./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_2_6.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_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/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_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_2_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/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_c02577de-d674-4cde-b90a-97ccfc6d8f30/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 5cac0172a473af199376bf812088f190c7f0980d081815e0ce11da019a58906a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:19:01,905 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:19:01,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:19:01,964 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:19:01,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:19:01,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:19:01,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:19:01,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:19:01,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:19:01,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:19:01,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:19:01,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:19:01,986 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:19:01,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:19:01,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:19:01,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:19:01,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:19:01,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:19:01,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:19:01,986 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:19:01,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:19:01,986 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:19:01,987 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:19:01,987 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:19:01,987 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:19:01,987 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:19:01,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:19:01,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:19:01,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:19:01,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:19:01,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:19:01,988 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:19:01,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:19:01,988 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_c02577de-d674-4cde-b90a-97ccfc6d8f30/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 -> 5cac0172a473af199376bf812088f190c7f0980d081815e0ce11da019a58906a [2024-12-06 01:19:02,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:19:02,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:19:02,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:19:02,209 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:19:02,209 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:19:02,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_4+newton_2_6.i [2024-12-06 01:19:04,921 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/data/0e4f7819b/f3db6d909ed045da9b26843be5e10f15/FLAG747867d55 [2024-12-06 01:19:05,146 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:19:05,147 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/sv-benchmarks/c/combinations/gcd_4+newton_2_6.i [2024-12-06 01:19:05,155 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/data/0e4f7819b/f3db6d909ed045da9b26843be5e10f15/FLAG747867d55 [2024-12-06 01:19:05,500 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/data/0e4f7819b/f3db6d909ed045da9b26843be5e10f15 [2024-12-06 01:19:05,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:19:05,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:19:05,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:19:05,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:19:05,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:19:05,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:19:05" (1/1) ... [2024-12-06 01:19:05,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15a88066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:05, skipping insertion in model container [2024-12-06 01:19:05,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:19:05" (1/1) ... [2024-12-06 01:19:05,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:19:05,658 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_c02577de-d674-4cde-b90a-97ccfc6d8f30/sv-benchmarks/c/combinations/gcd_4+newton_2_6.i[1224,1237] [2024-12-06 01:19:05,687 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_c02577de-d674-4cde-b90a-97ccfc6d8f30/sv-benchmarks/c/combinations/gcd_4+newton_2_6.i[2827,2840] [2024-12-06 01:19:05,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:19:05,699 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:19:05,710 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_c02577de-d674-4cde-b90a-97ccfc6d8f30/sv-benchmarks/c/combinations/gcd_4+newton_2_6.i[1224,1237] [2024-12-06 01:19:05,720 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_c02577de-d674-4cde-b90a-97ccfc6d8f30/sv-benchmarks/c/combinations/gcd_4+newton_2_6.i[2827,2840] [2024-12-06 01:19:05,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:19:05,738 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:19:05,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:05 WrapperNode [2024-12-06 01:19:05,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:19:05,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:19:05,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:19:05,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:19:05,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:05" (1/1) ... [2024-12-06 01:19:05,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:05" (1/1) ... [2024-12-06 01:19:05,773 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 78 [2024-12-06 01:19:05,773 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:19:05,774 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:19:05,774 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:19:05,774 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:19:05,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:05" (1/1) ... [2024-12-06 01:19:05,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:05" (1/1) ... [2024-12-06 01:19:05,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:05" (1/1) ... [2024-12-06 01:19:05,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:05" (1/1) ... [2024-12-06 01:19:05,789 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:05" (1/1) ... [2024-12-06 01:19:05,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:05" (1/1) ... [2024-12-06 01:19:05,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:05" (1/1) ... [2024-12-06 01:19:05,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:05" (1/1) ... [2024-12-06 01:19:05,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:05" (1/1) ... [2024-12-06 01:19:05,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:19:05,797 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:19:05,797 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:19:05,798 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:19:05,798 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:05" (1/1) ... [2024-12-06 01:19:05,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:19:05,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:19:05,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:19:05,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:19:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:19:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:19:05,854 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:19:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:19:05,854 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:19:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:19:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:19:05,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:19:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:19:05,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:19:05,915 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:19:05,917 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:19:06,077 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-12-06 01:19:06,077 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:19:06,124 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:19:06,124 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:19:06,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:19:06 BoogieIcfgContainer [2024-12-06 01:19:06,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:19:06,126 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:19:06,126 