./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_2_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk --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 9a3e0b52eabe0a038e4774a376f7ed1eb95ce84c8d3569b2d9d7df15f27e8bd7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:33:42,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:33:42,633 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:33:42,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:33:42,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:33:42,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:33:42,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:33:42,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:33:42,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:33:42,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:33:42,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:33:42,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:33:42,690 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:33:42,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:33:42,690 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:33:42,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:33:42,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:33:42,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:33:42,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:33:42,696 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:33:42,696 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:33:42,697 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:33:42,697 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:33:42,698 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:33:42,698 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:33:42,698 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:33:42,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:33:42,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:33:42,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:33:42,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:33:42,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:33:42,700 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:33:42,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:33:42,705 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a3e0b52eabe0a038e4774a376f7ed1eb95ce84c8d3569b2d9d7df15f27e8bd7 [2024-11-08 22:33:43,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:33:43,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:33:43,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:33:43,101 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:33:43,102 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:33:43,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_1+newton_2_3.i Unable to find full path for "g++" [2024-11-08 22:33:45,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:33:45,720 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:33:45,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/sv-benchmarks/c/combinations/gcd_1+newton_2_3.i [2024-11-08 22:33:45,732 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/data/d0a1c3f58/27e997769fc944aeb3bf690fd8d3fc3d/FLAG71453f55b [2024-11-08 22:33:46,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/data/d0a1c3f58/27e997769fc944aeb3bf690fd8d3fc3d [2024-11-08 22:33:46,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:33:46,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:33:46,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:33:46,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:33:46,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:33:46,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:33:46" (1/1) ... [2024-11-08 22:33:46,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@93fcdac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:46, skipping insertion in model container [2024-11-08 22:33:46,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:33:46" (1/1) ... [2024-11-08 22:33:46,142 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:33:46,378 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_2b1245b5-ea5e-4438-901d-9b248b5509a5/sv-benchmarks/c/combinations/gcd_1+newton_2_3.i[1226,1239] [2024-11-08 22:33:46,415 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_2b1245b5-ea5e-4438-901d-9b248b5509a5/sv-benchmarks/c/combinations/gcd_1+newton_2_3.i[2807,2820] [2024-11-08 22:33:46,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:33:46,446 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:33:46,479 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_2b1245b5-ea5e-4438-901d-9b248b5509a5/sv-benchmarks/c/combinations/gcd_1+newton_2_3.i[1226,1239] [2024-11-08 22:33:46,517 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_2b1245b5-ea5e-4438-901d-9b248b5509a5/sv-benchmarks/c/combinations/gcd_1+newton_2_3.i[2807,2820] [2024-11-08 22:33:46,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:33:46,553 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:33:46,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:46 WrapperNode [2024-11-08 22:33:46,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:33:46,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:33:46,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:33:46,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:33:46,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:46" (1/1) ... [2024-11-08 22:33:46,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:46" (1/1) ... [2024-11-08 22:33:46,632 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-11-08 22:33:46,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:33:46,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:33:46,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:33:46,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:33:46,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:46" (1/1) ... [2024-11-08 22:33:46,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:46" (1/1) ... [2024-11-08 22:33:46,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:46" (1/1) ... [2024-11-08 22:33:46,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:46" (1/1) ... [2024-11-08 22:33:46,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:46" (1/1) ... [2024-11-08 22:33:46,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:46" (1/1) ... [2024-11-08 22:33:46,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:46" (1/1) ... [2024-11-08 22:33:46,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:46" (1/1) ... [2024-11-08 22:33:46,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:33:46,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:33:46,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:33:46,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:33:46,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:46" (1/1) ... [2024-11-08 22:33:46,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:33:46,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:33:46,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:33:46,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:33:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:33:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 22:33:46,782 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 22:33:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 22:33:46,783 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 22:33:46,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:33:46,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:33:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:33:46,901 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:33:46,904 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:33:47,272 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-08 22:33:47,272 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:33:47,372 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:33:47,372 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:33:47,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:33:47 BoogieIcfgContainer [2024-11-08 22:33:47,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:33:47,374 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:33:47,374 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:33:47,388 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:33:47,389 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:33:47" (1/1) ... [2024-11-08 22:33:47,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:33:47,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:47,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2024-11-08 22:33:47,471 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2024-11-08 22:33:47,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:33:47,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:47,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:47,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:33:47,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:47,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:33:47,996 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:33:47,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:33:47,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:48,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:33:48,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:48,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2024-11-08 