./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_2_7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 184de52a0dff4eb1d8c7e38c30c44a1d55b19bad29c4bb3af8f1421516bacfd9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:42:11,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:42:11,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:42:11,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:42:11,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:42:11,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:42:11,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:42:11,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:42:11,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:42:11,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:42:11,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:42:11,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:42:11,457 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:42:11,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:42:11,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:42:11,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:42:11,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:42:11,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:42:11,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:42:11,458 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:42:11,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:42:11,458 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:42:11,458 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:42:11,458 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:42:11,458 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:42:11,458 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:42:11,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:42:11,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:42:11,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:42:11,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:42:11,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:42:11,459 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:42:11,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:42:11,459 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_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 184de52a0dff4eb1d8c7e38c30c44a1d55b19bad29c4bb3af8f1421516bacfd9 [2024-12-06 03:42:11,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:42:11,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:42:11,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:42:11,680 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:42:11,680 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:42:11,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_1+newton_2_7.i [2024-12-06 03:42:14,290 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/data/7c345b449/e27b58f30309473ab12d0a9e593bfd16/FLAG7ddba8194 [2024-12-06 03:42:14,510 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:42:14,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i [2024-12-06 03:42:14,518 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/data/7c345b449/e27b58f30309473ab12d0a9e593bfd16/FLAG7ddba8194 [2024-12-06 03:42:14,531 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/data/7c345b449/e27b58f30309473ab12d0a9e593bfd16 [2024-12-06 03:42:14,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:42:14,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:42:14,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:42:14,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:42:14,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:42:14,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:42:14" (1/1) ... [2024-12-06 03:42:14,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb11695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:14, skipping insertion in model container [2024-12-06 03:42:14,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:42:14" (1/1) ... [2024-12-06 03:42:14,553 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:42:14,659 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_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i[1226,1239] [2024-12-06 03:42:14,683 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_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i[2807,2820] [2024-12-06 03:42:14,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:42:14,693 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:42:14,703 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_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i[1226,1239] [2024-12-06 03:42:14,712 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_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i[2807,2820] [2024-12-06 03:42:14,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:42:14,724 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:42:14,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:14 WrapperNode [2024-12-06 03:42:14,725 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:42:14,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:42:14,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:42:14,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:42:14,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:14" (1/1) ... [2024-12-06 03:42:14,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:14" (1/1) ... [2024-12-06 03:42:14,753 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-12-06 03:42:14,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:42:14,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:42:14,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:42:14,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:42:14,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:14" (1/1) ... [2024-12-06 03:42:14,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:14" (1/1) ... [2024-12-06 03:42:14,762 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:14" (1/1) ... [2024-12-06 03:42:14,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:14" (1/1) ... [2024-12-06 03:42:14,766 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:14" (1/1) ... [2024-12-06 03:42:14,767 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:14" (1/1) ... [2024-12-06 03:42:14,770 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:14" (1/1) ... [2024-12-06 03:42:14,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:14" (1/1) ... [2024-12-06 03:42:14,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:14" (1/1) ... [2024-12-06 03:42:14,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:42:14,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:42:14,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:42:14,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:42:14,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:14" (1/1) ... [2024-12-06 03:42:14,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:42:14,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:42:14,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:42:14,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:42:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:42:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 03:42:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 03:42:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 03:42:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 03:42:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:42:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:42:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:42:14,875 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:42:14,876 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:42:15,040 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 03:42:15,040 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:42:15,091 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:42:15,091 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:42:15,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:42:15 BoogieIcfgContainer [2024-12-06 03:42:15,092 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:42:15,092 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:42:15,092 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:42:15,102 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:42:15,102 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:42:15" (1/1) ... [2024-12-06 03:42:15,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:42:15,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:42:15,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-06 03:42:15,158 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-06 03:42:15,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:42:15,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:42:15,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:42:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:42:15,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:42:15,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:42:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-12-06 03:42:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-12-06 03:42:15,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:42:15,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:42:15,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:42:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:42:15,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:42:15,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:42:15,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-12-06 03:42:15,879 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-12-06 03:42:15,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:42:15,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:42:15,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:42:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:42:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:42:22,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 03:42:22,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:42:28,456 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:42:36,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.42s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 03:42:36,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:42:36,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2024-12-06 03:42:36,526 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-12-06 03:42:36,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:42:36,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:42:36,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:42:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:42:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:42:45,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 03:42:45,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:42:50,581 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:42:51,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:42:51,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-12-06 03:42:51,463 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-12-06 03:42:51,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 03:42:51,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:42:51,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:42:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:42:51,470 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:42:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:42:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:42:51,495 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:42:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:42:51,511 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-12-06 03:42:51,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:42:51 ImpRootNode [2024-12-06 03:42:51,526 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:42:51,526 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:42:51,526 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:42:51,526 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:42:51,527 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:42:15" (3/4) ... [2024-12-06 03:42:51,528 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:42:51,529 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:42:51,530 INFO L158 Benchmark]: Toolchain (without parser) took 36995.27ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 116.1MB in the beginning and 109.1MB in the end (delta: 7.0MB). Peak memory consumption was 147.2MB. Max. memory is 16.1GB. [2024-12-06 03:42:51,530 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:42:51,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.91ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 104.0MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:42:51,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.81ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 102.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:42:51,531 INFO L158 Benchmark]: Boogie Preprocessor took 20.78ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 101.6MB in the end (delta: 848.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:42:51,531 INFO L158 Benchmark]: RCFGBuilder took 316.32ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 83.7MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:42:51,532 INFO L158 Benchmark]: CodeCheck took 36433.47ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 83.7MB in the beginning and 109.2MB in the end (delta: -25.5MB). Peak memory consumption was 113.6MB. Max. memory is 16.1GB. [2024-12-06 03:42:51,532 INFO L158 Benchmark]: Witness Printer took 2.79ms. Allocated memory is still 285.2MB. Free memory was 109.2MB in the beginning and 109.1MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:42:51,534 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 36.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 14.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 14.