./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float18.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/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_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/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_88856a71-e914-427d-8dbf-67feaa400062/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 a81fa1bd0a3b8841e651932cc73584f5a646612c64d8453e7e96316c7083da49 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:41:44,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:41:44,581 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:41:44,584 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:41:44,585 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:41:44,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:41:44,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:41:44,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:41:44,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:41:44,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:41:44,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:41:44,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:41:44,604 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:41:44,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:41:44,604 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:41:44,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:41:44,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:41:44,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:41:44,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:41:44,605 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:41:44,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:41:44,605 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:41:44,605 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:41:44,605 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:41:44,605 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:41:44,605 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:41:44,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:41:44,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:44,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:41:44,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:41:44,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:41:44,606 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:41:44,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:41:44,606 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_88856a71-e914-427d-8dbf-67feaa400062/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 -> a81fa1bd0a3b8841e651932cc73584f5a646612c64d8453e7e96316c7083da49 [2024-12-05 21:41:44,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:41:44,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:41:44,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:41:44,824 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:41:44,824 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:41:44,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float18.i [2024-12-05 21:41:47,558 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/data/d46f93c11/7acadcde803143e9949d22aa95dd5587/FLAG88d1276aa [2024-12-05 21:41:47,799 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:41:47,800 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/sv-benchmarks/c/floats-cbmc-regression/float18.i [2024-12-05 21:41:47,812 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/data/d46f93c11/7acadcde803143e9949d22aa95dd5587/FLAG88d1276aa [2024-12-05 21:41:47,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/data/d46f93c11/7acadcde803143e9949d22aa95dd5587 [2024-12-05 21:41:47,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:41:47,830 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:41:47,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:41:47,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:41:47,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:41:47,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:47" (1/1) ... [2024-12-05 21:41:47,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a895496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:47, skipping insertion in model container [2024-12-05 21:41:47,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:47" (1/1) ... [2024-12-05 21:41:47,866 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:41:48,379 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_88856a71-e914-427d-8dbf-67feaa400062/sv-benchmarks/c/floats-cbmc-regression/float18.i[40835,40848] [2024-12-05 21:41:48,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:41:48,390 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:41:48,414 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_88856a71-e914-427d-8dbf-67feaa400062/sv-benchmarks/c/floats-cbmc-regression/float18.i[40835,40848] [2024-12-05 21:41:48,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:41:48,498 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:41:48,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:48 WrapperNode [2024-12-05 21:41:48,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:41:48,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:41:48,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:41:48,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:41:48,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:48" (1/1) ... [2024-12-05 21:41:48,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:48" (1/1) ... [2024-12-05 21:41:48,525 INFO L138 Inliner]: procedures = 446, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2024-12-05 21:41:48,525 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:41:48,525 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:41:48,525 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:41:48,525 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:41:48,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:48" (1/1) ... [2024-12-05 21:41:48,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:48" (1/1) ... [2024-12-05 21:41:48,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:48" (1/1) ... [2024-12-05 21:41:48,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:48" (1/1) ... [2024-12-05 21:41:48,535 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:48" (1/1) ... [2024-12-05 21:41:48,535 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:48" (1/1) ... [2024-12-05 21:41:48,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:48" (1/1) ... [2024-12-05 21:41:48,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:48" (1/1) ... [2024-12-05 21:41:48,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:48" (1/1) ... [2024-12-05 21:41:48,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:41:48,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:41:48,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:41:48,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:41:48,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:48" (1/1) ... [2024-12-05 21:41:48,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:48,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:41:48,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:41:48,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:41:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:41:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:41:48,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:41:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:41:48,661 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:41:48,663 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:41:48,726 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 21:41:48,726 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:41:48,744 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:41:48,745 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:41:48,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:48 BoogieIcfgContainer [2024-12-05 21:41:48,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:41:48,746 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:41:48,746 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:41:48,757 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:41:48,757 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:48" (1/1) ... [2024-12-05 21:41:48,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:41:48,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:48,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 21:41:48,819 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 21:41:48,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:41:48,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:48,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:48,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:48,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:48,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-12-05 21:41:48,955 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-12-05 21:41:48,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:41:48,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:48,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:49,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:49,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:49,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-12-05 21:41:49,073 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-12-05 21:41:49,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:41:49,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:49,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:49,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:49,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:49,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-12-05 21:41:49,226 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-12-05 21:41:49,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 21:41:49,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:49,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:49,292 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:49,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-05 21:41:49,354 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-05 21:41:49,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 21:41:49,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:49,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:49,423 