./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c --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_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/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_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/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_8bcec229-53b4-4f99-a082-a634c808dfb9/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 ee2daa1dfbe0d64b8ede4504c07bcca5b6f9048af3b92abbef97ab933225d42e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:47:29,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:47:29,089 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:47:29,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:47:29,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:47:29,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:47:29,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:47:29,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:47:29,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:47:29,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:47:29,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:47:29,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:47:29,116 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:47:29,116 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:47:29,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:47:29,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:47:29,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:47:29,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:47:29,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:47:29,116 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:47:29,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:47:29,116 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:47:29,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:47:29,116 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:47:29,117 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:47:29,117 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:47:29,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:47:29,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:47:29,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:47:29,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:47:29,117 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:47:29,117 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:47:29,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:47:29,117 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_8bcec229-53b4-4f99-a082-a634c808dfb9/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 -> ee2daa1dfbe0d64b8ede4504c07bcca5b6f9048af3b92abbef97ab933225d42e [2024-12-05 23:47:29,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:47:29,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:47:29,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:47:29,368 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:47:29,368 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:47:29,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c [2024-12-05 23:47:31,976 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/data/42efee7dc/92331737a58f4f30b89166b18ec7f35e/FLAG50a8e3ec6 [2024-12-05 23:47:32,171 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:47:32,171 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c [2024-12-05 23:47:32,176 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/data/42efee7dc/92331737a58f4f30b89166b18ec7f35e/FLAG50a8e3ec6 [2024-12-05 23:47:32,546 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/data/42efee7dc/92331737a58f4f30b89166b18ec7f35e [2024-12-05 23:47:32,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:47:32,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:47:32,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:47:32,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:47:32,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:47:32,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:47:32" (1/1) ... [2024-12-05 23:47:32,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d56d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:32, skipping insertion in model container [2024-12-05 23:47:32,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:47:32" (1/1) ... [2024-12-05 23:47:32,569 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:47:32,697 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_8bcec229-53b4-4f99-a082-a634c808dfb9/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c[537,550] [2024-12-05 23:47:32,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:47:32,720 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:47:32,730 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_8bcec229-53b4-4f99-a082-a634c808dfb9/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c[537,550] [2024-12-05 23:47:32,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:47:32,746 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:47:32,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:32 WrapperNode [2024-12-05 23:47:32,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:47:32,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:47:32,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:47:32,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:47:32,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:32" (1/1) ... [2024-12-05 23:47:32,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:32" (1/1) ... [2024-12-05 23:47:32,771 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-12-05 23:47:32,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:47:32,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:47:32,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:47:32,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:47:32,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:32" (1/1) ... [2024-12-05 23:47:32,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:32" (1/1) ... [2024-12-05 23:47:32,778 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:32" (1/1) ... [2024-12-05 23:47:32,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:32" (1/1) ... [2024-12-05 23:47:32,780 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:32" (1/1) ... [2024-12-05 23:47:32,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:32" (1/1) ... [2024-12-05 23:47:32,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:32" (1/1) ... [2024-12-05 23:47:32,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:32" (1/1) ... [2024-12-05 23:47:32,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:32" (1/1) ... [2024-12-05 23:47:32,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:47:32,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:47:32,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:47:32,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:47:32,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:47:32" (1/1) ... [2024-12-05 23:47:32,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:47:32,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:47:32,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:47:32,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:47:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:47:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:47:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:47:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:47:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:47:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:47:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:47:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:47:32,898 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:47:32,900 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:47:33,027 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-05 23:47:33,027 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:47:33,064 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:47:33,065 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:47:33,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:47:33 BoogieIcfgContainer [2024-12-05 23:47:33,065 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:47:33,066 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:47:33,066 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:47:33,075 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:47:33,075 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:47:33" (1/1) ... [2024-12-05 23:47:33,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:47:33,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:33,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-05 23:47:33,127 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-05 23:47:33,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:47:33,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:33,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:47:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:47:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:33,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 23:47:33,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:47:33,435 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 23:47:33,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:33,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-12-05 23:47:33,565 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-12-05 23:47:33,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:47:33,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:33,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:47:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:33,931 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 23:47:35,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:35,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-12-05 23:47:35,318 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-12-05 23:47:35,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:47:35,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:35,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:47:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:47:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:35,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-05 23:47:35,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:47:36,711 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 23:47:51,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:51,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-05 23:47:51,314 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-05 23:47:51,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 23:47:51,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:51,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:47:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:48:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:48:01,413 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:48:01,417 INFO L158 Benchmark]: Toolchain (without parser) took 28867.25ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 43.1MB in the end (delta: 73.6MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2024-12-05 23:48:01,417 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:48:01,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.71ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 105.1MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:48:01,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.97ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:48:01,418 INFO L158 Benchmark]: Boogie Preprocessor took 14.41ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 103.1MB in the end (delta: 904.