./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.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_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3 --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 946e199240c0e980bd422384e40e4d2247ef6b3560471b18ba5a354c3628dba9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:19:52,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:19:52,709 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:19:52,716 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:19:52,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:19:52,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:19:52,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:19:52,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:19:52,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:19:52,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:19:52,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:19:52,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:19:52,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:19:52,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:19:52,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:19:52,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:19:52,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:19:52,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:19:52,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:19:52,759 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:19:52,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:19:52,759 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:19:52,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:19:52,760 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:19:52,760 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:19:52,760 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:19:52,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:19:52,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:19:52,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:19:52,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:19:52,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:19:52,762 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:19:52,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:19:52,762 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_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3 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 -> 946e199240c0e980bd422384e40e4d2247ef6b3560471b18ba5a354c3628dba9 [2024-11-25 03:19:53,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:19:53,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:19:53,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:19:53,109 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:19:53,109 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:19:53,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c [2024-11-25 03:19:56,150 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/data/84701d562/76801950b00f4f13a9d9df20d4146183/FLAGda6f09fe0 [2024-11-25 03:19:56,420 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:19:56,425 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c [2024-11-25 03:19:56,449 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/data/84701d562/76801950b00f4f13a9d9df20d4146183/FLAGda6f09fe0 [2024-11-25 03:19:56,710 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/data/84701d562/76801950b00f4f13a9d9df20d4146183 [2024-11-25 03:19:56,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:19:56,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:19:56,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:19:56,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:19:56,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:19:56,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:19:56" (1/1) ... [2024-11-25 03:19:56,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d6b5185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:56, skipping insertion in model container [2024-11-25 03:19:56,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:19:56" (1/1) ... [2024-11-25 03:19:56,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:19:56,884 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_0a515383-20d6-472e-b5f7-89b6b44ecf50/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c[458,471] [2024-11-25 03:19:56,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:19:56,924 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:19:56,935 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_0a515383-20d6-472e-b5f7-89b6b44ecf50/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c[458,471] [2024-11-25 03:19:56,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:19:56,966 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:19:56,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:56 WrapperNode [2024-11-25 03:19:56,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:19:56,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:19:56,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:19:56,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:19:56,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:56" (1/1) ... [2024-11-25 03:19:56,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:56" (1/1) ... [2024-11-25 03:19:57,000 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-25 03:19:57,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:19:57,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:19:57,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:19:57,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:19:57,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:56" (1/1) ... [2024-11-25 03:19:57,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:56" (1/1) ... [2024-11-25 03:19:57,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:56" (1/1) ... [2024-11-25 03:19:57,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:56" (1/1) ... [2024-11-25 03:19:57,015 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:56" (1/1) ... [2024-11-25 03:19:57,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:56" (1/1) ... [2024-11-25 03:19:57,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:56" (1/1) ... [2024-11-25 03:19:57,019 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:56" (1/1) ... [2024-11-25 03:19:57,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:56" (1/1) ... [2024-11-25 03:19:57,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:19:57,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:19:57,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:19:57,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:19:57,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:19:56" (1/1) ... [2024-11-25 03:19:57,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:19:57,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:19:57,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:19:57,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:19:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:19:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:19:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:19:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:19:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:19:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:19:57,132 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:19:57,133 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:19:57,251 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 03:19:57,251 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:19:57,288 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:19:57,288 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:19:57,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:19:57 BoogieIcfgContainer [2024-11-25 03:19:57,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:19:57,289 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:19:57,289 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:19:57,300 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:19:57,300 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:19:57" (1/1) ... [2024-11-25 03:19:57,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:19:57,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:57,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-25 03:19:57,359 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-25 03:19:57,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:19:57,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:57,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:57,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:57,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:57,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 03:19:57,501 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 03:19:57,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:19:57,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:57,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:19:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:57,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 03:19:57,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:19:57,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:57,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:57,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-11-25 03:19:57,839 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-25 03:19:57,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:19:57,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:57,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:57,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:58,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:58,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-25 03:19:58,234 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-25 03:19:58,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:19:58,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:58,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:58,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:59,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:59,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-25 03:19:59,107 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 03:19:59,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 03:19:59,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:59,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:19:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:59,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:19:59,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:19:59,374 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:19:59,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:59,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 03:19:59,779 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 03:19:59,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:19:59,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:59,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:19:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:19:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:59,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:19:59,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:19:59,883 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 03:19:59,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:59,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-11-25 03:19:59,975 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-11-25 