./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.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_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/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_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/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_c0a29dce-6611-4e7d-8082-0e669adedab5/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 870f3f117c59e986b23526e49a2d44ed8c8e543941d3d310e77e3939c7927e70 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:23:16,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:23:16,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:23:16,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:23:16,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:23:16,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:23:16,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:23:16,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:23:16,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:23:16,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:23:16,830 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:23:16,830 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:23:16,830 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:23:16,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:23:16,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:23:16,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:23:16,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:23:16,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:23:16,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:23:16,831 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:23:16,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:23:16,832 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:23:16,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:23:16,832 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:23:16,832 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:23:16,832 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:23:16,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:23:16,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:23:16,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:23:16,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:23:16,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:23:16,834 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:23:16,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:23:16,834 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_c0a29dce-6611-4e7d-8082-0e669adedab5/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 -> 870f3f117c59e986b23526e49a2d44ed8c8e543941d3d310e77e3939c7927e70 [2024-11-25 04:23:17,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:23:17,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:23:17,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:23:17,246 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:23:17,246 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:23:17,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c [2024-11-25 04:23:20,707 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/data/cfa64c452/fa172fd9fafc4a43b0fb09731627ad93/FLAG458bd33e5 [2024-11-25 04:23:20,991 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:23:20,992 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c [2024-11-25 04:23:21,001 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/data/cfa64c452/fa172fd9fafc4a43b0fb09731627ad93/FLAG458bd33e5 [2024-11-25 04:23:21,017 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/data/cfa64c452/fa172fd9fafc4a43b0fb09731627ad93 [2024-11-25 04:23:21,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:23:21,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:23:21,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:23:21,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:23:21,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:23:21,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:23:21" (1/1) ... [2024-11-25 04:23:21,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@db81c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:21, skipping insertion in model container [2024-11-25 04:23:21,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:23:21" (1/1) ... [2024-11-25 04:23:21,048 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:23:21,233 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_c0a29dce-6611-4e7d-8082-0e669adedab5/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c[458,471] [2024-11-25 04:23:21,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:23:21,266 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:23:21,278 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_c0a29dce-6611-4e7d-8082-0e669adedab5/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c[458,471] [2024-11-25 04:23:21,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:23:21,311 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:23:21,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:21 WrapperNode [2024-11-25 04:23:21,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:23:21,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:23:21,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:23:21,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:23:21,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:21" (1/1) ... [2024-11-25 04:23:21,335 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:21" (1/1) ... [2024-11-25 04:23:21,356 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2024-11-25 04:23:21,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:23:21,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:23:21,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:23:21,358 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:23:21,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:21" (1/1) ... [2024-11-25 04:23:21,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:21" (1/1) ... [2024-11-25 04:23:21,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:21" (1/1) ... [2024-11-25 04:23:21,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:21" (1/1) ... [2024-11-25 04:23:21,376 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:21" (1/1) ... [2024-11-25 04:23:21,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:21" (1/1) ... [2024-11-25 04:23:21,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:21" (1/1) ... [2024-11-25 04:23:21,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:21" (1/1) ... [2024-11-25 04:23:21,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:21" (1/1) ... [2024-11-25 04:23:21,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:23:21,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:23:21,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:23:21,391 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:23:21,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:21" (1/1) ... [2024-11-25 04:23:21,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:23:21,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:23:21,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:23:21,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:23:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:23:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:23:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:23:21,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:23:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:23:21,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:23:21,543 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:23:21,546 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:23:21,702 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 04:23:21,706 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:23:21,738 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:23:21,739 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:23:21,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:23:21 BoogieIcfgContainer [2024-11-25 04:23:21,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:23:21,740 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:23:21,740 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:23:21,753 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:23:21,753 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:23:21" (1/1) ... [2024-11-25 04:23:21,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:23:21,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:21,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-25 04:23:21,835 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-25 04:23:21,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:23:21,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:21,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:21,981 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 04:23:22,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:22,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 04:23:22,001 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 04:23:22,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:23:22,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:22,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:22,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:23:22,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:22,244 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 04:23:22,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:22,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-11-25 