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 20 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 274 GetRequests, 240 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 15.6s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 25 ConstructedInterpolants, 2 QuantifiedInterpolants, 208 SizeOfPredicates, 0 NumberOfNonLiveVariables, 136 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 4/7 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 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 85, overapproximation of someBinaryArithmeticFLOAToperation at line 93, overapproximation of someBinaryArithmeticFLOAToperation at line 95, 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 > -1.4f && IN < 1.4f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -1.4f && IN < 1.4f) [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) [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 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.91ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 104.0MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.81ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 102.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.78ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 101.6MB in the end (delta: 848.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 316.32ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 83.7MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 36433.47ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 83.7MB in the beginning and 109.2MB in the end (delta: -25.5MB). Peak memory consumption was 113.6MB. Max. memory is 16.1GB. * Witness Printer took 2.79ms. Allocated memory is still 285.2MB. Free memory was 109.2MB in the beginning and 109.1MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:42:51,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 184de52a0dff4eb1d8c7e38c30c44a1d55b19bad29c4bb3af8f1421516bacfd9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:42:53,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:42:53,503 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:42:53,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:42:53,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:42:53,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:42:53,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:42:53,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:42:53,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:42:53,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:42:53,527 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:42:53,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:42:53,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:42:53,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:42:53,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:42:53,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:42:53,527 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:42:53,527 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:42:53,527 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:42:53,527 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:42:53,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:42:53,528 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:42:53,528 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:42:53,528 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:42:53,528 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:42:53,528 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:42:53,528 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:42:53,528 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:42:53,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:42:53,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:42:53,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:42:53,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:42:53,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:42:53,529 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:42:53,529 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:42:53,529 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:42:53,529 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_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 184de52a0dff4eb1d8c7e38c30c44a1d55b19bad29c4bb3af8f1421516bacfd9 [2024-12-06 03:42:53,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:42:53,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:42:53,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:42:53,762 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:42:53,762 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:42:53,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_1+newton_2_7.i [2024-12-06 03:42:56,433 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/data/b2766f093/4928a0426c774415885d366f1a3a18bc/FLAG5b5b24b0c [2024-12-06 03:42:56,595 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:42:56,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i [2024-12-06 03:42:56,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/data/b2766f093/4928a0426c774415885d366f1a3a18bc/FLAG5b5b24b0c [2024-12-06 03:42:56,981 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/data/b2766f093/4928a0426c774415885d366f1a3a18bc [2024-12-06 03:42:56,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:42:56,984 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:42:56,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:42:56,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:42:56,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:42:56,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:42:56" (1/1) ... [2024-12-06 03:42:56,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57942903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:56, skipping insertion in model container [2024-12-06 03:42:56,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:42:56" (1/1) ... [2024-12-06 03:42:57,000 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:42:57,128 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_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i[1226,1239] [2024-12-06 03:42:57,154 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_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i[2807,2820] [2024-12-06 03:42:57,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:42:57,166 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:42:57,176 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_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i[1226,1239] [2024-12-06 03:42:57,185 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_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i[2807,2820] [2024-12-06 03:42:57,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:42:57,198 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:42:57,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57 WrapperNode [2024-12-06 03:42:57,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:42:57,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:42:57,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:42:57,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:42:57,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,231 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2024-12-06 03:42:57,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:42:57,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:42:57,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:42:57,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:42:57,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,250 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,256 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:42:57,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:42:57,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:42:57,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:42:57,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:42:57" (1/1) ... [2024-12-06 03:42:57,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:42:57,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:42:57,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:42:57,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:42:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:42:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:42:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 03:42:57,315 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 03:42:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 03:42:57,315 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 03:42:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:42:57,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:42:57,379 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:42:57,380 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:43:20,885 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 03:43:20,885 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:43:20,943 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:43:20,943 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:43:20,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:43:20 BoogieIcfgContainer [2024-12-06 03:43:20,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:43:20,944 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:43:20,944 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:43:20,951 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:43:20,951 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:43:20" (1/1) ... [2024-12-06 03:43:20,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:43:20,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:43:20,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-06 03:43:20,992 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-06 03:43:20,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:43:20,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:43:20,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:43:20,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:43:20,997 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:43:20,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:43:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:43:21,120 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:43:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:43:21,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 03:43:21,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:43:21,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:43:21,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:43:21,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:43:21,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-12-06 03:43:21,515 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-12-06 03:43:21,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:43:21,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:43:21,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:43:21,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:43:21,517 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:43:21,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:43:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:43:21,760 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:43:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:43:21,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:43:21,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:43:22,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:43:22,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:43:23,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:43:23,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-12-06 03:43:23,824 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-12-06 03:43:23,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:43:23,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:43:23,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:43:23,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:43:23,827 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:43:23,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:43:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:43:24,493 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:43:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:43:26,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:43:26,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:43:35,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:43:35,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 03:43:45,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:43:47,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:43:49,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:43:49,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-12-06 03:43:49,895 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-12-06 03:43:49,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:43:49,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:43:49,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:43:49,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:43:49,897 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:43:49,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:43:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:43:50,544 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:43:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:43:52,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:43:52,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:44:02,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:44:02,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:44:16,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.63s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:44:20,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.90s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:44:22,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:44:23,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:44:25,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:44:26,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:44:26,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:44:26,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-12-06 03:44:26,665 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-12-06 03:44:26,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 03:44:26,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:44:26,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:44:26,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:44:26,667 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:44:26,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5226255-68cb-40d5-8063-6a9e9c3b5d7f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process