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:19:06,135 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:19:06,135 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:19:06" (1/1) ... [2024-12-06 01:19:06,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:19:06,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:06,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-12-06 01:19:06,191 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-12-06 01:19:06,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:19:06,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:06,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:06,418 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 01:19:06,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:06,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2024-12-06 01:19:06,459 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-12-06 01:19:06,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:19:06,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:06,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:06,538 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 01:19:06,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:06,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2024-12-06 01:19:06,633 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-12-06 01:19:06,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 01:19:06,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:06,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:06,787 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 01:19:06,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:06,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2024-12-06 01:19:06,922 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2024-12-06 01:19:06,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:19:06,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:06,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:07,075 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 01:19:07,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:07,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2024-12-06 01:19:07,308 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2024-12-06 01:19:07,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:19:07,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:07,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:19:07,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:07,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2024-12-06 01:19:07,960 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2024-12-06 01:19:07,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:19:07,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:07,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:08,274 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:19:08,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:08,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2024-12-06 01:19:08,962 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 01:19:08,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:19:08,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:08,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:09,133 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:19:09,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2024-12-06 01:19:09,332 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2024-12-06 01:19:09,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:19:09,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:09,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:09,477 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:19:09,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:09,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 81 transitions. [2024-12-06 01:19:09,643 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 81 transitions. [2024-12-06 01:19:09,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:19:09,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:09,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:19:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:09,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 01:19:09,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:10,216 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:19:11,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:11,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 99 transitions. [2024-12-06 01:19:11,074 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 99 transitions. [2024-12-06 01:19:11,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:19:11,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:11,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:19:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:11,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 01:19:11,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:11,268 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:19:11,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:11,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 45 transitions. [2024-12-06 01:19:11,754 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-12-06 01:19:11,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:19:11,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:11,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:19:11,761 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:19:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:19:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:19:11,793 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:19:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:19:11,815 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2024-12-06 01:19:11,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:19:11 ImpRootNode [2024-12-06 01:19:11,838 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:19:11,839 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:19:11,839 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:19:11,839 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:19:11,840 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:19:06" (3/4) ... [2024-12-06 01:19:11,842 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:19:11,843 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:19:11,844 INFO L158 Benchmark]: Toolchain (without parser) took 6340.47ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 118.0MB in the beginning and 167.8MB in the end (delta: -49.8MB). Peak memory consumption was 105.7MB. Max. memory is 16.1GB. [2024-12-06 01:19:11,844 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:19:11,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.16ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 105.7MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:19:11,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.44ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:19:11,845 INFO L158 Benchmark]: Boogie Preprocessor took 22.90ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.5MB in the end (delta: 920.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:19:11,846 INFO L158 Benchmark]: RCFGBuilder took 327.63ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 86.5MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:19:11,846 INFO L158 Benchmark]: CodeCheck took 5712.91ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 86.5MB in the beginning and 167.8MB in the end (delta: -81.3MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2024-12-06 01:19:11,846 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 302.0MB. Free memory was 167.8MB in the beginning and 167.8MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:19:11,849 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 31 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 309 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 98 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 477 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1380 IncrementalHoareTripleChecker+Invalid, 1857 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 477 mSolverCounterUnsat, 98 mSDtfsCounter, 1380 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1253 GetRequests, 1117 SyntacticMatches, 22 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6285 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 579 SizeOfPredicates, 4 NumberOfNonLiveVariables, 148 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 0/70 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 109]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryArithmeticFLOAToperation at line 102, overapproximation of someBinaryArithmeticFLOAToperation at line 87, overapproximation of someBinaryArithmeticFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 92. Possible FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -1.2f && IN < 1.2f) [L82] COND FALSE !