04:23:22,362 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-25 04:23:22,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:23:22,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:22,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:22,515 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 04:23:22,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-25 04:23:22,806 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-25 04:23:22,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:23:22,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:22,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:22,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:23:22,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:22,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:23:22,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:22,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2024-11-25 04:23:22,951 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2024-11-25 04:23:22,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 04:23:22,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:22,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:23,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 04:23:23,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:23,122 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:23:23,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:23,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2024-11-25 04:23:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2024-11-25 04:23:23,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 04:23:23,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:23,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:23,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:23:24,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:24,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2024-11-25 04:23:24,317 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-11-25 04:23:24,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:23:24,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:24,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:24,573 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 04:23:25,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:25,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-11-25 04:23:25,185 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-11-25 04:23:25,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 04:23:25,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:25,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:25,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:23:25,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:25,487 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:23:27,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:27,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2024-11-25 04:23:27,192 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2024-11-25 04:23:27,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:23:27,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:27,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:27,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-25 04:23:27,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:27,506 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:23:27,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:27,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2024-11-25 04:23:27,949 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2024-11-25 04:23:27,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:23:27,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:27,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:28,186 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:23:29,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:29,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2024-11-25 04:23:29,213 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2024-11-25 04:23:29,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 04:23:29,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:29,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:29,336 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 04:23:29,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:29,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 89 transitions. [2024-11-25 04:23:29,623 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2024-11-25 04:23:29,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 04:23:29,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:29,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:29,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:23:29,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:30,002 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 04:23:32,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:32,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 59 states and 109 transitions. [2024-11-25 04:23:32,276 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 109 transitions. [2024-11-25 04:23:32,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 04:23:32,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:32,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:32,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 04:23:32,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:32,511 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:23:32,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:32,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 62 states and 115 transitions. [2024-11-25 04:23:32,959 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 115 transitions. [2024-11-25 04:23:32,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 04:23:32,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:32,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:33,237 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 04:23:34,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:34,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 66 states and 123 transitions. [2024-11-25 04:23:34,341 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2024-11-25 04:23:34,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 04:23:34,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:34,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:34,456 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-25 04:23:34,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:34,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 67 states and 125 transitions. [2024-11-25 04:23:34,817 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2024-11-25 04:23:34,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 04:23:34,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:34,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:34,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 04:23:34,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:35,288 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 34 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 04:23:37,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:37,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2024-11-25 04:23:37,948 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2024-11-25 04:23:37,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 04:23:37,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:37,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:38,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 04:23:38,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:38,182 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 04:23:38,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:38,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 79 states and 151 transitions. [2024-11-25 04:23:38,706 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 151 transitions. [2024-11-25 04:23:38,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 04:23:38,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:38,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:39,062 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 04:23:40,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:40,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 83 states and 159 transitions. [2024-11-25 04:23:40,365 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 159 transitions. [2024-11-25 04:23:40,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 04:23:40,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:40,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:40,448 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-25 04:23:40,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:40,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 84 states and 161 transitions. [2024-11-25 04:23:40,780 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 161 transitions. [2024-11-25 04:23:40,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-25 04:23:40,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:40,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:40,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 04:23:40,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:41,272 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 53 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 04:23:44,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:44,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 