22:33:48,135 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2024-11-08 22:33:48,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:33:48,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:48,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:48,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:33:49,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:49,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2024-11-08 22:33:49,156 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-11-08 22:33:49,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:33:49,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:49,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:33:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:54,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 22:33:54,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:57,449 WARN L873 $PredicateComparison]: unable to prove that (and (<= 1 |c_ULTIMATE.start_main1_~y~0#1|) (or (and (<= 0 (+ |c_ULTIMATE.start_gcd_test_~a#1| 128)) (<= (+ |c_ULTIMATE.start_gcd_test_~a#1| 1) 0) (exists ((v_y_5 Int)) (let ((.cse0 (* 256 v_y_5)) (.cse1 (* |c_ULTIMATE.start_gcd_test_~a#1| 255))) (and (= (mod (+ 65280 .cse0 .cse1) |c_ULTIMATE.start_main1_~y~0#1|) 0) (<= 0 (+ 65408 .cse0 .cse1)) (<= (+ 65281 .cse0 .cse1) 0))))) (and (<= |c_ULTIMATE.start_gcd_test_~a#1| 127) (<= 0 |c_ULTIMATE.start_gcd_test_~a#1|) (= (mod |c_ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_main1_~y~0#1|) 0))) (<= |c_ULTIMATE.start_main1_~y~0#1| 127) (= |c_ULTIMATE.start_main1_~y~0#1| |c_ULTIMATE.start_gcd_test_~b#1|)) is different from true [2024-11-08 22:33:59,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-11-08 22:34:13,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.91s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 22:34:17,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:17,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 46 transitions. [2024-11-08 22:34:17,683 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2024-11-08 22:34:17,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:34:17,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:17,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:34:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:34:27,803 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) 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) [2024-11-08 22:34:27,807 INFO L158 Benchmark]: Toolchain (without parser) took 41731.12ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 80.0MB in the beginning and 100.1MB in the end (delta: -20.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-11-08 22:34:27,807 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 115.3MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:34:27,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.28ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 112.8MB in the end (delta: -33.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-11-08 22:34:27,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.33ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 110.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:34:27,810 INFO L158 Benchmark]: Boogie Preprocessor took 51.16ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 109.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:34:27,811 INFO L158 Benchmark]: RCFGBuilder took 684.27ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 90.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:34:27,811 INFO L158 Benchmark]: CodeCheck took 40431.85ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 90.6MB in the beginning and 100.1MB in the end (delta: -9.5MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-08 22:34:27,815 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 115.3MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.28ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 112.8MB in the end (delta: -33.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.33ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 110.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.16ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 109.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 684.27ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 90.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 40431.85ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 90.6MB in the beginning and 100.1MB in the end (delta: -9.5MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:34:27,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk --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 9a3e0b52eabe0a038e4774a376f7ed1eb95ce84c8d3569b2d9d7df15f27e8bd7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:34:30,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:34:30,489 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:34:30,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:34:30,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:34:30,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:34:30,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:34:30,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:34:30,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:34:30,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:34:30,540 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:34:30,541 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:34:30,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:34:30,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:34:30,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:34:30,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:34:30,543 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:34:30,544 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:34:30,544 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:34:30,545 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:34:30,545 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:34:30,546 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:34:30,546 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:34:30,546 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:34:30,547 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:34:30,547 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:34:30,547 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:30,548 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:34:30,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:34:30,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:34:30,549 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:34:30,550 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:34:30,550 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:34:30,550 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:34:30,551 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:30,551 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:34:30,551 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a3e0b52eabe0a038e4774a376f7ed1eb95ce84c8d3569b2d9d7df15f27e8bd7 [2024-11-08 22:34:31,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:34:31,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:34:31,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:34:31,110 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:34:31,112 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:34:31,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_1+newton_2_3.i Unable to find full path for "g++" [2024-11-08 22:34:33,704 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:34:34,053 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:34:34,054 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/sv-benchmarks/c/combinations/gcd_1+newton_2_3.i [2024-11-08 22:34:34,070 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/data/58e6c96e8/81545ea6360343a4aedef940badbfbea/FLAGa873859b2 [2024-11-08 22:34:34,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/data/58e6c96e8/81545ea6360343a4aedef940badbfbea [2024-11-08 22:34:34,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:34:34,328 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:34:34,330 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:34:34,330 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:34:34,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:34:34,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:34:34" (1/1) ... [2024-11-08 22:34:34,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@253679fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:34, skipping insertion in model container [2024-11-08 22:34:34,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:34:34" (1/1) ... [2024-11-08 22:34:34,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:34:34,651 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_2b1245b5-ea5e-4438-901d-9b248b5509a5/sv-benchmarks/c/combinations/gcd_1+newton_2_3.i[1226,1239] [2024-11-08 22:34:34,690 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_2b1245b5-ea5e-4438-901d-9b248b5509a5/sv-benchmarks/c/combinations/gcd_1+newton_2_3.i[2807,2820] [2024-11-08 22:34:34,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:34:34,730 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:34:34,751 