(!cond) [L98] RET assume_abort_if_not(IN > -1.2f && IN < 1.2f) [L100] CALL, EXPR f(IN) VAL [\old(x)=2] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L100] RET, EXPR f(IN) VAL [IN=2] [L100] CALL, EXPR fp(IN) VAL [\old(x)=2] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L100] RET, EXPR fp(IN) VAL [IN=2] [L100] float x = IN - f(IN)/fp(IN); [L102] CALL, EXPR f(x) VAL [\old(x)=3] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L102] RET, EXPR f(x) VAL [IN=2, x=3] [L102] CALL, EXPR fp(x) VAL [\old(x)=3] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L102] RET, EXPR fp(x) VAL [IN=2, x=3] [L102] x = x - f(x)/fp(x) [L108] COND TRUE !(x < 0.1) VAL [IN=2] [L109] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.16ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 105.7MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.44ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.90ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.5MB in the end (delta: 920.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 327.63ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 86.5MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 5712.91ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 86.5MB in the beginning and 167.8MB in the end (delta: -81.3MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 302.0MB. Free memory was 167.8MB in the beginning and 167.8MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:19:11,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/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_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_2_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/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_c02577de-d674-4cde-b90a-97ccfc6d8f30/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 5cac0172a473af199376bf812088f190c7f0980d081815e0ce11da019a58906a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:19:13,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:19:13,888 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:19:13,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:19:13,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:19:13,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:19:13,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:19:13,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:19:13,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:19:13,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:19:13,916 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:19:13,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:19:13,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:19:13,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:19:13,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:19:13,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:19:13,917 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:19:13,917 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:19:13,917 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:19:13,917 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:19:13,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:19:13,918 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:19:13,918 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:19:13,918 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:19:13,918 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:19:13,918 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:19:13,918 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:13,918 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:19:13,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:19:13,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:19:13,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:19:13,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:19:13,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:19:13,919 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:19:13,919 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:13,919 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:19:13,919 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_c02577de-d674-4cde-b90a-97ccfc6d8f30/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 -> 5cac0172a473af199376bf812088f190c7f0980d081815e0ce11da019a58906a [2024-12-06 01:19:14,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:19:14,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:19:14,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:19:14,150 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:19:14,151 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:19:14,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_4+newton_2_6.i [2024-12-06 01:19:16,832 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/data/db0d4b03e/97a5d1b5dc2b453fa7f180e285a1cf12/FLAGfdc330a72 [2024-12-06 01:19:16,998 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:19:16,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/sv-benchmarks/c/combinations/gcd_4+newton_2_6.i [2024-12-06 01:19:17,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/data/db0d4b03e/97a5d1b5dc2b453fa7f180e285a1cf12/FLAGfdc330a72 [2024-12-06 01:19:17,386 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/data/db0d4b03e/97a5d1b5dc2b453fa7f180e285a1cf12 [2024-12-06 01:19:17,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:19:17,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:19:17,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:19:17,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:19:17,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:19:17,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:19:17" (1/1) ... [2024-12-06 01:19:17,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e8eb9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:17, skipping insertion in model container [2024-12-06 01:19:17,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:19:17" (1/1) ... [2024-12-06 01:19:17,406 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:19:17,515 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_c02577de-d674-4cde-b90a-97ccfc6d8f30/sv-benchmarks/c/combinations/gcd_4+newton_2_6.i[1224,1237] [2024-12-06 01:19:17,540 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_c02577de-d674-4cde-b90a-97ccfc6d8f30/sv-benchmarks/c/combinations/gcd_4+newton_2_6.i[2827,2840] [2024-12-06 01:19:17,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:19:17,554 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:19:17,563 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_c02577de-d674-4cde-b90a-97ccfc6d8f30/sv-benchmarks/c/combinations/gcd_4+newton_2_6.i[1224,1237] [2024-12-06 01:19:17,573 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_c02577de-d674-4cde-b90a-97ccfc6d8f30/sv-benchmarks/c/combinations/gcd_4+newton_2_6.i[2827,2840] [2024-12-06 01:19:17,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:19:17,585 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:19:17,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:17 WrapperNode [2024-12-06 01:19:17,586 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:19:17,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:19:17,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:19:17,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:19:17,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:17" (1/1) ... [2024-12-06 01:19:17,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:17" (1/1) ... [2024-12-06 01:19:17,614 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 75 [2024-12-06 01:19:17,614 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:19:17,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:19:17,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:19:17,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:19:17,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:17" (1/1) ... [2024-12-06 01:19:17,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:17" (1/1) ... [2024-12-06 01:19:17,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:17" (1/1) ... [2024-12-06 01:19:17,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:17" (1/1) ... [2024-12-06 01:19:17,629 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:17" (1/1) ... [2024-12-06 01:19:17,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:17" (1/1) ... [2024-12-06 01:19:17,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:17" (1/1) ... [2024-12-06 01:19:17,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:17" (1/1) ... [2024-12-06 01:19:17,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:17" (1/1) ... [2024-12-06 01:19:17,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:19:17,637 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:19:17,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:19:17,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:19:17,638 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:17" (1/1) ... [2024-12-06 01:19:17,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:19:17,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:19:17,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:19:17,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:19:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:19:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:19:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:19:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:19:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:19:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:19:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:19:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:19:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:19:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:19:17,743 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:19:17,745 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:19:41,858 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-06 01:19:41,858 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:19:41,916 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:19:41,916 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:19:41,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:19:41 BoogieIcfgContainer [2024-12-06 01:19:41,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:19:41,917 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:19:41,917 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:19:41,924 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:19:41,924 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:19:41" (1/1) ... [2024-12-06 01:19:41,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:19:41,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:41,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-12-06 01:19:41,964 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-12-06 01:19:41,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:19:41,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:41,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:41,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:41,969 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:41,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:19:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:42,106 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:42,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:19:42,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:42,217 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 01:19:42,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:19:42,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:42,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2024-12-06 01:19:42,345 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-12-06 01:19:42,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:19:42,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:42,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:42,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:42,348 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:42,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:19:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:42,490 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:42,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:19:42,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:42,603 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 01:19:42,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:19:43,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2024-12-06 01:19:43,081 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-12-06 01:19:43,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 01:19:43,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:43,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:43,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:43,083 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:43,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:19:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:43,230 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:43,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 01:19:43,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:43,352 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 01:19:43,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:19:43,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:43,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2024-12-06 01:19:43,693 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-12-06 01:19:43,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:19:43,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:43,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:43,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:43,697 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:43,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:19:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:43,827 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:43,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:19:43,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:44,102 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 01:19:44,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 01:19:44,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:44,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2024-12-06 01:19:44,649 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-12-06 01:19:44,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:19:44,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:44,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:44,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:44,652 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:44,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:19:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:44,776 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:44,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 01:19:44,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:45,126 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:19:45,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 01:19:45,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:45,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2024-12-06 01:19:45,732 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2024-12-06 01:19:45,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:19:45,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:45,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:45,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:45,735 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:45,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:19:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:45,860 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:45,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:19:45,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:46,322 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:19:46,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 01:19:47,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:47,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2024-12-06 01:19:47,627 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2024-12-06 01:19:47,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:19:47,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:47,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:47,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:47,630 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:47,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:19:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:47,759 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:47,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 01:19:47,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:50,397 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:19:50,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 01:19:57,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:57,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 45 transitions. [2024-12-06 01:19:57,045 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-12-06 01:19:57,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:19:57,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:57,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:57,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:57,048 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:57,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02577de-d674-4cde-b90a-97ccfc6d8f30/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process