03:19:59,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 03:19:59,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:59,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:00,188 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 03:20:00,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:00,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-11-25 03:20:00,879 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-11-25 03:20:00,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:20:00,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:00,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:00,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 03:20:00,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:01,100 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 03:20:01,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:01,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-25 03:20:01,493 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-25 03:20:01,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 03:20:01,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:01,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:01,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 03:20:01,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:01,750 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:20:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:03,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2024-11-25 03:20:03,621 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2024-11-25 03:20:03,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:20:03,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:03,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:03,881 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:20:04,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:04,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2024-11-25 03:20:04,881 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2024-11-25 03:20:04,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:20:04,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:04,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:04,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:20:04,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:05,139 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:20:05,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:05,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2024-11-25 03:20:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2024-11-25 03:20:05,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 03:20:05,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:05,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:05,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 03:20:05,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:05,940 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 03:20:08,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:08,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 65 states and 114 transitions. [2024-11-25 03:20:08,245 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 114 transitions. [2024-11-25 03:20:08,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 03:20:08,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:08,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:08,542 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 03:20:09,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:09,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 69 states and 122 transitions. [2024-11-25 03:20:09,566 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 122 transitions. [2024-11-25 03:20:09,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 03:20:09,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:09,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:09,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 03:20:09,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:10,176 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 03:20:10,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:10,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 73 states and 129 transitions. [2024-11-25 03:20:10,684 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 129 transitions. [2024-11-25 03:20:10,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 03:20:10,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:10,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:10,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 03:20:10,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:11,120 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 03:20:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:13,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 83 states and 149 transitions. [2024-11-25 03:20:13,669 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 149 transitions. [2024-11-25 03:20:13,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-25 03:20:13,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:13,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:13,948 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 03:20:15,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:15,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 87 states and 157 transitions. [2024-11-25 03:20:15,149 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 157 transitions. [2024-11-25 03:20:15,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 03:20:15,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:15,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:15,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-25 03:20:15,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:16,286 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 19 proven. 64 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:20:17,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:17,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 91 states and 164 transitions. [2024-11-25 03:20:17,100 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 164 transitions. [2024-11-25 03:20:17,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-25 03:20:17,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:17,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:17,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-25 03:20:17,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:17,561 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 03:20:20,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:20,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 101 states and 184 transitions. [2024-11-25 03:20:20,706 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 184 transitions. [2024-11-25 03:20:20,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-25 03:20:20,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:20,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:21,060 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 12 proven. 50 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 03:20:22,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:22,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 105 states and 192 transitions. [2024-11-25 03:20:22,460 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 192 transitions. [2024-11-25 03:20:22,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-25 03:20:22,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:22,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:23,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-25 03:20:23,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:23,614 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 27 proven. 90 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-25 03:20:24,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:24,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 109 states and 199 transitions. [2024-11-25 03:20:24,493 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 199 transitions. [2024-11-25 03:20:24,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-25 03:20:24,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:24,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:24,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-25 03:20:24,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:25,000 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 13 proven. 79 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-25 03:20:28,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:28,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 119 states and 219 transitions. [2024-11-25 03:20:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 219 transitions. [2024-11-25 03:20:28,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-25 03:20:28,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:28,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:29,135 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 14 proven. 72 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-25 03:20:30,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:30,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 123 states and 227 transitions. [2024-11-25 03:20:30,888 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 227 transitions. [2024-11-25 03:20:30,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-25 03:20:30,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:30,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:31,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 03:20:31,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:31,789 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 31 proven. 106 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-25 03:20:32,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:32,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 127 states and 234 transitions. [2024-11-25 03:20:32,821 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 234 transitions. [2024-11-25 03:20:32,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-25 03:20:32,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:32,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:32,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-25 03:20:32,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:33,389 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 84 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-25 03:20:37,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:37,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 137 states and 254 transitions. [2024-11-25 03:20:37,702 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 254 transitions. [2024-11-25 03:20:37,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-25 03:20:37,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:37,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:38,276 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 16 proven. 98 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-25 03:20:40,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:40,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 141 states and 262 transitions. [2024-11-25 03:20:40,297 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 262 transitions. [2024-11-25 03:20:40,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-25 03:20:40,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:40,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:41,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-25 03:20:41,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:41,411 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 32 proven. 