./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/drift_tenth.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_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/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_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/drift_tenth.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/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_ce779f0b-214f-4c94-9f71-3519db5345f4/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 cbe9305dfa705c6adeb45241a85cbda41a40d96daaf057706b199b2a64bbcd77 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:40:18,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:40:18,970 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:40:18,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:40:18,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:40:18,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:40:18,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:40:18,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:40:18,996 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:40:18,996 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:40:18,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:40:18,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:40:18,997 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:40:18,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:40:18,997 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:40:18,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:40:18,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:40:18,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:40:18,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:40:18,997 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:40:18,998 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:40:18,998 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:40:18,998 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:40:18,998 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:40:18,998 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:40:18,998 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:40:18,998 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:40:18,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:40:18,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:40:18,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:40:18,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:40:18,999 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:40:18,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:40:18,999 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_ce779f0b-214f-4c94-9f71-3519db5345f4/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 -> cbe9305dfa705c6adeb45241a85cbda41a40d96daaf057706b199b2a64bbcd77 [2024-12-05 21:40:19,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:40:19,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:40:19,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:40:19,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:40:19,226 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:40:19,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/drift_tenth.c [2024-12-05 21:40:22,137 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/data/cdecea56c/bb1fcb590c7548ce98fdb9752af13a78/FLAGdd13f3e2e [2024-12-05 21:40:22,338 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:40:22,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/sv-benchmarks/c/float-benchs/drift_tenth.c [2024-12-05 21:40:22,347 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/data/cdecea56c/bb1fcb590c7548ce98fdb9752af13a78/FLAGdd13f3e2e [2024-12-05 21:40:22,714 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/data/cdecea56c/bb1fcb590c7548ce98fdb9752af13a78 [2024-12-05 21:40:22,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:40:22,719 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:40:22,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:40:22,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:40:22,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:40:22,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:40:22" (1/1) ... [2024-12-05 21:40:22,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d3ffe29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:22, skipping insertion in model container [2024-12-05 21:40:22,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:40:22" (1/1) ... [2024-12-05 21:40:22,740 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:40:22,862 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_ce779f0b-214f-4c94-9f71-3519db5345f4/sv-benchmarks/c/float-benchs/drift_tenth.c[348,361] [2024-12-05 21:40:22,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:40:22,880 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:40:22,892 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_ce779f0b-214f-4c94-9f71-3519db5345f4/sv-benchmarks/c/float-benchs/drift_tenth.c[348,361] [2024-12-05 21:40:22,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:40:22,905 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:40:22,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:22 WrapperNode [2024-12-05 21:40:22,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:40:22,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:40:22,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:40:22,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:40:22,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:22" (1/1) ... [2024-12-05 21:40:22,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:22" (1/1) ... [2024-12-05 21:40:22,937 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-12-05 21:40:22,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:40:22,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:40:22,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:40:22,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:40:22,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:22" (1/1) ... [2024-12-05 21:40:22,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:22" (1/1) ... [2024-12-05 21:40:22,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:22" (1/1) ... [2024-12-05 21:40:22,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:22" (1/1) ... [2024-12-05 21:40:22,950 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:22" (1/1) ... [2024-12-05 21:40:22,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:22" (1/1) ... [2024-12-05 21:40:22,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:22" (1/1) ... [2024-12-05 21:40:22,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:22" (1/1) ... [2024-12-05 21:40:22,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:22" (1/1) ... [2024-12-05 21:40:22,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:40:22,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:40:22,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:40:22,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:40:22,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:22" (1/1) ... [2024-12-05 21:40:22,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:40:22,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:40:22,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:40:22,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:40:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:40:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:40:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:40:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:40:23,085 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:40:23,087 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:40:23,181 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 21:40:23,181 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:40:23,212 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:40:23,212 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:40:23,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:40:23 BoogieIcfgContainer [2024-12-05 21:40:23,213 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:40:23,213 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:40:23,214 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:40:23,222 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:40:23,223 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:40:23" (1/1) ... [2024-12-05 21:40:23,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:40:23,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 21:40:23,287 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 21:40:23,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:40:23,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:23,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:40:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:23,455 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 21:40:23,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:23,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 21:40:23,491 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 21:40:23,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:40:23,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:23,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:40:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:23,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:23,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:23,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2024-12-05 21:40:23,610 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2024-12-05 21:40:23,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 21:40:23,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:23,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:40:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:23,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:23,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:23,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-12-05 21:40:23,752 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-12-05 21:40:23,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:40:23,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:23,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:40:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:23,826 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 21:40:23,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:23,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-12-05 21:40:23,890 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-12-05 21:40:23,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 21:40:23,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:23,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:40:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:23,966 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:24,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:24,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-05 21:40:24,043 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-05 21:40:24,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 21:40:24,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:24,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:40:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:24,114 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:24,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:24,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-05 21:40:24,178 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-05 21:40:24,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 21:40:24,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:24,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:40:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:24,266 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:24,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:24,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 21:40:24,329 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 21:40:24,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 21:40:24,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:24,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:40:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:24,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:24,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2024-12-05 21:40:24,494 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-12-05 21:40:24,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 