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:48:01,418 INFO L158 Benchmark]: RCFGBuilder took 278.58ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 90.1MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:48:01,418 INFO L158 Benchmark]: CodeCheck took 28349.55ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 43.1MB in the end (delta: 47.0MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2024-12-05 23:48:01,420 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.71ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 105.1MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.97ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.41ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 103.1MB in the end (delta: 904.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 278.58ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 90.1MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 28349.55ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 43.1MB in the end (delta: 47.0MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:48:01,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/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_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/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_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/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_8bcec229-53b4-4f99-a082-a634c808dfb9/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 ee2daa1dfbe0d64b8ede4504c07bcca5b6f9048af3b92abbef97ab933225d42e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:48:03,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:48:03,371 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:48:03,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:48:03,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:48:03,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:48:03,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:48:03,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:48:03,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:48:03,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:48:03,398 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:48:03,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:48:03,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:48:03,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:48:03,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:48:03,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:48:03,398 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:48:03,398 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:48:03,398 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:48:03,398 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:48:03,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:48:03,399 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:48:03,399 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:48:03,399 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:48:03,399 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:48:03,399 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:48:03,399 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:48:03,399 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:48:03,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:48:03,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:48:03,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:48:03,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:48:03,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:48:03,400 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:48:03,400 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:48:03,400 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:48:03,400 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_8bcec229-53b4-4f99-a082-a634c808dfb9/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 -> ee2daa1dfbe0d64b8ede4504c07bcca5b6f9048af3b92abbef97ab933225d42e [2024-12-05 23:48:03,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:48:03,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:48:03,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:48:03,640 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:48:03,641 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:48:03,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c [2024-12-05 23:48:06,392 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/data/ce177ed43/44574b0a70684c6abf01bf1ff8810530/FLAG147adfb1c [2024-12-05 23:48:06,568 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:48:06,568 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c [2024-12-05 23:48:06,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/data/ce177ed43/44574b0a70684c6abf01bf1ff8810530/FLAG147adfb1c [2024-12-05 23:48:06,592 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/data/ce177ed43/44574b0a70684c6abf01bf1ff8810530 [2024-12-05 23:48:06,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:48:06,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:48:06,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:48:06,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:48:06,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:48:06,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:48:06" (1/1) ... [2024-12-05 23:48:06,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101eee08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:06, skipping insertion in model container [2024-12-05 23:48:06,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:48:06" (1/1) ... [2024-12-05 23:48:06,616 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:48:06,748 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_8bcec229-53b4-4f99-a082-a634c808dfb9/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c[537,550] [2024-12-05 23:48:06,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:48:06,774 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:48:06,785 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_8bcec229-53b4-4f99-a082-a634c808dfb9/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c[537,550] [2024-12-05 23:48:06,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:48:06,803 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:48:06,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:06 WrapperNode [2024-12-05 23:48:06,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:48:06,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:48:06,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:48:06,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:48:06,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:06" (1/1) ... [2024-12-05 23:48:06,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:06" (1/1) ... [2024-12-05 23:48:06,830 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-12-05 23:48:06,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:48:06,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:48:06,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:48:06,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:48:06,838 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:06" (1/1) ... [2024-12-05 23:48:06,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:06" (1/1) ... [2024-12-05 23:48:06,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:06" (1/1) ... [2024-12-05 23:48:06,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:06" (1/1) ... [2024-12-05 23:48:06,844 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:06" (1/1) ... [2024-12-05 23:48:06,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:06" (1/1) ... [2024-12-05 23:48:06,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:06" (1/1) ... [2024-12-05 23:48:06,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:06" (1/1) ... [2024-12-05 23:48:06,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:06" (1/1) ... [2024-12-05 23:48:06,850 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:48:06,851 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:48:06,851 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:48:06,851 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:48:06,852 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:06" (1/1) ... [2024-12-05 23:48:06,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:48:06,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:48:06,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:48:06,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:48:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:48:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:48:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:48:06,900 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:48:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:48:06,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:48:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:48:06,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:48:06,951 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:48:06,953 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:48:07,068 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-05 23:48:07,068 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:48:07,108 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:48:07,108 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:48:07,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:48:07 BoogieIcfgContainer [2024-12-05 23:48:07,108 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:48:07,109 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:48:07,109 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:48:07,116 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:48:07,116 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:48:07" (1/1) ... [2024-12-05 23:48:07,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:48:07,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:07,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-05 23:48:07,162 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-05 23:48:07,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:48:07,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:07,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:48:07,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:48:07,169 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:48:07,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:48:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:07,288 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:48:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:07,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:48:07,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:07,739 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 23:48:07,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:48:08,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:08,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 35 transitions. [2024-12-05 23:48:08,286 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-05 23:48:08,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:48:08,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:08,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:48:08,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:48:08,289 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:48:08,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:48:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:08,338 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:48:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:08,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:48:08,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:09,572 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-05 23:48:09,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 23:48:11,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:11,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 44 transitions. [2024-12-05 23:48:11,572 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2024-12-05 23:48:11,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:48:11,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:11,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:48:11,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:48:11,574 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:48:11,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:48:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:11,746 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:48:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:11,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-05 23:48:11,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:12,891 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-05 23:48:12,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:48:17,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:17,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 31 states and 50 transitions. [2024-12-05 23:48:17,508 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2024-12-05 23:48:17,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 23:48:17,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:17,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:48:17,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:48:17,511 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:48:17,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 23:48:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:17,823 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:48:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:18,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-05 23:48:18,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:21,437 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-05 23:48:21,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 23:48:32,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:32,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 33 states and 54 transitions. [2024-12-05 23:48:32,134 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-12-05 23:48:32,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:48:32,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:32,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:48:32,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:48:32,138 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:48:32,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 23:48:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:32,579 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:48:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:33,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 23:48:33,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:44,110 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-05 23:48:44,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 23:49:06,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:49:06,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 35 states and 59 transitions. [2024-12-05 23:49:06,518 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2024-12-05 23:49:06,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-05 23:49:06,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:49:06,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:49:06,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:49:06,521 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:49:06,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 23:49:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:49:07,070 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:49:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:49:07,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-05 23:49:07,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:49:54,670 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-12-05 23:49:54,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-05 23:50:08,793 WARN L286 SmtUtils]: Spent 10.75s on a formula simplification. DAG size of input: 163 DAG size of output: 162 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:50:41,081 WARN L286 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 261 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:51:01,419 WARN L286 SmtUtils]: Spent 15.67s on a formula simplification. DAG size of input: 303 DAG size of output: 302 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:51:16,797 WARN L286 SmtUtils]: Spent 7.84s on a formula simplification that was a NOOP. DAG size: 303 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:51:18,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:51:21,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:51:22,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:51:23,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:51:23,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 37 states and 64 transitions. [2024-12-05 23:51:23,329 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2024-12-05 23:51:23,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 23:51:23,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:51:23,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:51:23,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:51:23,332 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:51:23,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 23:51:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:24,051 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:51:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:24,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-05 23:51:24,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:49,988 WARN L286 SmtUtils]: Spent 11.79s on a formula simplification that was a NOOP. DAG size: 290 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:54:01,010 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-12-05 23:54:01,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-05 23:55:11,419 WARN L286 SmtUtils]: Spent 1.07m on a formula simplification. DAG size of input: 309 DAG size of output: 292 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:55:45,516 WARN L286 SmtUtils]: Spent 27.14s on a formula simplification that was a NOOP. DAG size: 293 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:55:50,904 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 [] [2024-12-05 23:55:53,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:56:43,981 WARN L286 SmtUtils]: Spent 11.74s on a formula simplification that was a NOOP. DAG size: 291 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:57:57,391 WARN L286 SmtUtils]: Spent 1.01m on a formula simplification. DAG size of input: 448 DAG size of output: 447 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:58:49,414 WARN L286 SmtUtils]: Spent 30.90s on a formula simplification that was a NOOP. DAG size: 448 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:58:51,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:58:55,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:58:58,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:59:02,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:59:03,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:03,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 39 states and 69 transitions. [2024-12-05 23:59:03,414 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2024-12-05 23:59:03,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-05 23:59:03,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:03,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:59:03,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:59:03,417 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:59:03,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 23:59:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:04,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:59:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:05,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-05 23:59:05,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:01:23,922 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 8 proven. 64 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-06 00:01:23,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bcec229-53b4-4f99-a082-a634c808dfb9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0