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:49,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:49,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-12-05 21:41:49,488 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-12-05 21:41:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:41:49,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:49,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:49,566 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:49,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:49,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-12-05 21:41:49,629 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-12-05 21:41:49,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 21:41:49,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:49,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:49,706 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:49,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:49,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-12-05 21:41:49,778 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-12-05 21:41:49,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 21:41:49,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:49,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:49,861 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:49,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:49,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2024-12-05 21:41:49,948 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-12-05 21:41:49,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 21:41:49,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:49,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:50,041 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:50,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:50,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2024-12-05 21:41:50,121 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2024-12-05 21:41:50,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 21:41:50,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:50,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:50,215 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:50,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:50,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2024-12-05 21:41:50,302 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-12-05 21:41:50,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 21:41:50,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:50,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:50,392 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:50,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:50,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2024-12-05 21:41:50,482 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2024-12-05 21:41:50,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:41:50,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:50,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:41:50,495 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:41:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:41:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:41:50,543 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:41:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:41:50,571 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2024-12-05 21:41:50,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:41:50 ImpRootNode [2024-12-05 21:41:50,596 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:41:50,596 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:41:50,597 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:41:50,597 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:41:50,597 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:48" (3/4) ... [2024-12-05 21:41:50,599 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:41:50,600 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:41:50,601 INFO L158 Benchmark]: Toolchain (without parser) took 2770.21ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 46.9MB in the end (delta: 68.2MB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. [2024-12-05 21:41:50,601 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:41:50,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 667.08ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 72.3MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-05 21:41:50,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.67ms. Allocated memory is still 142.6MB. Free memory was 72.3MB in the beginning and 70.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:41:50,602 INFO L158 Benchmark]: Boogie Preprocessor took 13.30ms. Allocated memory is still 142.6MB. Free memory was 70.4MB in the beginning and 69.6MB in the end (delta: 819.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:41:50,602 INFO L158 Benchmark]: RCFGBuilder took 206.14ms. Allocated memory is still 142.6MB. Free memory was 69.6MB in the beginning and 59.9MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:41:50,603 INFO L158 Benchmark]: CodeCheck took 1850.07ms. Allocated memory is still 142.6MB. Free memory was 59.9MB in the beginning and 47.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-12-05 21:41:50,603 INFO L158 Benchmark]: Witness Printer took 3.34ms. Allocated memory is still 142.6MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:41:50,605 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 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 340 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 210 mSDsluCounter, 516 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 430 mSDsCounter, 176 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 405 IncrementalHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 176 mSolverCounterUnsat, 86 mSDtfsCounter, 405 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1095 GetRequests, 963 SyntacticMatches, 90 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 623 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 373 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 0/330 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 979]: 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 someBinaryArithmeticDOUBLEoperation at line 974, overapproximation of someBinaryArithmeticDOUBLEoperation at line 968, overapproximation of someBinaryDOUBLEComparisonOperation at line 977. Possible FailurePath: [L968] double s, f=0.0, fStep=0.1*3.14159265358979323846; [L969] int n=0; VAL [n=0] [L973] s = sin(f) [L974] f += fStep [L975] n++ VAL [n=1] [L977] COND TRUE f < 3.14159265358979323846 VAL [n=1] [L973] s = sin(f) [L974] f += fStep [L975] n++ VAL [n=2] [L977] COND TRUE f < 3.14159265358979323846 VAL [n=2] [L973] s = sin(f) [L974] f += fStep [L975] n++ VAL [n=3] [L977] COND TRUE f < 3.14159265358979323846 VAL [n=3] [L973] s = sin(f) [L974] f += fStep [L975] n++ VAL [n=4] [L977] COND TRUE f < 3.14159265358979323846 VAL [n=4] [L973] s = sin(f) [L974] f += fStep [L975] n++ VAL [n=5] [L977] COND TRUE f < 3.14159265358979323846 VAL [n=5] [L973] s = sin(f) [L974] f += fStep [L975] n++ VAL [n=6] [L977] COND TRUE f < 3.14159265358979323846 VAL [n=6] [L973] s = sin(f) [L974] f += fStep [L975] n++ VAL [n=7] [L977] COND TRUE f < 3.14159265358979323846 VAL [n=7] [L973] s = sin(f) [L974] f += fStep [L975] n++ VAL [n=8] [L977] COND TRUE f < 3.14159265358979323846 VAL [n=8] [L973] s = sin(f) [L974] f += fStep [L975] n++ VAL [n=9] [L977] COND TRUE f < 3.14159265358979323846 VAL [n=9] [L973] s = sin(f) [L974] f += fStep [L975] n++ VAL [n=10] [L977] COND TRUE f < 3.14159265358979323846 VAL [n=10] [L973] s = sin(f) [L974] f += fStep [L975] n++ VAL [n=11] [L977] COND FALSE !(f < 3.14159265358979323846) VAL [n=11] [L979] COND TRUE !( n < 11 ) [L979] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 667.08ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 72.3MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.67ms. Allocated memory is still 142.6MB. Free memory was 72.3MB in the beginning and 70.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.30ms. Allocated memory is still 142.6MB. Free memory was 70.4MB in the beginning and 69.6MB in the end (delta: 819.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 206.14ms. Allocated memory is still 142.6MB. Free memory was 69.6MB in the beginning and 59.9MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1850.07ms. Allocated memory is still 142.6MB. Free memory was 59.9MB in the beginning and 47.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Witness Printer took 3.34ms. Allocated memory is still 142.6MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:41:50,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/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_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/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_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/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_88856a71-e914-427d-8dbf-67feaa400062/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 a81fa1bd0a3b8841e651932cc73584f5a646612c64d8453e7e96316c7083da49 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:41:52,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:41:52,641 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 21:41:52,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:41:52,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:41:52,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:41:52,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:41:52,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:41:52,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:41:52,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:41:52,667 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:41:52,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:41:52,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:41:52,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:41:52,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:41:52,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:41:52,668 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:41:52,668 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:41:52,668 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:41:52,668 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:41:52,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:41:52,668 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:41:52,668 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:41:52,668 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:41:52,669 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:41:52,669 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:41:52,669 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:41:52,669 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:41:52,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:41:52,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:52,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:41:52,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:41:52,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:41:52,669 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:41:52,669 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:41:52,669 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:41:52,670 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_88856a71-e914-427d-8dbf-67feaa400062/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 -> a81fa1bd0a3b8841e651932cc73584f5a646612c64d8453e7e96316c7083da49 [2024-12-05 21:41:52,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:41:52,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:41:52,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:41:52,909 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:41:52,909 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:41:52,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float18.i [2024-12-05 21:41:55,588 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/data/ab3b6cc6e/204183974ea9484d9c0a96b7fc39767f/FLAG23d4272fa [2024-12-05 21:41:55,799 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:41:55,799 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/sv-benchmarks/c/floats-cbmc-regression/float18.i [2024-12-05 21:41:55,816 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/data/ab3b6cc6e/204183974ea9484d9c0a96b7fc39767f/FLAG23d4272fa [2024-12-05 21:41:56,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/data/ab3b6cc6e/204183974ea9484d9c0a96b7fc39767f [2024-12-05 21:41:56,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:41:56,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:41:56,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:41:56,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:41:56,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:41:56,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:56" (1/1) ... [2024-12-05 21:41:56,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b4e014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:56, skipping insertion in model container [2024-12-05 21:41:56,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:56" (1/1) ... [2024-12-05 21:41:56,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:41:56,520 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_88856a71-e914-427d-8dbf-67feaa400062/sv-benchmarks/c/floats-cbmc-regression/float18.i[40835,40848] [2024-12-05 21:41:56,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:41:56,533 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:41:56,564 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_88856a71-e914-427d-8dbf-67feaa400062/sv-benchmarks/c/floats-cbmc-regression/float18.i[40835,40848] [2024-12-05 21:41:56,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:41:56,641 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:41:56,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:56 WrapperNode [2024-12-05 21:41:56,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:41:56,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:41:56,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:41:56,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:41:56,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:56" (1/1) ... [2024-12-05 21:41:56,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:56" (1/1) ... [2024-12-05 21:41:56,671 INFO L138 Inliner]: procedures = 447, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2024-12-05 21:41:56,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:41:56,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:41:56,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:41:56,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:41:56,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:56" (1/1) ... [2024-12-05 21:41:56,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:56" (1/1) ... [2024-12-05 21:41:56,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:56" (1/1) ... [2024-12-05 21:41:56,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:56" (1/1) ... [2024-12-05 21:41:56,684 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:56" (1/1) ... [2024-12-05 21:41:56,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:56" (1/1) ... [2024-12-05 21:41:56,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:56" (1/1) ... [2024-12-05 21:41:56,687 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:56" (1/1) ... [2024-12-05 21:41:56,688 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:56" (1/1) ... [2024-12-05 21:41:56,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:41:56,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:41:56,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:41:56,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:41:56,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:56" (1/1) ... [2024-12-05 21:41:56,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:56,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:41:56,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:41:56,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:41:56,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 21:41:56,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:41:56,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:41:56,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:41:56,808 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:41:56,809 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:41:57,275 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 21:41:57,275 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:41:57,292 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:41:57,292 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:41:57,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:57 BoogieIcfgContainer [2024-12-05 21:41:57,292 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:41:57,293 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:41:57,293 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:41:57,301 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:41:57,301 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:57" (1/1) ... [2024-12-05 21:41:57,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:41:57,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:57,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 21:41:57,339 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 21:41:57,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:41:57,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:57,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:41:57,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:41:57,343 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:41:57,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:41:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:57,449 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:41:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:57,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 21:41:57,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:41:57,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:57,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:41:57,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:57,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-12-05 21:41:57,628 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-12-05 21:41:57,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:41:57,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:57,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:41:57,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:41:57,630 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:41:57,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 21:41:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:57,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:41:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:58,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 21:41:58,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:41:58,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:58,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 21:41:59,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:59,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-12-05 21:41:59,313 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-12-05 21:41:59,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:41:59,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:59,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:41:59,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:41:59,316 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:41:59,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 21:41:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:59,792 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:41:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:59,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 21:41:59,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:41:59,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:41:59,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 21:42:01,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:01,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-12-05 21:42:01,142 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-12-05 21:42:01,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 21:42:01,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:01,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:01,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:01,144 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:01,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 21:42:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:01,735 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:42:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:01,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 21:42:01,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:01,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:42:01,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 21:42:03,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:03,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-05 21:42:03,586 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-05 21:42:03,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 21:42:03,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:03,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:03,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:03,588 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:03,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 21:42:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:04,327 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:42:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:04,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 21:42:04,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:04,583 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:42:04,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 21:42:05,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:05,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-12-05 21:42:05,938 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-12-05 21:42:05,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:42:05,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:05,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:05,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:05,940 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:05,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 21:42:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:06,741 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:42:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:06,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 21:42:06,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:07,111 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:42:07,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 21:42:08,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:08,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-12-05 21:42:08,925 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-12-05 21:42:08,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 21:42:08,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:08,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:08,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:08,927 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:08,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 21:42:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:09,888 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:42:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:10,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 21:42:10,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:10,316 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:42:10,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-05 21:42:12,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:12,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-12-05 21:42:12,167 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-12-05 21:42:12,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 21:42:12,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:12,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:12,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:12,170 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:12,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 21:42:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:13,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:42:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:13,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 21:42:13,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:13,707 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:42:13,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 21:42:15,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:15,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2024-12-05 21:42:15,620 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-12-05 21:42:15,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 21:42:15,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:15,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:15,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:15,622 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:15,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 21:42:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:16,842 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:42:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:17,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:42:17,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:17,445 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:42:17,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 21:42:19,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:19,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2024-12-05 21:42:19,721 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2024-12-05 21:42:19,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 21:42:19,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:19,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:19,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:19,724 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:19,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 21:42:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:21,039 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:42:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:21,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 21:42:21,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:21,740 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:42:21,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 21:42:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:24,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2024-12-05 21:42:24,379 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-12-05 21:42:24,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 21:42:24,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:24,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:24,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:24,381 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:24,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 21:42:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:25,702 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:42:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:25,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:42:25,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:26,482 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:42:26,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 21:42:29,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:29,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2024-12-05 21:42:29,509 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2024-12-05 21:42:29,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:42:29,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:29,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:29,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:29,512 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:29,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 21:42:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:31,054 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:42:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:42:41,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-12-05 21:42:41,356 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 21:42:41,360 INFO L158 Benchmark]: Toolchain (without parser) took 45218.41ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 46.5MB in the end (delta: 22.1MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-12-05 21:42:41,360 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:41,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 499.60ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 54.4MB in the end (delta: 14.0MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2024-12-05 21:42:41,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.00ms. Allocated memory is still 92.3MB. Free memory was 54.4MB in the beginning and 52.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:41,361 INFO L158 Benchmark]: Boogie Preprocessor took 17.86ms. Allocated memory is still 92.3MB. Free memory was 52.0MB in the beginning and 51.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:41,361 INFO L158 Benchmark]: RCFGBuilder took 601.81ms. Allocated memory is still 92.3MB. Free memory was 51.0MB in the beginning and 41.3MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:42:41,362 INFO L158 Benchmark]: CodeCheck took 44065.53ms. Allocated memory is still 92.3MB. Free memory was 41.3MB in the beginning and 46.5MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:41,363 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 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 499.60ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 54.4MB in the end (delta: 14.0MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.00ms. Allocated memory is still 92.3MB. Free memory was 54.4MB in the beginning and 52.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.86ms. Allocated memory is still 92.3MB. Free memory was 52.0MB in the beginning and 51.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 601.81ms. Allocated memory is still 92.3MB. Free memory was 51.0MB in the beginning and 41.3MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 44065.53ms. Allocated memory is still 92.3MB. Free memory was 41.3MB in the beginning and 46.5MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 21:42:41,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88856a71-e914-427d-8dbf-67feaa400062/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown