./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_3_8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_3_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm --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 fb60664eb219cfca617a3a97a655d40aa192b004d90693207c446e4cc68b6381 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:16:01,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:16:01,872 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:16:01,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:16:01,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:16:01,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:16:01,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:16:01,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:16:01,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:16:01,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:16:01,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:16:01,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:16:01,914 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:16:01,914 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:16:01,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:16:01,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:16:01,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:16:01,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:16:01,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:16:01,914 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:16:01,915 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:16:01,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:16:01,915 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:16:01,915 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:16:01,915 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:16:01,915 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:16:01,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:16:01,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:16:01,915 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:16:01,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:16:01,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:16:01,916 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:16:01,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:16:01,918 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm 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 -> fb60664eb219cfca617a3a97a655d40aa192b004d90693207c446e4cc68b6381 [2024-11-13 21:16:02,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:16:02,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:16:02,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:16:02,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:16:02,246 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:16:02,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_1+newton_3_8.i Unable to find full path for "g++" [2024-11-13 21:16:04,090 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:16:04,306 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:16:04,307 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i [2024-11-13 21:16:04,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/data/04ac9e03f/1610d1a6bc4c465b9806b65a348765ce/FLAG300dbfee9 [2024-11-13 21:16:04,329 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/data/04ac9e03f/1610d1a6bc4c465b9806b65a348765ce [2024-11-13 21:16:04,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:16:04,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:16:04,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:16:04,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:16:04,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:16:04,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bbf52ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04, skipping insertion in model container [2024-11-13 21:16:04,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:16:04,550 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_fba8f922-a016-4ae5-9850-adc8295f9231/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i[1226,1239] [2024-11-13 21:16:04,594 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_fba8f922-a016-4ae5-9850-adc8295f9231/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i[2828,2841] [2024-11-13 21:16:04,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:16:04,612 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:16:04,625 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_fba8f922-a016-4ae5-9850-adc8295f9231/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i[1226,1239] [2024-11-13 21:16:04,645 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_fba8f922-a016-4ae5-9850-adc8295f9231/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i[2828,2841] [2024-11-13 21:16:04,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:16:04,662 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:16:04,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04 WrapperNode [2024-11-13 21:16:04,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:16:04,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:16:04,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:16:04,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:16:04,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,679 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,710 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 90 [2024-11-13 21:16:04,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:16:04,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:16:04,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:16:04,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:16:04,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:16:04,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:16:04,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:16:04,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:16:04,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:16:04,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:16:04,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:16:04,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:16:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:16:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 21:16:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 21:16:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 21:16:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 21:16:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:16:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:16:04,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:16:04,906 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:16:04,908 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:16:05,154 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-13 21:16:05,155 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:16:05,229 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:16:05,229 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:16:05,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:16:05 BoogieIcfgContainer [2024-11-13 21:16:05,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:16:05,230 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:16:05,231 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:16:05,241 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:16:05,241 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:16:05" (1/1) ... [2024-11-13 21:16:05,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:16:05,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:05,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-13 21:16:05,316 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-13 21:16:05,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:16:05,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:05,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:05,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:16:05,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:05,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2024-11-13 21:16:05,807 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-13 21:16:05,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:16:05,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:05,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:16:06,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:06,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2024-11-13 21:16:06,274 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2024-11-13 21:16:06,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:16:06,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:06,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:16:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:07,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 21:16:07,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:14,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:16:24,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.46s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:16:25,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:25,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-11-13 21:16:25,419 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-11-13 21:16:25,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:16:25,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:25,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:16:25,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:16:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:16:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:16:25,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:16:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:16:25,501 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-13 21:16:25,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:16:25 ImpRootNode [2024-11-13 21:16:25,534 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:16:25,534 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:16:25,535 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:16:25,535 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:16:25,535 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:16:05" (3/4) ... [2024-11-13 21:16:25,538 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:16:25,539 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:16:25,540 INFO L158 Benchmark]: Toolchain (without parser) took 21206.79ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 40.3MB in the end (delta: 53.4MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2024-11-13 21:16:25,540 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 74.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:16:25,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.96ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 81.5MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:16:25,541 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.99ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:16:25,541 INFO L158 Benchmark]: Boogie Preprocessor took 28.97ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 79.0MB in the end (delta: 892.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:16:25,542 INFO L158 Benchmark]: RCFGBuilder took 482.27ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 61.6MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:16:25,542 INFO L158 Benchmark]: CodeCheck took 20303.42ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 40.3MB in the end (delta: 21.3MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-11-13 21:16:25,542 INFO L158 Benchmark]: Witness Printer took 4.31ms. Allocated memory is still 117.4MB. Free memory was 40.3MB in the beginning and 40.3MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:16:25,545 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 20.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 8.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 8.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 15 mSDtfsCounter, 68 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 1 QuantifiedInterpolants, 116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 72 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2/4 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 102]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 95, overapproximation of someBinaryArithmeticFLOAToperation at line 93, overapproximation of someBinaryArithmeticFLOAToperation at line 85, overapproximation of someBinaryArithmeticFLOAToperation at line 97, overapproximation of someBinaryArithmeticFLOAToperation at line 80. Possible FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L93] CALL, EXPR f(IN) VAL [\old(x)=2] [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L93] RET, EXPR f(IN) VAL [IN=2] [L93] CALL, EXPR fp(IN) VAL [\old(x)=2] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L93] RET, EXPR fp(IN) VAL [IN=2] [L93] float x = IN - f(IN)/fp(IN); [L95] CALL, EXPR f(x) VAL [\old(x)=3] [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L95] RET, EXPR f(x) VAL [IN=2, x=3] [L95] CALL, EXPR fp(x) VAL [\old(x)=3] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L95] RET, EXPR fp(x) VAL [IN=2, x=3] [L95] x = x - f(x)/fp(x) [L97] CALL, EXPR f(x) VAL [\old(x)=4] [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L97] RET, EXPR f(x) VAL [IN=2, x=4] [L97] CALL, EXPR fp(x) VAL [\old(x)=4] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L97] RET, EXPR fp(x) VAL [IN=2, x=4] [L97] x = x - f(x)/fp(x) [L101] COND TRUE !(x < 0.1) VAL [IN=2] [L102] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 74.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.96ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 81.5MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.99ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.97ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 79.0MB in the end (delta: 892.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 482.27ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 61.6MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 20303.42ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 40.3MB in the end (delta: 21.3MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Witness Printer took 4.31ms. Allocated memory is still 117.4MB. Free memory was 40.3MB in the beginning and 40.3MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:16:25,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_3_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm --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 fb60664eb219cfca617a3a97a655d40aa192b004d90693207c446e4cc68b6381 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:16:28,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:16:28,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:16:28,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:16:28,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:16:28,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:16:28,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:16:28,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:16:28,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:16:28,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:16:28,304 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:16:28,304 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:16:28,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:16:28,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:16:28,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:16:28,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:16:28,304 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:16:28,304 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:16:28,305 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:16:28,305 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:16:28,305 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:16:28,305 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:16:28,305 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:16:28,305 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:16:28,305 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:16:28,305 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:16:28,305 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:28,305 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:16:28,306 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:16:28,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:16:28,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:16:28,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:16:28,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:16:28,307 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:16:28,307 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:28,307 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:16:28,307 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm 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 -> fb60664eb219cfca617a3a97a655d40aa192b004d90693207c446e4cc68b6381 [2024-11-13 21:16:28,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:16:28,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:16:28,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:16:28,627 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:16:28,627 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:16:28,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_1+newton_3_8.i Unable to find full path for "g++" [2024-11-13 21:16:30,559 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:16:30,787 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:16:30,787 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i [2024-11-13 21:16:30,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/data/f1c0f3500/ce665f8bdf9c4641ad8c53e16d46e2dc/FLAGaac7e8322 [2024-11-13 21:16:30,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/data/f1c0f3500/ce665f8bdf9c4641ad8c53e16d46e2dc [2024-11-13 21:16:30,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:16:30,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:16:30,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:16:30,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:16:30,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:16:30,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:16:30" (1/1) ... [2024-11-13 21:16:30,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272b56d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:30, skipping insertion in model container [2024-11-13 21:16:30,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:16:30" (1/1) ... [2024-11-13 21:16:30,859 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:16:31,022 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_fba8f922-a016-4ae5-9850-adc8295f9231/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i[1226,1239] [2024-11-13 