156 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-25 03:20:42,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:42,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 145 states and 269 transitions. [2024-11-25 03:20:42,444 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 269 transitions. [2024-11-25 03:20:42,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-25 03:20:42,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:42,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:42,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-25 03:20:42,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:43,061 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 18 proven. 112 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-25 03:20:47,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:47,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 155 states and 289 transitions. [2024-11-25 03:20:47,718 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 289 transitions. [2024-11-25 03:20:47,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-25 03:20:47,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:47,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:48,359 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 18 proven. 128 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-25 03:20:50,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:50,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 159 states and 297 transitions. [2024-11-25 03:20:50,484 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 297 transitions. [2024-11-25 03:20:50,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-25 03:20:50,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:50,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:51,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-25 03:20:51,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:52,404 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 55 proven. 176 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-25 03:20:53,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:53,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 163 states and 304 transitions. [2024-11-25 03:20:53,815 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 304 transitions. [2024-11-25 03:20:53,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-25 03:20:53,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:53,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:53,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-25 03:20:53,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:54,575 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 19 proven. 172 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-25 03:20:59,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:59,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 173 states and 324 transitions. [2024-11-25 03:20:59,867 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 324 transitions. [2024-11-25 03:20:59,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-25 03:20:59,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:59,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:00,557 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 20 proven. 162 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-25 03:21:02,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:02,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 177 states and 332 transitions. [2024-11-25 03:21:02,947 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 332 transitions. [2024-11-25 03:21:02,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-25 03:21:02,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:02,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:21:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:04,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-11-25 03:21:04,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:05,102 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 54 proven. 251 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-25 03:21:06,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:06,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 181 states and 339 transitions. [2024-11-25 03:21:06,417 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 339 transitions. [2024-11-25 03:21:06,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-25 03:21:06,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:06,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:21:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:06,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-25 03:21:06,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:07,130 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 22 proven. 180 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-25 03:21:13,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:13,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 191 states and 359 transitions. [2024-11-25 03:21:13,034 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 359 transitions. [2024-11-25 03:21:13,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-25 03:21:13,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:13,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:13,682 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-25 03:21:16,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:16,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 195 states and 367 transitions. [2024-11-25 03:21:16,365 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 367 transitions. [2024-11-25 03:21:16,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-25 03:21:16,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:16,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:21:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:18,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-25 03:21:18,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:19,431 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 71 proven. 258 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-25 03:21:21,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:21,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 199 states and 374 transitions. [2024-11-25 03:21:21,333 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 374 transitions. [2024-11-25 03:21:21,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-25 03:21:21,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:21,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:21:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:21,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-25 03:21:21,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:22,161 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 23 proven. 254 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-25 03:21:28,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:28,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 209 states and 394 transitions. [2024-11-25 03:21:28,803 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 394 transitions. [2024-11-25 03:21:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-25 03:21:28,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:28,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:29,544 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 24 proven. 242 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-25 03:21:32,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:32,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 213 states and 402 transitions. [2024-11-25 03:21:32,486 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 402 transitions. [2024-11-25 03:21:32,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-25 03:21:32,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:32,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:21:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:32,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-25 03:21:32,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:32,908 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 84 proven. 321 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-11-25 03:21:34,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:34,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 217 states and 409 transitions. [2024-11-25 03:21:34,491 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 409 transitions. [2024-11-25 03:21:34,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-25 03:21:34,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:34,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:21:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:34,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-25 03:21:34,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:35,366 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 25 proven. 301 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-25 03:21:42,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:42,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 227 states and 429 transitions. [2024-11-25 03:21:42,539 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 429 transitions. [2024-11-25 03:21:42,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-25 03:21:42,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:42,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:43,287 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 26 proven. 288 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-25 03:21:46,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:46,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 231 states and 437 transitions. [2024-11-25 03:21:46,500 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 437 transitions. [2024-11-25 03:21:46,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-25 03:21:46,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:46,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:21:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:51,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-11-25 03:21:51,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:52,502 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 77 proven. 390 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-25 03:21:54,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:54,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 235 states and 444 transitions. [2024-11-25 03:21:54,461 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 444 transitions. [2024-11-25 03:21:54,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-25 03:21:54,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:54,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:21:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:54,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-25 03:21:54,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:55,489 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 27 proven. 352 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-25 03:22:03,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:03,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 245 states and 464 transitions. [2024-11-25 03:22:03,524 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 464 transitions. [2024-11-25 03:22:03,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-25 03:22:03,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:03,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:22:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:04,498 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 28 proven. 338 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-25 03:22:08,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:08,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 249 states and 472 transitions. [2024-11-25 03:22:08,234 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 472 transitions. [2024-11-25 03:22:08,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-25 03:22:08,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:08,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:22:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:22:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:22:18,328 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) [2024-11-25 03:22:18,333 INFO L158 Benchmark]: Toolchain (without parser) took 141618.13ms. Allocated memory was 117.4MB in the beginning and 906.0MB in the end (delta: 788.5MB). Free memory was 93.8MB in the beginning and 552.1MB in the end (delta: -458.3MB). Peak memory consumption was 331.7MB. Max. memory is 16.1GB. [2024-11-25 03:22:18,334 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:22:18,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.20ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 82.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:22:18,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.48ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:22:18,335 INFO L158 Benchmark]: Boogie Preprocessor took 20.43ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.2MB in the end (delta: 782.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:22:18,335 INFO L158 Benchmark]: RCFGBuilder took 266.76ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 67.8MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:22:18,336 INFO L158 Benchmark]: CodeCheck took 141041.88ms. Allocated memory was 117.4MB in the beginning and 906.0MB in the end (delta: 788.5MB). Free memory was 67.5MB in the beginning and 552.1MB in the end (delta: -484.6MB). Peak memory consumption was 306.5MB. Max. memory is 16.1GB. [2024-11-25 03:22:18,338 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 0.39ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.20ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 82.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.48ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.43ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.2MB in the end (delta: 782.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 266.76ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 67.8MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 141041.88ms. Allocated memory was 117.4MB in the beginning and 906.0MB in the end (delta: 788.5MB). Free memory was 67.5MB in the beginning and 552.1MB in the end (delta: -484.6MB). Peak memory consumption was 306.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:22:18,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/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_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3 --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 946e199240c0e980bd422384e40e4d2247ef6b3560471b18ba5a354c3628dba9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:22:21,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:22:21,519 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 03:22:21,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:22:21,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:22:21,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:22:21,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:22:21,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:22:21,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:22:21,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:22:21,571 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:22:21,571 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:22:21,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:22:21,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:22:21,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:22:21,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:22:21,571 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:22:21,571 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:22:21,594 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:22:21,594 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:22:21,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:22:21,594 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:22:21,594 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:22:21,594 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:22:21,595 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:22:21,595 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:22:21,595 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:22:21,595 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:22:21,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:22:21,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:22:21,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:22:21,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:22:21,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:22:21,595 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:22:21,596 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:22:21,596 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:22:21,596 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_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3 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 -> 946e199240c0e980bd422384e40e4d2247ef6b3560471b18ba5a354c3628dba9 [2024-11-25 03:22:21,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:22:21,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:22:21,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:22:21,987 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:22:21,988 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:22:21,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c [2024-11-25 03:22:25,167 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/data/70b0b19a1/fb4ab3d828934a9485799de3a204fd61/FLAG6326e5812 [2024-11-25 03:22:25,478 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:22:25,479 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c [2024-11-25 03:22:25,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/data/70b0b19a1/fb4ab3d828934a9485799de3a204fd61/FLAG6326e5812 [2024-11-25 03:22:25,554 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/data/70b0b19a1/fb4ab3d828934a9485799de3a204fd61 [2024-11-25 03:22:25,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:22:25,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:22:25,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:22:25,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:22:25,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:22:25,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:22:25" (1/1) ... [2024-11-25 03:22:25,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da0d11b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:25, skipping insertion in model container [2024-11-25 03:22:25,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:22:25" (1/1) ... [2024-11-25 03:22:25,630 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:22:25,885 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_0a515383-20d6-472e-b5f7-89b6b44ecf50/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c[458,471] [2024-11-25 03:22:25,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:22:25,949 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:22:25,966 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_0a515383-20d6-472e-b5f7-89b6b44ecf50/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c[458,471] [2024-11-25 03:22:25,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:22:26,016 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:22:26,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:26 WrapperNode [2024-11-25 03:22:26,017 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:22:26,019 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:22:26,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:22:26,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:22:26,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:26" (1/1) ... [2024-11-25 03:22:26,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:26" (1/1) ... [2024-11-25 03:22:26,069 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-25 03:22:26,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:22:26,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:22:26,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:22:26,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:22:26,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:26" (1/1) ... [2024-11-25 03:22:26,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:26" (1/1) ... [2024-11-25 03:22:26,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:26" (1/1) ... [2024-11-25 03:22:26,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:26" (1/1) ... [2024-11-25 03:22:26,096 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:26" (1/1) ... [2024-11-25 03:22:26,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:26" (1/1) ... [2024-11-25 03:22:26,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:26" (1/1) ... [2024-11-25 03:22:26,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:26" (1/1) ... [2024-11-25 03:22:26,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:26" (1/1) ... [2024-11-25 03:22:26,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:22:26,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:22:26,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:22:26,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:22:26,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:26" (1/1) ... [2024-11-25 03:22:26,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:22:26,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:22:26,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:22:26,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:22:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:22:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:22:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:22:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:22:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:22:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:22:26,263 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:22:26,265 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:22:26,789 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 03:22:26,789 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:22:26,847 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:22:26,847 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:22:26,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:22:26 BoogieIcfgContainer [2024-11-25 03:22:26,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:22:26,849 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:22:26,849 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:22:26,866 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:22:26,866 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:22:26" (1/1) ... [2024-11-25 03:22:26,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:22:26,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:26,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-25 03:22:26,948 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-25 