21:40:24,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:24,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:40:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:24,570 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:24,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:24,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-12-05 21:40:24,649 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-12-05 21:40:24,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:40:24,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:24,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:40:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:24,734 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:24,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:24,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2024-12-05 21:40:24,834 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2024-12-05 21:40:24,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 21:40:24,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:24,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:40:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:40:24,845 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:40:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:40:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:40:24,895 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:40:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:40:24,920 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2024-12-05 21:40:24,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:40:24 ImpRootNode [2024-12-05 21:40:24,945 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:40:24,945 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:40:24,945 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:40:24,945 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:40:24,946 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:40:23" (3/4) ... [2024-12-05 21:40:24,948 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:40:24,949 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:40:24,950 INFO L158 Benchmark]: Toolchain (without parser) took 2231.34ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 81.5MB in the end (delta: 10.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-12-05 21:40:24,950 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:40:24,951 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.24ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 81.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:40:24,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.64ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:40:24,951 INFO L158 Benchmark]: Boogie Preprocessor took 18.59ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 80.0MB in the end (delta: 550.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:40:24,952 INFO L158 Benchmark]: RCFGBuilder took 255.80ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 70.1MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:40:24,952 INFO L158 Benchmark]: CodeCheck took 1731.22ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 82.3MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:40:24,953 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 81.5MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:40:24,955 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 211 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 229 IncrementalHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 211 mSolverCounterUnsat, 30 mSDtfsCounter, 229 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 592 GetRequests, 509 SyntacticMatches, 45 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 185 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/165 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: 6]: 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 someBinaryDOUBLEComparisonOperation at line 17, overapproximation of someBinaryArithmeticFLOAToperation at line 10, overapproximation of someBinaryArithmeticFLOAToperation at line 15. Possible FailurePath: [L10] float tick = 1.f / 10.f; [L11] float time = 0.f; [L12] int i; [L14] i = 0 VAL [i=0] [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ VAL [i=1] [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ VAL [i=2] [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ VAL [i=3] [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ VAL [i=4] [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ VAL [i=5] [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ VAL [i=6] [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ VAL [i=7] [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ VAL [i=8] [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ VAL [i=9] [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ VAL [i=10] [L14] COND FALSE !(i < 10) [L17] CALL __VERIFIER_assert(time != 1.0) [L6] COND TRUE !(cond) [L6] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.24ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 81.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.64ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.59ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 80.0MB in the end (delta: 550.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 255.80ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 70.1MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1731.22ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 82.3MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 81.5MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:40:24,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/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_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/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_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/drift_tenth.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/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_ce779f0b-214f-4c94-9f71-3519db5345f4/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 cbe9305dfa705c6adeb45241a85cbda41a40d96daaf057706b199b2a64bbcd77 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:40:27,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:40:27,274 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 21:40:27,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:40:27,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:40:27,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:40:27,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:40:27,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:40:27,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:40:27,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:40:27,305 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:40:27,305 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:40:27,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:40:27,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:40:27,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:40:27,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:40:27,306 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:40:27,306 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:40:27,306 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:40:27,306 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:40:27,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:40:27,306 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:40:27,306 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:40:27,306 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:40:27,306 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:40:27,306 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:40:27,307 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:27,307 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:40:27,307 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:40:27,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:40:27,307 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:40:27,307 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:40:27,307 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:40:27,307 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:40:27,307 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:27,307 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:40:27,307 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/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 -> cbe9305dfa705c6adeb45241a85cbda41a40d96daaf057706b199b2a64bbcd77 [2024-12-05 21:40:27,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:40:27,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:40:27,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:40:27,591 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:40:27,591 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:40:27,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/drift_tenth.c [2024-12-05 21:40:30,401 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/data/7536b3043/bb1306b85f52440aa9ab48ec9fb97a97/FLAGbf408ced2 [2024-12-05 21:40:30,600 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:40:30,601 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/sv-benchmarks/c/float-benchs/drift_tenth.c [2024-12-05 21:40:30,613 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/data/7536b3043/bb1306b85f52440aa9ab48ec9fb97a97/FLAGbf408ced2 [2024-12-05 21:40:30,966 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/data/7536b3043/bb1306b85f52440aa9ab48ec9fb97a97 [2024-12-05 21:40:30,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:40:30,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:40:30,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:40:30,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:40:30,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:40:30,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:40:30" (1/1) ... [2024-12-05 21:40:30,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@676d6075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:30, skipping insertion in model container [2024-12-05 21:40:30,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:40:30" (1/1) ... [2024-12-05 21:40:30,989 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:40:31,142 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_ce779f0b-214f-4c94-9f71-3519db5345f4/sv-benchmarks/c/float-benchs/drift_tenth.c[348,361] [2024-12-05 21:40:31,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:40:31,171 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:40:31,182 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_ce779f0b-214f-4c94-9f71-3519db5345f4/sv-benchmarks/c/float-benchs/drift_tenth.c[348,361] [2024-12-05 21:40:31,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:40:31,200 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:40:31,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:31 WrapperNode [2024-12-05 21:40:31,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:40:31,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:40:31,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:40:31,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:40:31,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:31" (1/1) ... [2024-12-05 21:40:31,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:31" (1/1) ... [2024-12-05 21:40:31,235 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-12-05 21:40:31,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:40:31,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:40:31,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:40:31,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:40:31,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:31" (1/1) ... [2024-12-05 21:40:31,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:31" (1/1) ... [2024-12-05 21:40:31,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:31" (1/1) ... [2024-12-05 21:40:31,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:31" (1/1) ... [2024-12-05 21:40:31,253 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:31" (1/1) ... [2024-12-05 21:40:31,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:31" (1/1) ... [2024-12-05 21:40:31,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:31" (1/1) ... [2024-12-05 21:40:31,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:31" (1/1) ... [2024-12-05 21:40:31,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:31" (1/1) ... [2024-12-05 21:40:31,262 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:40:31,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:40:31,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:40:31,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:40:31,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:31" (1/1) ... [2024-12-05 21:40:31,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:40:31,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:40:31,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:40:31,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:40:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:40:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:40:31,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:40:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 21:40:31,398 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:40:31,400 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:40:31,633 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 21:40:31,633 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:40:31,666 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:40:31,666 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:40:31,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:40:31 BoogieIcfgContainer [2024-12-05 21:40:31,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:40:31,668 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:40:31,668 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:40:31,680 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:40:31,680 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:40:31" (1/1) ... [2024-12-05 21:40:31,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:40:31,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:31,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 21:40:31,741 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 21:40:31,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:40:31,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:31,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:31,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:31,747 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:31,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:40:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:31,851 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:31,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 21:40:31,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:31,928 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 21:40:31,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:40:32,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:32,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 21:40:32,234 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 21:40:32,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:40:32,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:32,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:32,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:32,237 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:32,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 21:40:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:32,361 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:32,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 21:40:32,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:32,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:32,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 21:40:32,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:32,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2024-12-05 21:40:32,956 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2024-12-05 21:40:32,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 21:40:32,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:32,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:32,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:32,959 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:32,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 21:40:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:33,129 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:33,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 21:40:33,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:33,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:33,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 21:40:33,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:33,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-12-05 21:40:33,832 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-12-05 21:40:33,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:40:33,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:33,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:33,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:33,835 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:33,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 21:40:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:34,035 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:34,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 21:40:34,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:34,141 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 21:40:34,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 21:40:34,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:34,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-12-05 21:40:34,791 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-12-05 21:40:34,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 21:40:34,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:34,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:34,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:34,794 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:34,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 21:40:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:35,053 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:35,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 21:40:35,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:35,174 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:35,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 21:40:35,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:35,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-05 21:40:35,781 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-05 21:40:35,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 21:40:35,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:35,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:35,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:35,783 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:35,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 21:40:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:36,082 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:36,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 21:40:36,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:36,236 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:36,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 21:40:36,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:36,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-05 21:40:36,884 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-05 21:40:36,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 21:40:36,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:36,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:36,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:36,887 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:36,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 21:40:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:37,242 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:37,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 21:40:37,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:37,442 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:37,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 21:40:38,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:38,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 21:40:38,119 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 21:40:38,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 21:40:38,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:38,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:38,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:38,121 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:38,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 21:40:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:38,509 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:38,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:40:38,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:38,718 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:38,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 21:40:39,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:39,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2024-12-05 21:40:39,427 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-12-05 21:40:39,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 21:40:39,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:39,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:39,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:39,429 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:39,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 21:40:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:39,843 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:39,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:40:39,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:40,064 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:40,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 21:40:40,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:40,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-12-05 21:40:40,726 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-12-05 21:40:40,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:40:40,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:40,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:40,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:40,728 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:40,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 21:40:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:41,131 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:41,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:40:41,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:41,405 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:41,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 21:40:42,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:42,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2024-12-05 21:40:42,216 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-12-05 21:40:42,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 21:40:42,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:42,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:42,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:42,218 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:42,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 21:40:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:42,787 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:48,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 21:40:48,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:43:22,572 WARN L286 SmtUtils]: Spent 7.46s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:45:13,260 WARN L286 SmtUtils]: Spent 9.98s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:45:22,670 WARN L286 SmtUtils]: Spent 5.33s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 21:47:39,715 WARN L286 SmtUtils]: Spent 11.27s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:47:47,764 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 21:47:54,194 WARN L286 SmtUtils]: Spent 6.43s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 21:51:19,854 WARN L286 SmtUtils]: Spent 13.42s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:51:25,883 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 21:53:59,429 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 52 refuted. 3 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:53:59,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce779f0b-214f-4c94-9f71-3519db5345f4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0