21:16:31,068 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_fba8f922-a016-4ae5-9850-adc8295f9231/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i[2828,2841] [2024-11-13 21:16:31,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:16:31,089 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:16:31,106 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_fba8f922-a016-4ae5-9850-adc8295f9231/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i[1226,1239] [2024-11-13 21:16:31,128 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_fba8f922-a016-4ae5-9850-adc8295f9231/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i[2828,2841] [2024-11-13 21:16:31,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:16:31,155 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:16:31,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:31 WrapperNode [2024-11-13 21:16:31,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:16:31,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:16:31,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:16:31,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:16:31,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:31" (1/1) ... [2024-11-13 21:16:31,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:31" (1/1) ... [2024-11-13 21:16:31,204 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-11-13 21:16:31,205 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:16:31,205 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:16:31,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:16:31,206 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:16:31,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:31" (1/1) ... [2024-11-13 21:16:31,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:31" (1/1) ... [2024-11-13 21:16:31,219 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:31" (1/1) ... [2024-11-13 21:16:31,219 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:31" (1/1) ... [2024-11-13 21:16:31,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:31" (1/1) ... [2024-11-13 21:16:31,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:31" (1/1) ... [2024-11-13 21:16:31,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:31" (1/1) ... [2024-11-13 21:16:31,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:31" (1/1) ... [2024-11-13 21:16:31,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:16:31,243 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:16:31,243 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:16:31,243 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:16:31,247 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:31" (1/1) ... [2024-11-13 21:16:31,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:16:31,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:16:31,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:16:31,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:16:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:16:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:16:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 21:16:31,301 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 21:16:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 21:16:31,301 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 21:16:31,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:16:31,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:16:31,390 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:16:31,392 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:17:05,465 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 21:17:05,465 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:17:05,530 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:17:05,531 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:17:05,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:17:05 BoogieIcfgContainer [2024-11-13 21:17:05,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:17:05,532 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:17:05,532 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:17:05,543 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:17:05,543 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:17:05" (1/1) ... [2024-11-13 21:17:05,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:17:05,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:05,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-13 21:17:05,600 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-13 21:17:05,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:17:05,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:05,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:05,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:17:05,608 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:17:05,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:17:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:05,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:17:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:05,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:17:05,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:05,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:05,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:17:06,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:06,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-11-13 21:17:06,249 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-11-13 21:17:06,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:17:06,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:06,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:06,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:17:06,252 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:17:06,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:17:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:06,544 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:17:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:06,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:17:06,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:07,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:07,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:17:08,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:08,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-11-13 21:17:08,994 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-13 21:17:08,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:17:08,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:08,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:08,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:17:08,997 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:17:08,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:17:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:09,949 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:17:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:12,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:17:12,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:22,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:22,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:17:31,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:17:35,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:17:39,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:39,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-11-13 21:17:39,336 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-11-13 21:17:39,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:17:39,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:39,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:39,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:17:39,340 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:17:39,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:17:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:40,236 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:17:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:43,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:17:43,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:18:00,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:18:00,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:18:19,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.68s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:18:23,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:18:26,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:18:28,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:18:30,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:18:32,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:18:32,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:32,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-11-13 21:18:32,839 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-11-13 21:18:32,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:18:32,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:32,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:18:32,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:18:32,842 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:18:32,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba8f922-a016-4ae5-9850-adc8295f9231/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process