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_2b1245b5-ea5e-4438-901d-9b248b5509a5/sv-benchmarks/c/combinations/gcd_1+newton_2_3.i[1226,1239] [2024-11-08 22:34:34,801 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_2b1245b5-ea5e-4438-901d-9b248b5509a5/sv-benchmarks/c/combinations/gcd_1+newton_2_3.i[2807,2820] [2024-11-08 22:34:34,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:34:34,848 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:34:34,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:34 WrapperNode [2024-11-08 22:34:34,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:34:34,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:34:34,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:34:34,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:34:34,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:34" (1/1) ... [2024-11-08 22:34:34,876 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:34" (1/1) ... [2024-11-08 22:34:34,906 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2024-11-08 22:34:34,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:34:34,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:34:34,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:34:34,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:34:34,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:34" (1/1) ... [2024-11-08 22:34:34,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:34" (1/1) ... [2024-11-08 22:34:34,924 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:34" (1/1) ... [2024-11-08 22:34:34,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:34" (1/1) ... [2024-11-08 22:34:34,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:34" (1/1) ... [2024-11-08 22:34:34,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:34" (1/1) ... [2024-11-08 22:34:34,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:34" (1/1) ... [2024-11-08 22:34:34,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:34" (1/1) ... [2024-11-08 22:34:34,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:34:34,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:34:34,967 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:34:34,967 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:34:34,968 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:34" (1/1) ... [2024-11-08 22:34:34,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:34:34,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:34:35,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:34:35,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:34:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:34:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:34:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 22:34:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 22:34:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 22:34:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 22:34:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:34:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:34:35,181 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:34:35,185 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:35:01,712 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 22:35:01,712 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:35:01,817 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:35:01,817 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:35:01,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:01 BoogieIcfgContainer [2024-11-08 22:35:01,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:35:01,820 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:35:01,820 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:35:01,830 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:35:01,831 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:01" (1/1) ... [2024-11-08 22:35:01,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:35:01,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:01,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2024-11-08 22:35:01,905 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2024-11-08 22:35:01,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:35:01,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:01,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:01,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:01,914 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:01,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:35:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:02,127 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:02,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 22:35:02,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:02,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:02,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:35:02,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:02,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:35:02,835 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:35:02,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:35:02,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:02,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:02,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:02,838 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:02,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:35:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:02,900 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:02,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:35:02,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:03,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:03,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:35:03,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:03,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2024-11-08 22:35:03,272 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2024-11-08 22:35:03,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:35:03,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:03,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:03,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:03,277 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:03,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:35:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:03,721 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:03,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:35:03,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:04,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:04,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:07,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:07,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2024-11-08 22:35:07,696 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-11-08 22:35:07,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:35:07,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:07,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:07,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:07,703 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:07,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:35:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:09,047 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:11,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:35:11,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:23,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:23,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:35:34,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:35:42,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.12s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:35:44,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:44,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 46 transitions. [2024-11-08 22:35:44,148 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2024-11-08 22:35:44,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:35:44,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:44,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:44,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:44,154 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:44,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:35:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:45,227 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:48,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:35:48,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:55,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:55,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:35:57,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:57,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2024-11-08 22:35:57,288 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-11-08 22:35:57,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:35:57,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:57,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:57,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:57,293 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:57,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b1245b5-ea5e-4438-901d-9b248b5509a5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process