03:22:26,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:22:26,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:26,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:22:26,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:22:26,958 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:22:26,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:22:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:27,080 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:22:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:27,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 03:22:27,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:22:27,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:22:27,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:22:27,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:27,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 03:22:27,444 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 03:22:27,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:22:27,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:27,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:22:27,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:22:27,449 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:22:27,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:22:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:28,004 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:22:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:28,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 03:22:28,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:22:28,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:22:28,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:22:30,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:30,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-25 03:22:30,441 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-25 03:22:30,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:22:30,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:30,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:22:30,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:22:30,451 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:22:30,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:22:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:30,955 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:22:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:31,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 03:22:31,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:22:31,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:22:31,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 03:22:32,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:32,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:22:32,064 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:22:32,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:22:32,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:32,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:22:32,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:22:32,070 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:22:32,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 03:22:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:32,633 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:22:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:32,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:22:32,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:22:54,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:22:54,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-25 03:23:27,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:23:30,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:23:30,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2024-11-25 03:23:30,430 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2024-11-25 03:23:30,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 03:23:30,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:23:30,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:23:30,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:23:30,433 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:23:30,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 03:23:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:23:31,556 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:23:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:23:31,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:23:31,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:23:33,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:23:33,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 03:24:11,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:24:13,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:24:22,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:24:33,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:24:33,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2024-11-25 03:24:33,787 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-11-25 03:24:33,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:24:33,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:24:33,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:24:33,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:24:33,793 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:24:33,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 03:24:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:24:34,340 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:24:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:24:34,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 03:24:34,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:24:36,540 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:24:36,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 03:25:45,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:25:45,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2024-11-25 03:25:45,895 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-11-25 03:25:45,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 03:25:45,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:25:45,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:25:45,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:25:45,899 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:25:45,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 03:25:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:25:46,892 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:25:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:25:47,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:25:47,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:25:52,665 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:25:52,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-25 03:26:34,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:26:47,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:26:47,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2024-11-25 03:26:47,777 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2024-11-25 03:26:47,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:26:47,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:26:47,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:26:47,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:26:47,781 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:26:47,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 03:26:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:26:49,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:26:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:26:50,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:26:50,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:26:53,095 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:26:53,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 03:27:25,257 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:28:03,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:28:32,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:28:33,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:33,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 85 transitions. [2024-11-25 03:28:33,969 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2024-11-25 03:28:33,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 03:28:33,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:33,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:28:33,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:28:33,975 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:28:33,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 03:28:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:35,330 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:28:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:35,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 03:28:35,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:41,654 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 03:28:41,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 03:31:25,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:31:25,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 53 states and 115 transitions. [2024-11-25 03:31:25,099 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 115 transitions. [2024-11-25 03:31:25,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:31:25,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:31:25,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:31:25,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:31:25,107 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:31:25,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 03:31:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:27,138 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:31:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:28,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 03:31:28,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:31:35,605 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:31:35,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 03:33:03,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:33:03,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 61 states and 147 transitions. [2024-11-25 03:33:03,348 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 147 transitions. [2024-11-25 03:33:03,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:33:03,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:33:03,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:33:03,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:33:03,356 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:33:03,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 03:33:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:33:05,877 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:33:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:33:07,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 03:33:07,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:33:10,520 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 03:33:10,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a515383-20d6-472e-b5f7-89b6b44ecf50/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 03:33:48,297 WARN L286 SmtUtils]: Spent 5.62s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:34:42,607 WARN L286 SmtUtils]: Spent 6.93s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:34:44,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []