./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_2_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/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_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/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_86bf712e-3cd4-4333-bd90-fca439f26d6e/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 e401cb5a55548693b1ec0dc85ab970a5c443ca7f94bea25587ee110941770f7d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:42:02,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:42:02,507 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:42:02,512 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:42:02,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:42:02,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:42:02,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:42:02,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:42:02,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:42:02,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:42:02,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:42:02,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:42:02,546 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:42:02,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:42:02,546 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:42:02,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:42:02,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:42:02,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:42:02,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:42:02,548 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:42:02,549 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:42:02,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:42:02,553 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:42:02,553 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:42:02,554 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:42:02,554 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:42:02,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:42:02,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:42:02,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:42:02,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:42:02,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:42:02,560 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:42:02,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:42:02,561 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_86bf712e-3cd4-4333-bd90-fca439f26d6e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e401cb5a55548693b1ec0dc85ab970a5c443ca7f94bea25587ee110941770f7d [2024-11-08 23:42:02,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:42:02,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:42:02,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:42:02,980 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:42:02,980 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:42:02,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_3+newton_2_3.i Unable to find full path for "g++" [2024-11-08 23:42:05,043 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:42:05,268 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:42:05,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i [2024-11-08 23:42:05,280 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/data/d8b8bf6d9/2370ea8106344108866ad7bde09a98b7/FLAG7edef7af8 [2024-11-08 23:42:05,305 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/data/d8b8bf6d9/2370ea8106344108866ad7bde09a98b7 [2024-11-08 23:42:05,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:42:05,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:42:05,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:42:05,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:42:05,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:42:05,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:42:05" (1/1) ... [2024-11-08 23:42:05,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6349e831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:05, skipping insertion in model container [2024-11-08 23:42:05,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:42:05" (1/1) ... [2024-11-08 23:42:05,354 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:42:05,561 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_86bf712e-3cd4-4333-bd90-fca439f26d6e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i[1226,1239] [2024-11-08 23:42:05,591 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_86bf712e-3cd4-4333-bd90-fca439f26d6e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i[2841,2854] [2024-11-08 23:42:05,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:42:05,608 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:42:05,622 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_86bf712e-3cd4-4333-bd90-fca439f26d6e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i[1226,1239] [2024-11-08 23:42:05,636 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_86bf712e-3cd4-4333-bd90-fca439f26d6e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i[2841,2854] [2024-11-08 23:42:05,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:42:05,660 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:42:05,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:05 WrapperNode [2024-11-08 23:42:05,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:42:05,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:42:05,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:42:05,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:42:05,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:05" (1/1) ... [2024-11-08 23:42:05,679 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:05" (1/1) ... [2024-11-08 23:42:05,702 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-11-08 23:42:05,702 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:42:05,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:42:05,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:42:05,703 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:42:05,712 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:05" (1/1) ... [2024-11-08 23:42:05,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:05" (1/1) ... [2024-11-08 23:42:05,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:05" (1/1) ... [2024-11-08 23:42:05,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:05" (1/1) ... [2024-11-08 23:42:05,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:05" (1/1) ... [2024-11-08 23:42:05,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:05" (1/1) ... [2024-11-08 23:42:05,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:05" (1/1) ... [2024-11-08 23:42:05,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:05" (1/1) ... [2024-11-08 23:42:05,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:42:05,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:42:05,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:42:05,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:42:05,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:05" (1/1) ... [2024-11-08 23:42:05,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:42:05,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:42:05,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:42:05,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:42:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:42:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 23:42:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 23:42:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 23:42:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 23:42:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:42:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:42:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:42:05,874 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:42:05,876 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:42:06,107 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 23:42:06,108 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:42:06,184 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:42:06,185 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:42:06,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:06 BoogieIcfgContainer [2024-11-08 23:42:06,185 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:42:06,186 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:42:06,186 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:42:06,195 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:42:06,195 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:06" (1/1) ... [2024-11-08 23:42:06,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:42:06,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:06,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2024-11-08 23:42:06,262 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2024-11-08 23:42:06,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:42:06,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:06,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:06,778 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 23:42:06,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:06,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2024-11-08 23:42:06,921 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2024-11-08 23:42:06,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:42:06,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:06,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:06,981 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 23:42:07,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:07,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-11-08 23:42:07,024 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-11-08 23:42:07,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:42:07,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:07,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:42:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:07,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:42:07,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:25,364 WARN L873 $PredicateComparison]: unable to prove that (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_21| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_21| 0)) (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|) 256) 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_21| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (and (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0) (let ((.cse0 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (<= 128 .cse0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_21| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_21| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_21| 127) (= (mod (+ .cse0 (- 256)) |v_ULTIMATE.start_gcd_test_~a#1_21|) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|)))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_21| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_21| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_21| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|) (= (mod (mod .cse0 |v_ULTIMATE.start_gcd_test_~a#1_21|) 256) 0))) (<= .cse0 127)))))) is different from true [2024-11-08 23:42:25,757 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 23:42:48,819 WARN L873 $PredicateComparison]: unable to prove that (and (not (or (= |c_ULTIMATE.start_main1_~g~0#1| |c_ULTIMATE.start_main1_~x~0#1|) (< |c_ULTIMATE.start_main1_~x~0#1| 0))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_21| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_21| 0)) (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|) 256) 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_21| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (and (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0) (let ((.cse0 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (<= 128 .cse0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_21| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_21| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_21| 127) (= (mod (+ .cse0 (- 256)) |v_ULTIMATE.start_gcd_test_~a#1_21|) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|)))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_21| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_21| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_21| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|) (= (mod (mod .cse0 |v_ULTIMATE.start_gcd_test_~a#1_21|) 256) 0))) (<= .cse0 127))))))) is different from true [2024-11-08 23:43:00,470 WARN L851 $PredicateComparison]: unable to prove that (not (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_21| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_21| 0)) (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|) 256) 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_21| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (and (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0) (let ((.cse0 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (<= 128 .cse0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_21| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_21| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_21| 127) (= (mod (+ .cse0 (- 256)) |v_ULTIMATE.start_gcd_test_~a#1_21|) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|)))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_21| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_21| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_21| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|) (= (mod (mod .cse0 |v_ULTIMATE.start_gcd_test_~a#1_21|) 256) 0))) (<= .cse0 127))))))) is different from false [2024-11-08 23:43:00,518 WARN L851 $PredicateComparison]: unable to prove that (and (not (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_21| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_21| 0)) (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|) 256) 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_21| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (and (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0) (let ((.cse0 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (<= 128 .cse0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_21| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_21| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_21| 127) (= (mod (+ .cse0 (- 256)) |v_ULTIMATE.start_gcd_test_~a#1_21|) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|)))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_21| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_21| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_21| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_21|) (= (mod (mod .cse0 |v_ULTIMATE.start_gcd_test_~a#1_21|) 256) 0))) (<= .cse0 127))))))) (not (or (= |c_ULTIMATE.start_main1_~g~0#1| |c_ULTIMATE.start_main1_~x~0#1|) (< |c_ULTIMATE.start_main1_~x~0#1| 0)))) is different from false [2024-11-08 23:44:10,376 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-08 23:44:10,377 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.negatePredicate(CodeChecker.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.isSatEdge(UltimateChecker.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.connectOutgoingIfSat(UltimateChecker.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.splitNode(UltimateChecker.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.codeCheck(UltimateChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:469) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 29 more [2024-11-08 23:44:10,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 101 [2024-11-08 23:44:10,382 INFO L158 Benchmark]: Toolchain (without parser) took 125071.44ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 101.7MB in the beginning and 134.0MB in the end (delta: -32.3MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-11-08 23:44:10,383 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 86.2MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:10,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.89ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 88.0MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:44:10,384 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.21ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 85.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:10,384 INFO L158 Benchmark]: Boogie Preprocessor took 25.61ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 84.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:10,385 INFO L158 Benchmark]: RCFGBuilder took 456.36ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 67.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:44:10,386 INFO L158 Benchmark]: CodeCheck took 124194.40ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 67.0MB in the beginning and 134.0MB in the end (delta: -66.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:10,389 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 86.2MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.89ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 88.0MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.21ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 85.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.61ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 84.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 456.36ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 67.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 124194.40ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 67.0MB in the beginning and 134.0MB in the end (delta: -66.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/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_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/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_86bf712e-3cd4-4333-bd90-fca439f26d6e/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 e401cb5a55548693b1ec0dc85ab970a5c443ca7f94bea25587ee110941770f7d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:44:12,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:44:12,646 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:44:12,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:44:12,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:44:12,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:44:12,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:44:12,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:44:12,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:44:12,720 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:44:12,721 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:44:12,721 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:44:12,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:44:12,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:44:12,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:44:12,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:44:12,726 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:44:12,726 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:44:12,727 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:44:12,727 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:44:12,727 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:44:12,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:44:12,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:44:12,732 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:44:12,733 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:44:12,733 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:44:12,733 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:12,734 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:44:12,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:44:12,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:12,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:44:12,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:44:12,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:44:12,737 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:44:12,738 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:12,738 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:44:12,739 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_86bf712e-3cd4-4333-bd90-fca439f26d6e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e401cb5a55548693b1ec0dc85ab970a5c443ca7f94bea25587ee110941770f7d [2024-11-08 23:44:13,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:44:13,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:44:13,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:44:13,218 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:44:13,220 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:44:13,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_3+newton_2_3.i Unable to find full path for "g++" [2024-11-08 23:44:15,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:44:15,452 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:44:15,453 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i [2024-11-08 23:44:15,464 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/data/fb2d5d8ab/7e012611e1d743ffb78f7eb3847346ad/FLAG9d8789619 [2024-11-08 23:44:15,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/data/fb2d5d8ab/7e012611e1d743ffb78f7eb3847346ad [2024-11-08 23:44:15,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:44:15,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:44:15,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:15,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:44:15,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:44:15,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:15" (1/1) ... [2024-11-08 23:44:15,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5922766d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:15, skipping insertion in model container [2024-11-08 23:44:15,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:15" (1/1) ... [2024-11-08 23:44:15,520 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:44:15,765 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_86bf712e-3cd4-4333-bd90-fca439f26d6e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i[1226,1239] [2024-11-08 23:44:15,810 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_86bf712e-3cd4-4333-bd90-fca439f26d6e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i[2841,2854] [2024-11-08 23:44:15,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:15,853 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:44:15,878 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_86bf712e-3cd4-4333-bd90-fca439f26d6e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i[1226,1239] [2024-11-08 23:44:15,892 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_86bf712e-3cd4-4333-bd90-fca439f26d6e/sv-benchmarks/c/combinations/gcd_3+newton_2_3.i[2841,2854] [2024-11-08 23:44:15,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:15,914 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:44:15,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:15 WrapperNode [2024-11-08 23:44:15,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:15,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:15,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:44:15,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:44:15,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:15" (1/1) ... [2024-11-08 23:44:15,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:15" (1/1) ... [2024-11-08 23:44:15,965 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2024-11-08 23:44:15,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:15,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:44:15,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:44:15,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:44:15,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:15" (1/1) ... [2024-11-08 23:44:15,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:15" (1/1) ... [2024-11-08 23:44:15,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:15" (1/1) ... [2024-11-08 23:44:15,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:15" (1/1) ... [2024-11-08 23:44:16,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:15" (1/1) ... [2024-11-08 23:44:16,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:15" (1/1) ... [2024-11-08 23:44:16,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:15" (1/1) ... [2024-11-08 23:44:16,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:15" (1/1) ... [2024-11-08 23:44:16,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:44:16,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:44:16,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:44:16,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:44:16,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:15" (1/1) ... [2024-11-08 23:44:16,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:16,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:44:16,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:44:16,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:44:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:44:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:44:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 23:44:16,104 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 23:44:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 23:44:16,105 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 23:44:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:44:16,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:44:16,201 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:44:16,203 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:44:42,826 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-08 23:44:42,827 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:44:42,915 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:44:42,916 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:44:42,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:42 BoogieIcfgContainer [2024-11-08 23:44:42,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:44:42,918 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:44:42,918 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:44:42,928 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:44:42,928 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:42" (1/1) ... [2024-11-08 23:44:42,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:44:42,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:42,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2024-11-08 23:44:42,996 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2024-11-08 23:44:43,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:44:43,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:43,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:43,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:43,003 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:43,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:44:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:43,109 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:43,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:44:43,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:44,060 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 23:44:44,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:44:44,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:44,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 42 transitions. [2024-11-08 23:44:44,870 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2024-11-08 23:44:44,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:44:44,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:44,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:44,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:44,877 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:44,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:44:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:44,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:44,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:44:44,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:45,129 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 23:44:45,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:45,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:45,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2024-11-08 23:44:45,414 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2024-11-08 23:44:45,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:44:45,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:45,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:45,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:45,418 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:45,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:44:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:45,628 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:45,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:44:45,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:53,333 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 23:44:53,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:45:14,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.03s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:45:27,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.15s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:45:31,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.36s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:45:31,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:31,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2024-11-08 23:45:31,660 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2024-11-08 23:45:31,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:45:31,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:31,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:31,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:31,665 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:31,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:45:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:32,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:32,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:45:32,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:25,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:46:25,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:08,491 WARN L286 SmtUtils]: Spent 12.09s on a formula simplification. DAG size of input: 50 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:48:27,785 WARN L286 SmtUtils]: Spent 5.85s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:49:21,558 WARN L286 SmtUtils]: Spent 7.63s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:49:38,756 WARN L286 SmtUtils]: Spent 6.65s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:49:48,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:49:59,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:50:10,478 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse0 (_ bv0 32)))) (or (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_24| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_24|))) (and (not (= (_ bv0 32) .cse3)) (= |c_ULTIMATE.start_gcd_test_~a#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse3))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))) (_ bv0 32)))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_24| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_24|))) (and (= ((_ extract 7 0) (bvsrem .cse0 .cse4)) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= (_ bv0 32) .cse4)) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse1))) (_ bv0 32))))) (not .cse2)))))) is different from false [2024-11-08 23:51:22,273 WARN L286 SmtUtils]: Spent 24.10s on a formula simplification. DAG size of input: 38 DAG size of output: 10 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:51:32,341 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse0 (_ bv0 32)))) (or (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_24| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_24|))) (and (not (= (_ bv0 32) .cse3)) (= |c_ULTIMATE.start_gcd_test_~a#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse3))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))) (_ bv0 32)))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_24| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_24|))) (and (= ((_ extract 7 0) (bvsrem .cse0 .cse4)) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= (_ bv0 32) .cse4)) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse1))) (_ bv0 32))))) (not .cse2))))))) is different from true [2024-11-08 23:51:42,477 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse0 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_24| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_24|))) (and (not (= (_ bv0 32) .cse3)) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1)))) (= ((_ extract 7 0) (bvsrem .cse0 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_24| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_24|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse4))) (not (= (_ bv0 32) .cse4)) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse1)))))))))))) is different from false [2024-11-08 23:52:51,056 WARN L286 SmtUtils]: Spent 24.30s on a formula simplification. DAG size of input: 38 DAG size of output: 10 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:53:01,129 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse0 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_24| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_24|))) (and (not (= (_ bv0 32) .cse3)) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1)))) (= ((_ extract 7 0) (bvsrem .cse0 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_24| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_24|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse4))) (not (= (_ bv0 32) .cse4)) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse1))))))))))))) is different from true [2024-11-08 23:53:01,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:01,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2024-11-08 23:53:01,284 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2024-11-08 23:53:01,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:53:01,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:01,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:01,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:01,289 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:01,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:53:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:01,652 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:02,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:53:02,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:13,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:53:13,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 23:53:13,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:13,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2024-11-08 23:53:13,268 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2024-11-08 23:53:13,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:53:13,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:13,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:13,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:13,272 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:13,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:53:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:13,620 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:14,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:53:14,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:26,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:53:26,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:26,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:26,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 73 transitions. [2024-11-08 23:53:26,526 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 73 transitions. [2024-11-08 23:53:26,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:53:26,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:26,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:26,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:26,531 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:26,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:53:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:26,890 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:27,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:53:27,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:40,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:53:40,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 23:53:40,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:40,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 73 transitions. [2024-11-08 23:53:40,162 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 73 transitions. [2024-11-08 23:53:40,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:53:40,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:40,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:40,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:40,184 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:40,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:53:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:40,653 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:41,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:53:41,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:54,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:53:54,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 23:53:54,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:54,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 42 states and 78 transitions. [2024-11-08 23:53:54,166 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 78 transitions. [2024-11-08 23:53:54,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:53:54,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:54,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:54,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:54,169 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:54,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:53:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:54,636 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:55,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:53:55,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:06,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:54:06,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:06,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:06,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 44 states and 91 transitions. [2024-11-08 23:54:06,415 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 91 transitions. [2024-11-08 23:54:06,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:54:06,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:06,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:06,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:06,419 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:06,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 23:54:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:06,809 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:08,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:54:08,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:21,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:54:21,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 23:54:21,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:21,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 45 states and 97 transitions. [2024-11-08 23:54:21,368 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 97 transitions. [2024-11-08 23:54:21,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:54:21,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:21,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:21,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:21,377 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:21,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 23:54:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:21,798 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:22,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:54:22,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:34,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:54:34,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 23:54:34,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:34,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 45 states and 97 transitions. [2024-11-08 23:54:34,655 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 97 transitions. [2024-11-08 23:54:34,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:54:34,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:34,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:34,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:34,660 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:34,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 23:54:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:35,037 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:35,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:54:35,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:46,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:54:46,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:46,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:46,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 45 states and 97 transitions. [2024-11-08 23:54:46,545 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 97 transitions. [2024-11-08 23:54:46,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:54:46,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:46,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:46,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:46,550 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:46,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 23:54:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:46,938 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:47,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:54:47,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:58,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:54:58,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:58,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 45 states and 97 transitions. [2024-11-08 23:54:58,930 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 97 transitions. [2024-11-08 23:54:58,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:54:58,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:58,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:58,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:58,935 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:58,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 23:54:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:59,332 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:00,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:55:00,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:12,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:55:12,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-08 23:55:12,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:12,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 45 states and 97 transitions. [2024-11-08 23:55:12,150 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 97 transitions. [2024-11-08 23:55:12,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:55:12,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:12,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:12,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:12,155 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:12,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 23:55:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:12,641 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:13,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 23:55:13,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:15,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:57:15,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bf712e-3cd4-4333-bd90-fca439f26d6e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0