,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:17:06,291 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:17:06,291 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:17:06,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:17:06,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:17:06,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:17:06,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:17:06,292 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:17:06,292 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:17:06,292 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:17:06,292 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:17:06,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:17:06,293 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:17:06,293 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:17:06,293 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:17:06,293 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:17:06,293 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:17:06,294 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:06,294 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:17:06,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:17:06,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:17:06,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:17:06,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:17:06,294 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:17:06,294 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:17:06,295 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:06,295 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:17:06,295 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_54be5c46-768f-408f-affb-0064c9e68687/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 -> 6398dd839d77433d1687aba555077cd298c276d20f879ef7dc3c0a3d5c207e2a [2024-12-06 05:17:06,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:17:06,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:17:06,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:17:06,534 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:17:06,535 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:17:06,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_3_8.i [2024-12-06 05:17:09,193 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/data/08ee659d8/279331b7e37a4110b4d7277748207b01/FLAG596c7f01a [2024-12-06 05:17:09,366 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:17:09,367 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/sv-benchmarks/c/combinations/gcd_3+newton_3_8.i [2024-12-06 05:17:09,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/data/08ee659d8/279331b7e37a4110b4d7277748207b01/FLAG596c7f01a [2024-12-06 05:17:09,389 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/data/08ee659d8/279331b7e37a4110b4d7277748207b01 [2024-12-06 05:17:09,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:17:09,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:17:09,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:17:09,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:17:09,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:17:09,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:17:09" (1/1) ... [2024-12-06 05:17:09,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250e0fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:09, skipping insertion in model container [2024-12-06 05:17:09,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:17:09" (1/1) ... [2024-12-06 05:17:09,415 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:17:09,553 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_54be5c46-768f-408f-affb-0064c9e68687/sv-benchmarks/c/combinations/gcd_3+newton_3_8.i[1226,1239] [2024-12-06 05:17:09,584 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_54be5c46-768f-408f-affb-0064c9e68687/sv-benchmarks/c/combinations/gcd_3+newton_3_8.i[2862,2875] [2024-12-06 05:17:09,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:17:09,597 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:17:09,608 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_54be5c46-768f-408f-affb-0064c9e68687/sv-benchmarks/c/combinations/gcd_3+newton_3_8.i[1226,1239] [2024-12-06 05:17:09,618 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_54be5c46-768f-408f-affb-0064c9e68687/sv-benchmarks/c/combinations/gcd_3+newton_3_8.i[2862,2875] [2024-12-06 05:17:09,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:17:09,634 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:17:09,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:09 WrapperNode [2024-12-06 05:17:09,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:17:09,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:17:09,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:17:09,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:17:09,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:09" (1/1) ... [2024-12-06 05:17:09,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:09" (1/1) ... [2024-12-06 05:17:09,668 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-12-06 05:17:09,668 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:17:09,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:17:09,669 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:17:09,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:17:09,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:09" (1/1) ... [2024-12-06 05:17:09,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:09" (1/1) ... [2024-12-06 05:17:09,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:09" (1/1) ... [2024-12-06 05:17:09,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:09" (1/1) ... [2024-12-06 05:17:09,685 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:09" (1/1) ... [2024-12-06 05:17:09,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:09" (1/1) ... [2024-12-06 05:17:09,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:09" (1/1) ... [2024-12-06 05:17:09,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:09" (1/1) ... [2024-12-06 05:17:09,692 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:09" (1/1) ... [2024-12-06 05:17:09,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:17:09,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:17:09,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:17:09,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:17:09,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:09" (1/1) ... [2024-12-06 05:17:09,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:17:09,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:17:09,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:17:09,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:17:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:17:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:17:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 05:17:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 05:17:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 05:17:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 05:17:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:17:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:17:09,807 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:17:09,809 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:17:34,044 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 05:17:34,044 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:17:34,094 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:17:34,095 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:17:34,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:17:34 BoogieIcfgContainer [2024-12-06 05:17:34,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:17:34,096 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:17:34,096 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:17:34,103 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:17:34,103 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:17:34" (1/1) ... [2024-12-06 05:17:34,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:17:34,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:34,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 05:17:34,143 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 05:17:34,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:17:34,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:34,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:34,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:34,149 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:34,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:17:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:34,220 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:34,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 05:17:34,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:34,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:34,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:17:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:35,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-12-06 05:17:35,577 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-12-06 05:17:35,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:17:35,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:35,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:35,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:35,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:35,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:17:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:35,746 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:35,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:17:35,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:40,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:17:40,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:17:54,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.38s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:18:01,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:18:04,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:18:04,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:04,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-12-06 05:18:04,560 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-12-06 05:18:04,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:18:04,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:04,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:04,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:04,563 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:04,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:18:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:04,930 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:05,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:18:05,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:18:26,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:18:51,109 WARN L286 SmtUtils]: Spent 11.26s on a formula simplification. DAG size of input: 50 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:19:03,989 WARN L286 SmtUtils]: Spent 6.50s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:19:14,254 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:19:23,966 WARN L286 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:19:33,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:19:44,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:19:51,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.61s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:19:52,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:20:27,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:20:27,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2024-12-06 05:20:27,406 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2024-12-06 05:20:27,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:20:27,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:20:27,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:20:27,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:20:27,408 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:20:27,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:20:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:27,700 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:20:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:28,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:20:28,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:20:34,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:20:34,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 05:20:44,499 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse0 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= ((_ extract 7 0) (bvsrem .cse0 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1)))) (not (= (_ bv0 32) .cse3)))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse4))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse1)))) (not (= (_ bv0 32) .cse4)))))))))) is different from false [2024-12-06 05:20:54,580 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse0 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= ((_ extract 7 0) (bvsrem .cse0 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1)))) (not (= (_ bv0 32) .cse3)))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse4))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse1)))) (not (= (_ bv0 32) .cse4))))))))))) is different from true [2024-12-06 05:20:54,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:20:54,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-06 05:20:54,583 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 05:20:54,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:20:54,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:20:54,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:20:54,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:20:54,585 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:20:54,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:20:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:54,873 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:20:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:55,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:20:55,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:21:00,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:21:00,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:21:00,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:00,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-06 05:21:00,623 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 05:21:00,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:21:00,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:00,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:21:00,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:21:00,626 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:21:00,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:21:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:00,936 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:21:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:01,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:21:01,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:21:35,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:21:35,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 05:21:57,701 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse4 (bvslt .cse3 (_ bv0 32)))) (let ((.cse0 (not .cse4)) (.cse6 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse3)))) (.cse2 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (or (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_41| (_ BitVec 8))) (let ((.cse1 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_41|))) (and (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse1 .cse2)))) (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse3 .cse1))))))) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_41| (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_41|))) (and (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse5 .cse2)))) (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse6 .cse5)))))))) (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse2))))) (or (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse7 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= ((_ extract 7 0) (bvsrem .cse3 .cse7)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse2)))) (not (= (_ bv0 32) .cse7)))))) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse6 .cse8))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse2)))) (not (= (_ bv0 32) .cse8))))))) (not (= (_ bv0 32) .cse2)))))) is different from false [2024-12-06 05:22:31,189 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse3 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse4 (bvslt .cse3 (_ bv0 32)))) (let ((.cse0 (not .cse4)) (.cse6 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse3)))) (.cse2 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (or (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_41| (_ BitVec 8))) (let ((.cse1 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_41|))) (and (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse1 .cse2)))) (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse3 .cse1))))))) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_41| (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_41|))) (and (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse5 .cse2)))) (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse6 .cse5)))))))) (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse2))))) (or (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse7 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= ((_ extract 7 0) (bvsrem .cse3 .cse7)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse2)))) (not (= (_ bv0 32) .cse7)))))) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse6 .cse8))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse2)))) (not (= (_ bv0 32) .cse8))))))) (not (= (_ bv0 32) .cse2))))))) is different from true [2024-12-06 05:22:31,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:22:31,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-06 05:22:31,192 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 05:22:31,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:22:31,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:22:31,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:22:31,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:22:31,194 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:22:31,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 05:22:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:31,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:22:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:32,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:22:32,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:22:37,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:22:37,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 05:22:37,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:22:37,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-06 05:22:37,980 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 05:22:37,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:22:37,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:22:37,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:22:37,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:22:37,982 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:22:37,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 05:22:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:38,279 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:22:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:39,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:22:39,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:22:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:22:46,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 05:22:46,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:22:46,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-06 05:22:46,068 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 05:22:46,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:22:46,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:22:46,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:22:46,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:22:46,070 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:22:46,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 05:22:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:46,361 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:22:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:47,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:22:47,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:22:54,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:22:54,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 05:22:54,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:22:54,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-06 05:22:54,182 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 05:22:54,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:22:54,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:22:54,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:22:54,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:22:54,184 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:22:54,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 05:22:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:54,478 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:22:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:54,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:22:54,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:23:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:23:00,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 05:23:00,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:00,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-06 05:23:00,274 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 05:23:00,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:23:00,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:00,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:00,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:00,276 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:00,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 05:23:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:00,571 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:23:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:01,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:23:01,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:23:07,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:23:07,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 05:23:07,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:07,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-06 05:23:07,184 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 05:23:07,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:23:07,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:07,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:07,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:07,187 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:07,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 05:23:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:07,486 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:23:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:07,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:23:07,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:23:14,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:23:14,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 05:23:14,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:14,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-06 05:23:14,438 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 05:23:14,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:23:14,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:14,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:14,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:14,440 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:14,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 05:23:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:14,734 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:23:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:15,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:23:15,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:23:21,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:23:21,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 05:23:21,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:21,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2024-12-06 05:23:21,244 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2024-12-06 05:23:21,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:23:21,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:21,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:21,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:21,246 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:21,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 05:23:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:21,539 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:23:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:22,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:23:22,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:23:27,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:23:27,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 05:23:27,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:27,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2024-12-06 05:23:27,221 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2024-12-06 05:23:27,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:23:27,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:27,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:27,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:27,223 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:27,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 05:23:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:27,516 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:23:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:27,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:23:27,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:23:34,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:23:34,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 05:23:34,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:34,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2024-12-06 05:23:34,215 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2024-12-06 05:23:34,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:23:34,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:34,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:34,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:34,218 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:34,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 05:23:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:34,509 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:23:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:35,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:23:35,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:23:40,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:23:40,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 05:23:40,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2024-12-06 05:23:40,382 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2024-12-06 05:23:40,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:23:40,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:40,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:40,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:40,384 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:40,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 05:23:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:40,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:23:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:41,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:23:41,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:23:47,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:23:47,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 05:23:47,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:47,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 38 states and 76 transitions. [2024-12-06 05:23:47,101 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 76 transitions. [2024-12-06 05:23:47,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:23:47,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:47,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:47,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:47,103 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:47,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 05:23:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:47,395 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:23:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:47,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:23:47,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:24:17,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:24:17,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 05:24:28,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:24:28,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 05:24:28,075 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 05:24:28,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:24:28,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:24:28,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:24:28,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:24:28,077 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:24:28,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 05:24:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:28,367 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:24:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:28,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:24:28,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:24:35,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:24:35,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 05:24:35,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:24:35,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-12-06 05:24:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-12-06 05:24:35,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:24:35,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:24:35,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:24:35,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:24:35,679 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:24:35,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 05:24:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:35,971 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:24:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:36,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:24:36,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:24:42,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:24:42,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 05:24:42,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:24:42,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 05:24:42,315 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 05:24:42,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:24:42,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:24:42,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:24:42,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:24:42,318 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:24:42,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 05:24:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:42,602 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:24:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:43,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:24:43,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:24:49,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:24:49,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 05:24:49,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:24:49,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 05:24:49,435 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 05:24:49,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:24:49,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:24:49,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:24:49,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:24:49,438 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:24:49,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 05:24:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:49,733 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:24:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:50,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:24:50,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:02,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:25:02,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 05:25:07,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:07,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 05:25:07,095 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 05:25:07,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:25:07,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:07,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:25:07,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:25:07,097 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:25:07,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 05:25:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:07,422 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:25:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:07,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:25:07,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:13,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:25:13,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 05:25:13,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:13,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 05:25:13,962 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 05:25:13,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:25:13,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:13,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:25:13,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:25:13,965 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:25:13,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 05:25:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:14,273 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:25:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:14,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:25:14,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:21,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:25:21,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 05:25:21,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:21,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 05:25:21,299 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 05:25:21,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:25:21,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:21,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:25:21,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:25:21,301 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:25:21,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 05:25:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:21,596 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:25:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:22,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:25:22,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:28,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:25:28,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 05:25:28,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:28,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 05:25:28,260 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 05:25:28,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:25:28,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:28,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:25:28,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:25:28,262 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:25:28,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 05:25:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:28,559 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:25:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:28,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:25:28,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:26:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:26:02,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 05:26:02,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:26:02,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 05:26:02,471 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 05:26:02,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:26:02,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:26:02,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:26:02,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:26:02,473 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:26:02,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 05:26:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:02,767 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:26:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:03,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:26:03,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:26:09,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:26:09,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 05:26:09,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:26:09,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 05:26:09,247 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 05:26:09,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:26:09,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:26:09,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:26:09,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:26:09,249 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:26:09,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 05:26:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:09,550 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:26:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:10,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:26:10,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:26:15,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:26:15,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 05:26:15,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:26:15,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 05:26:15,737 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 05:26:15,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:26:15,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:26:15,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:26:15,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:26:15,739 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:26:15,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 05:26:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:16,035 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:26:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:16,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:26:16,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:26:24,178 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:26:24,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 05:26:24,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:26:24,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 05:26:24,200 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 05:26:24,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:26:24,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:26:24,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:26:24,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:26:24,202 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:26:24,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 05:26:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:24,496 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:26:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:24,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:26:24,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:26:31,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:26:31,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 05:26:31,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:26:31,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 05:26:31,260 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 05:26:31,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:26:31,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:26:31,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:26:31,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:26:31,262 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:26:31,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 05:26:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:31,554 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:26:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:31,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:26:31,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:27:01,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:27:01,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 05:27:01,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:01,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 05:27:01,207 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 05:27:01,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:27:01,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:01,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:27:01,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:27:01,209 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:27:01,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 05:27:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:01,501 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:27:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:02,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:27:02,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:27:07,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:27:07,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 05:27:07,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:07,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-06 05:27:07,687 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-06 05:27:07,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:27:07,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:07,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:27:07,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:27:07,689 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:27:07,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54be5c46-768f-408f-affb-0064c9e68687/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 05:27:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:07,985 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:27:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:08,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:27:08,591 INFO L279 TraceCheckSpWp]: Computing forward predicates...