./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_2_1.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_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/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_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/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_085f35a8-5785-4e20-9106-49e992458d96/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 dc4c84af925d120ea9b9db9aa78160f13c1157e642c02b4448c62c56bbe753dd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:02:52,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:02:52,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:02:52,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:02:52,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:02:52,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:02:52,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:02:52,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:02:52,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:02:52,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:02:52,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:02:52,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:02:52,389 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:02:52,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:02:52,389 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:02:52,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:02:52,390 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:02:52,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:02:52,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:02:52,390 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:02:52,390 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:02:52,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:02:52,390 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:02:52,390 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:02:52,391 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:02:52,391 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:02:52,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:02:52,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:02:52,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:02:52,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:02:52,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:02:52,391 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:02:52,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:02:52,392 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_085f35a8-5785-4e20-9106-49e992458d96/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 -> dc4c84af925d120ea9b9db9aa78160f13c1157e642c02b4448c62c56bbe753dd [2024-11-13 23:02:52,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:02:52,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:02:52,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:02:52,763 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:02:52,764 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:02:52,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_1+newton_2_1.i Unable to find full path for "g++" [2024-11-13 23:02:54,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:02:55,092 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:02:55,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i [2024-11-13 23:02:55,123 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/data/decf8376e/64f9078898a34517a0878ea7864dee3c/FLAG6883a97ab [2024-11-13 23:02:55,152 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/data/decf8376e/64f9078898a34517a0878ea7864dee3c [2024-11-13 23:02:55,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:02:55,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:02:55,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:02:55,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:02:55,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:02:55,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:02:55" (1/1) ... [2024-11-13 23:02:55,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a20d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:55, skipping insertion in model container [2024-11-13 23:02:55,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:02:55" (1/1) ... [2024-11-13 23:02:55,194 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:02:55,397 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_085f35a8-5785-4e20-9106-49e992458d96/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i[1226,1239] [2024-11-13 23:02:55,444 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_085f35a8-5785-4e20-9106-49e992458d96/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i[2807,2820] [2024-11-13 23:02:55,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:02:55,466 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:02:55,483 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_085f35a8-5785-4e20-9106-49e992458d96/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i[1226,1239] [2024-11-13 23:02:55,506 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_085f35a8-5785-4e20-9106-49e992458d96/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i[2807,2820] [2024-11-13 23:02:55,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:02:55,543 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:02:55,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:55 WrapperNode [2024-11-13 23:02:55,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:02:55,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:02:55,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:02:55,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:02:55,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:55" (1/1) ... [2024-11-13 23:02:55,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:55" (1/1) ... [2024-11-13 23:02:55,602 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-11-13 23:02:55,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:02:55,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:02:55,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:02:55,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:02:55,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:55" (1/1) ... [2024-11-13 23:02:55,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:55" (1/1) ... [2024-11-13 23:02:55,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:55" (1/1) ... [2024-11-13 23:02:55,618 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:55" (1/1) ... [2024-11-13 23:02:55,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:55" (1/1) ... [2024-11-13 23:02:55,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:55" (1/1) ... [2024-11-13 23:02:55,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:55" (1/1) ... [2024-11-13 23:02:55,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:55" (1/1) ... [2024-11-13 23:02:55,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:02:55,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:02:55,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:02:55,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:02:55,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:55" (1/1) ... [2024-11-13 23:02:55,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:02:55,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:02:55,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:02:55,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:02:55,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:02:55,721 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 23:02:55,722 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 23:02:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 23:02:55,723 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 23:02:55,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:02:55,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:02:55,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:02:55,820 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:02:55,823 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:02:56,056 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 23:02:56,057 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:02:56,113 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:02:56,114 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:02:56,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:02:56 BoogieIcfgContainer [2024-11-13 23:02:56,114 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:02:56,115 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:02:56,115 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:02:56,126 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:02:56,126 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:02:56" (1/1) ... [2024-11-13 23:02:56,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:02:56,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:56,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-11-13 23:02:56,197 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-13 23:02:56,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:02:56,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:02:56,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:02:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:56,687 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 23:02:56,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:56,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2024-11-13 23:02:56,758 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2024-11-13 23:02:56,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:02:56,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:02:56,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:02:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:57,080 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 23:02:57,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:57,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-13 23:02:57,310 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-13 23:02:57,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:02:57,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:02:57,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:02:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:03:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:06,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 23:03:06,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:03:12,579 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 23:03:21,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.77s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 23:03:23,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:23,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-11-13 23:03:23,791 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-11-13 23:03:23,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 23:03:23,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:23,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:03:23,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:03:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:03:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:03:23,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:03:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:03:23,902 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-13 23:03:23,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:03:23 ImpRootNode [2024-11-13 23:03:23,929 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:03:23,929 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:03:23,929 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:03:23,930 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:03:23,930 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:02:56" (3/4) ... [2024-11-13 23:03:23,933 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:03:23,934 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:03:23,935 INFO L158 Benchmark]: Toolchain (without parser) took 28777.90ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 53.0MB in the end (delta: 41.9MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2024-11-13 23:03:23,935 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:03:23,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.55ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 83.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:03:23,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.30ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 81.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:03:23,937 INFO L158 Benchmark]: Boogie Preprocessor took 38.91ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.5MB in the end (delta: 830.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:03:23,937 INFO L158 Benchmark]: RCFGBuilder took 469.19ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 63.0MB in the end (delta: 17.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:03:23,938 INFO L158 Benchmark]: CodeCheck took 27813.74ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 53.0MB in the end (delta: 10.0MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-13 23:03:23,938 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 117.4MB. Free memory was 53.0MB in the beginning and 53.0MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:03:23,940 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: 27.8s, 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, 8.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 8.0s 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, 167 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 8.8s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 1 QuantifiedInterpolants, 110 SizeOfPredicates, 1 NumberOfNonLiveVariables, 72 ConjunctsInSsa, 24 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 93, overapproximation of someBinaryArithmeticFLOAToperation at line 80, overapproximation of someBinaryArithmeticFLOAToperation at line 95, overapproximation of someBinaryArithmeticFLOAToperation at line 85. Possible FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -0.2f && IN < 0.2f) [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 0.39ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.55ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 83.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.30ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 81.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.91ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.5MB in the end (delta: 830.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 469.19ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 63.0MB in the end (delta: 17.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 27813.74ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 53.0MB in the end (delta: 10.0MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 117.4MB. Free memory was 53.0MB in the beginning and 53.0MB in the end (delta: 21.0kB). 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 23:03:23,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/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_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/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_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/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_085f35a8-5785-4e20-9106-49e992458d96/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 dc4c84af925d120ea9b9db9aa78160f13c1157e642c02b4448c62c56bbe753dd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:03:26,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:03:26,634 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 23:03:26,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:03:26,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:03:26,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:03:26,690 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:03:26,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:03:26,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:03:26,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:03:26,693 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:03:26,693 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:03:26,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:03:26,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:03:26,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:03:26,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:03:26,694 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:03:26,694 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:03:26,694 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:03:26,694 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:03:26,694 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:03:26,694 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:03:26,694 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:03:26,694 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:03:26,694 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:03:26,694 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:03:26,695 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:03:26,695 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:03:26,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:03:26,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:03:26,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:03:26,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:03:26,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:03:26,695 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:03:26,695 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:03:26,695 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:03:26,696 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_085f35a8-5785-4e20-9106-49e992458d96/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 -> dc4c84af925d120ea9b9db9aa78160f13c1157e642c02b4448c62c56bbe753dd [2024-11-13 23:03:27,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:03:27,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:03:27,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:03:27,113 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:03:27,114 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:03:27,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_1+newton_2_1.i Unable to find full path for "g++" [2024-11-13 23:03:29,290 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:03:29,579 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:03:29,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i [2024-11-13 23:03:29,590 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/data/dfdd83687/aabc08a22a1748d5b289ca76cb1ed292/FLAGe13b97259 [2024-11-13 23:03:29,627 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/data/dfdd83687/aabc08a22a1748d5b289ca76cb1ed292 [2024-11-13 23:03:29,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:03:29,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:03:29,637 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:03:29,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:03:29,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:03:29,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:29" (1/1) ... [2024-11-13 23:03:29,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d912128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:29, skipping insertion in model container [2024-11-13 23:03:29,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:29" (1/1) ... [2024-11-13 23:03:29,679 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:03:29,906 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_085f35a8-5785-4e20-9106-49e992458d96/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i[1226,1239] [2024-11-13 23:03:29,967 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_085f35a8-5785-4e20-9106-49e992458d96/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i[2807,2820] [2024-11-13 23:03:29,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:03:29,994 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:03:30,013 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_085f35a8-5785-4e20-9106-49e992458d96/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i[1226,1239] [2024-11-13 23:03:30,038 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_085f35a8-5785-4e20-9106-49e992458d96/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i[2807,2820] [2024-11-13 23:03:30,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:03:30,068 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:03:30,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:30 WrapperNode [2024-11-13 23:03:30,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:03:30,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:03:30,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:03:30,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:03:30,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:30" (1/1) ... [2024-11-13 23:03:30,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:30" (1/1) ... [2024-11-13 23:03:30,130 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2024-11-13 23:03:30,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:03:30,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:03:30,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:03:30,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:03:30,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:30" (1/1) ... [2024-11-13 23:03:30,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:30" (1/1) ... [2024-11-13 23:03:30,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:30" (1/1) ... [2024-11-13 23:03:30,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:30" (1/1) ... [2024-11-13 23:03:30,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:30" (1/1) ... [2024-11-13 23:03:30,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:30" (1/1) ... [2024-11-13 23:03:30,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:30" (1/1) ... [2024-11-13 23:03:30,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:30" (1/1) ... [2024-11-13 23:03:30,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:03:30,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:03:30,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:03:30,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:03:30,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:30" (1/1) ... [2024-11-13 23:03:30,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:03:30,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:03:30,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:03:30,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:03:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:03:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:03:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 23:03:30,264 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 23:03:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 23:03:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 23:03:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:03:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:03:30,345 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:03:30,347 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:03:56,366 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 23:03:56,367 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:03:56,485 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:03:56,486 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:03:56,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:56 BoogieIcfgContainer [2024-11-13 23:03:56,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:03:56,488 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:03:56,488 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:03:56,501 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:03:56,502 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:56" (1/1) ... [2024-11-13 23:03:56,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:03:56,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:56,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-11-13 23:03:56,591 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-13 23:03:56,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:03:56,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:56,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:03:56,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:03:56,603 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:03:56,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:03:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:56,854 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:03:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:56,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:03:56,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:03:57,153 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 23:03:57,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:03:57,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:57,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-11-13 23:03:57,436 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-11-13 23:03:57,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:03:57,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:57,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:03:57,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:03:57,439 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:03:57,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:03:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:57,851 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:03:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:57,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:03:57,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:03:58,442 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 23:03:58,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 23:04:00,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:00,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-11-13 23:04:00,588 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-11-13 23:04:00,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:04:00,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:00,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:04:00,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:04:00,596 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:04:00,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 23:04:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:01,695 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:04:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:04,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:04:04,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:04:16,958 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 23:04:16,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 23:04:29,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:04:35,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.19s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:04:41,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:41,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-13 23:04:41,435 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-13 23:04:41,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:04:41,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:41,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:04:41,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:04:41,438 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:04:41,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 23:04:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:42,517 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:04:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:45,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:04:45,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:04:58,955 WARN L286 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 31 DAG size of output: 19 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:05:07,949 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 23:05:07,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 23:05:33,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.15s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:05:37,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:05:40,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:05:43,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:05:45,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:05:47,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:05:48,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:05:48,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-11-13 23:05:48,010 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-11-13 23:05:48,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 23:05:48,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:05:48,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:05:48,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:05:48,013 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:05:48,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_085f35a8-5785-4e20-9106-49e992458d96/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process