93 states and 181 transitions. [2024-11-25 04:23:44,473 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 181 transitions. [2024-11-25 04:23:44,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 04:23:44,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:44,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:44,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-25 04:23:44,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:44,808 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 04:23:45,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:45,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 96 states and 187 transitions. [2024-11-25 04:23:45,428 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 187 transitions. [2024-11-25 04:23:45,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 04:23:45,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:45,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:45,845 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 04:23:47,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:47,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 100 states and 195 transitions. [2024-11-25 04:23:47,420 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 195 transitions. [2024-11-25 04:23:47,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-25 04:23:47,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:47,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:47,495 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-25 04:23:47,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:47,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 101 states and 197 transitions. [2024-11-25 04:23:47,949 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 197 transitions. [2024-11-25 04:23:47,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 04:23:47,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:47,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:47,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-25 04:23:48,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:48,529 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 04:23:52,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:52,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 110 states and 217 transitions. [2024-11-25 04:23:52,142 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 217 transitions. [2024-11-25 04:23:52,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-25 04:23:52,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:52,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:52,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-25 04:23:52,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:52,929 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 26 proven. 79 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-25 04:23:54,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:54,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 113 states and 223 transitions. [2024-11-25 04:23:54,163 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 223 transitions. [2024-11-25 04:23:54,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-25 04:23:54,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:54,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:54,598 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 72 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 04:23:56,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:56,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 117 states and 231 transitions. [2024-11-25 04:23:56,819 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 231 transitions. [2024-11-25 04:23:56,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-25 04:23:56,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:56,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:56,892 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-25 04:23:57,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:57,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 118 states and 233 transitions. [2024-11-25 04:23:57,465 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 233 transitions. [2024-11-25 04:23:57,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-25 04:23:57,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:57,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:57,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-25 04:23:57,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:58,071 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-25 04:24:02,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:02,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 127 states and 253 transitions. [2024-11-25 04:24:02,299 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 253 transitions. [2024-11-25 04:24:02,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-25 04:24:02,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:02,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:02,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 04:24:02,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:02,976 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 04:24:03,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:03,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 130 states and 259 transitions. [2024-11-25 04:24:03,986 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 259 transitions. [2024-11-25 04:24:03,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-25 04:24:03,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:03,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:04,506 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 98 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-25 04:24:06,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:06,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 134 states and 267 transitions. [2024-11-25 04:24:06,840 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 267 transitions. [2024-11-25 04:24:06,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-25 04:24:06,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:06,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:06,909 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-11-25 04:24:07,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:07,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 135 states and 269 transitions. [2024-11-25 04:24:07,498 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 269 transitions. [2024-11-25 04:24:07,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-25 04:24:07,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:07,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:07,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-25 04:24:07,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:08,177 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-25 04:24:13,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:13,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 144 states and 289 transitions. [2024-11-25 04:24:13,205 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 289 transitions. [2024-11-25 04:24:13,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-25 04:24:13,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:13,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:13,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-25 04:24:13,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:14,043 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 36 proven. 137 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-25 04:24:15,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:15,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 147 states and 295 transitions. [2024-11-25 04:24:15,119 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 295 transitions. [2024-11-25 04:24:15,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-25 04:24:15,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:15,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:15,717 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 128 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-25 04:24:18,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:18,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 151 states and 303 transitions. [2024-11-25 04:24:18,259 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 303 transitions. [2024-11-25 04:24:18,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-25 04:24:18,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:18,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:18,324 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-25 04:24:19,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:19,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 152 states and 305 transitions. [2024-11-25 04:24:19,016 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 305 transitions. [2024-11-25 04:24:19,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-25 04:24:19,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:19,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:19,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-25 04:24:19,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:19,795 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 17 proven. 169 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-25 04:24:25,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:25,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 161 states and 325 transitions. [2024-11-25 04:24:25,451 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 325 transitions. [2024-11-25 04:24:25,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-25 04:24:25,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:25,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:26,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-25 04:24:26,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:26,506 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 39 proven. 204 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-25 04:24:27,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:27,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 164 states and 331 transitions. [2024-11-25 04:24:27,592 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 331 transitions. [2024-11-25 04:24:27,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-25 04:24:27,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:27,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:28,161 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 18 proven. 162 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-25 04:24:30,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:30,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 168 states and 339 transitions. [2024-11-25 04:24:30,946 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 339 transitions. [2024-11-25 04:24:30,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-25 04:24:30,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:30,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:31,014 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-11-25 04:24:31,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:31,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 169 states and 341 transitions. [2024-11-25 04:24:31,735 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 341 transitions. [2024-11-25 04:24:31,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-25 04:24:31,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:31,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:31,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-25 04:24:31,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:32,616 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 20 proven. 180 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-25 04:24:39,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:39,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 178 states and 361 transitions. [2024-11-25 04:24:39,017 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 361 transitions. [2024-11-25 04:24:39,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-25 04:24:39,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:39,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:39,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-25 04:24:39,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:40,343 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 46 proven. 211 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-25 04:24:41,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:41,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 181 states and 367 transitions. [2024-11-25 04:24:41,883 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 367 transitions. [2024-11-25 04:24:41,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-25 04:24:41,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:41,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:42,597 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 20 proven. 200 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-25 04:24:45,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:45,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 185 states and 375 transitions. [2024-11-25 04:24:45,706 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 375 transitions. [2024-11-25 04:24:45,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-25 04:24:45,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:45,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:45,778 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-11-25 04:24:46,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:46,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 186 states and 377 transitions. [2024-11-25 04:24:46,636 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 377 transitions. [2024-11-25 04:24:46,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-25 04:24:46,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:46,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:46,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-25 04:24:46,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:47,666 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 21 proven. 251 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-25 04:24:54,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:54,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 195 states and 397 transitions. [2024-11-25 04:24:54,900 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 397 transitions. [2024-11-25 04:24:54,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-25 04:24:54,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:54,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:54,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-11-25 04:24:54,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:55,544 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 79 proven. 286 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-11-25 04:24:56,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:56,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 198 states and 403 transitions. [2024-11-25 04:24:56,897 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 403 transitions. [2024-11-25 04:24:56,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-25 04:24:56,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:56,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:57,712 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 22 proven. 242 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-25 04:25:01,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:01,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 202 states and 411 transitions. [2024-11-25 04:25:01,171 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 411 transitions. [2024-11-25 04:25:01,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-25 04:25:01,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:01,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 63 proven. 4 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-11-25 04:25:02,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:02,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 203 states and 413 transitions. [2024-11-25 04:25:02,057 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 413 transitions. [2024-11-25 04:25:02,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-25 04:25:02,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:02,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:25:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:02,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-25 04:25:02,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:03,070 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 23 proven. 298 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-25 04:25:10,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:10,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 212 states and 433 transitions. [2024-11-25 04:25:10,986 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 433 transitions. [2024-11-25 04:25:10,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-25 04:25:10,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:10,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:25:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:11,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-25 04:25:11,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:12,435 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 56 proven. 301 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-25 04:25:14,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:14,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 215 states and 439 transitions. [2024-11-25 04:25:14,443 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 439 transitions. [2024-11-25 04:25:14,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-25 04:25:14,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:14,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:15,257 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 24 proven. 288 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-25 04:25:19,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:19,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 219 states and 447 transitions. [2024-11-25 04:25:19,116 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 447 transitions. [2024-11-25 04:25:19,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-25 04:25:19,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:19,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:19,189 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2024-11-25 04:25:20,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:20,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 220 states and 449 transitions. [2024-11-25 04:25:20,184 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 449 transitions. [2024-11-25 04:25:20,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-25 04:25:20,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:20,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:25:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:20,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-25 04:25:20,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:21,277 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 26 proven. 312 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-25 04:25:29,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:29,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 229 states and 469 transitions. [2024-11-25 04:25:29,877 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 469 transitions. [2024-11-25 04:25:29,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-25 04:25:29,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:29,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:25:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:29,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-25 04:25:29,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:30,524 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 101 proven. 402 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-25 04:25:32,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:32,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 232 states and 475 transitions. [2024-11-25 04:25:32,264 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 475 transitions. [2024-11-25 04:25:32,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-25 04:25:32,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:32,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:33,109 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 26 proven. 338 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-25 04:25:37,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:37,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 236 states and 483 transitions. [2024-11-25 04:25:37,200 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 483 transitions. [2024-11-25 04:25:37,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-25 04:25:37,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:37,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:37,279 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 75 proven. 4 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2024-11-25 04:25:38,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:38,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 237 states and 485 transitions. [2024-11-25 04:25:38,222 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 485 transitions. [2024-11-25 04:25:38,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-25 04:25:38,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:38,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:25:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:38,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-11-25 04:25:38,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:39,488 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 27 proven. 404 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-25 04:25:48,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:48,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 246 states and 505 transitions. [2024-11-25 04:25:48,868 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 505 transitions. [2024-11-25 04:25:48,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-25 04:25:48,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:48,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:25:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:49,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-25 04:25:49,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:50,002 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 85 proven. 448 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-25 04:25:51,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:51,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 249 states and 511 transitions. [2024-11-25 04:25:51,869 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 511 transitions. [2024-11-25 04:25:51,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-25 04:25:51,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:51,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:52,797 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 28 proven. 392 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-25 04:25:57,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:57,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 253 states and 519 transitions. [2024-11-25 04:25:57,496 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 519 transitions. [2024-11-25 04:25:57,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-25 04:25:57,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:57,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:57,561 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2024-11-25 04:25:58,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:58,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 254 states and 521 transitions. [2024-11-25 04:25:58,572 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 521 transitions. [2024-11-25 04:25:58,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-25 04:25:58,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:58,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:25:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:58,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-11-25 04:25:58,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:59,827 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 29 proven. 463 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-25 04:26:10,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:10,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 263 states and 541 transitions. [2024-11-25 04:26:10,028 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 541 transitions. [2024-11-25 04:26:10,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-25 04:26:10,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:10,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:26:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:26:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:10,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-25 04:26:10,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:10,772 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 171 proven. 486 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-11-25 04:26:12,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:12,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 266 states and 547 transitions. [2024-11-25 04:26:12,682 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 547 transitions. [2024-11-25 04:26:12,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-25 04:26:12,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:12,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:26:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:13,679 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 30 proven. 450 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-25 04:26:18,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:18,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 270 states and 555 transitions. [2024-11-25 04:26:18,523 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 555 transitions. [2024-11-25 04:26:18,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-25 04:26:18,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:18,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:26:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:18,584 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 87 proven. 4 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked. [2024-11-25 04:26:19,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:19,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 271 states and 557 transitions. [2024-11-25 04:26:19,640 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 557 transitions. [2024-11-25 04:26:19,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-25 04:26:19,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:19,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:26:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:26:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:19,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-25 04:26:19,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:21,084 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 32 proven. 480 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-25 04:26:32,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:32,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 280 states and 577 transitions. [2024-11-25 04:26:32,150 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 577 transitions. [2024-11-25 04:26:32,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-25 04:26:32,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:32,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:26:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:26:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:26:42,239 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 04:26:42,244 INFO L158 Benchmark]: Toolchain (without parser) took 201223.19ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 92.9MB in the beginning and 951.9MB in the end (delta: -859.0MB). Peak memory consumption was 474.1MB. Max. memory is 16.1GB. [2024-11-25 04:26:42,244 INFO L158 Benchmark]: CDTParser took 1.06ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:26:42,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.66ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:26:42,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.93ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:26:42,247 INFO L158 Benchmark]: Boogie Preprocessor took 28.65ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.6MB in the end (delta: 558.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:26:42,247 INFO L158 Benchmark]: RCFGBuilder took 353.15ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 69.3MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:26:42,247 INFO L158 Benchmark]: CodeCheck took 200502.92ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 69.3MB in the beginning and 951.9MB in the end (delta: -882.6MB). Peak memory consumption was 448.9MB. Max. memory is 16.1GB. [2024-11-25 04:26:42,249 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 1.06ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.66ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.93ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.65ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.6MB in the end (delta: 558.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 353.15ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 69.3MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 200502.92ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 69.3MB in the beginning and 951.9MB in the end (delta: -882.6MB). Peak memory consumption was 448.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:26:42,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/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_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/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_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/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_c0a29dce-6611-4e7d-8082-0e669adedab5/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 870f3f117c59e986b23526e49a2d44ed8c8e543941d3d310e77e3939c7927e70 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:26:44,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:26:45,021 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 04:26:45,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:26:45,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:26:45,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:26:45,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:26:45,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:26:45,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:26:45,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:26:45,070 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:26:45,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:26:45,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:26:45,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:26:45,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:26:45,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:26:45,071 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:26:45,071 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:26:45,071 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:26:45,071 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:26:45,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:26:45,072 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:26:45,072 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:26:45,072 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:26:45,072 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:26:45,072 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:26:45,072 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:45,073 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:26:45,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:26:45,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:26:45,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:26:45,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:26:45,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:26:45,074 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:26:45,074 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:45,074 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:26:45,074 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_c0a29dce-6611-4e7d-8082-0e669adedab5/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 -> 870f3f117c59e986b23526e49a2d44ed8c8e543941d3d310e77e3939c7927e70 [2024-11-25 04:26:45,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:26:45,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:26:45,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:26:45,413 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:26:45,413 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:26:45,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c [2024-11-25 04:26:48,437 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/data/3f7e883c0/a3b8878b9fd44b9bbebac0d336a7e4c8/FLAG8f5482067 [2024-11-25 04:26:48,699 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:26:48,699 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c [2024-11-25 04:26:48,707 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/data/3f7e883c0/a3b8878b9fd44b9bbebac0d336a7e4c8/FLAG8f5482067 [2024-11-25 04:26:48,998 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/data/3f7e883c0/a3b8878b9fd44b9bbebac0d336a7e4c8 [2024-11-25 04:26:49,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:26:49,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:26:49,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:26:49,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:26:49,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:26:49,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:26:48" (1/1) ... [2024-11-25 04:26:49,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@160811fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:26:49, skipping insertion in model container [2024-11-25 04:26:49,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:26:48" (1/1) ... [2024-11-25 04:26:49,022 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:26:49,206 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_c0a29dce-6611-4e7d-8082-0e669adedab5/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c[458,471] [2024-11-25 04:26:49,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:26:49,247 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:26:49,256 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_c0a29dce-6611-4e7d-8082-0e669adedab5/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c[458,471] [2024-11-25 04:26:49,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:26:49,278 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:26:49,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:26:49 WrapperNode [2024-11-25 04:26:49,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:26:49,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:26:49,279 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:26:49,279 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:26:49,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:26:49" (1/1) ... [2024-11-25 04:26:49,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:26:49" (1/1) ... [2024-11-25 04:26:49,303 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-25 04:26:49,303 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:26:49,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:26:49,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:26:49,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:26:49,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:26:49" (1/1) ... [2024-11-25 04:26:49,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:26:49" (1/1) ... [2024-11-25 04:26:49,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:26:49" (1/1) ... [2024-11-25 04:26:49,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:26:49" (1/1) ... [2024-11-25 04:26:49,318 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:26:49" (1/1) ... [2024-11-25 04:26:49,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:26:49" (1/1) ... [2024-11-25 04:26:49,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:26:49" (1/1) ... [2024-11-25 04:26:49,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:26:49" (1/1) ... [2024-11-25 04:26:49,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:26:49" (1/1) ... [2024-11-25 04:26:49,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:26:49,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:26:49,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:26:49,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:26:49,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:26:49" (1/1) ... [2024-11-25 04:26:49,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:26:49,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:26:49,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:26:49,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:26:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:26:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:26:49,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:26:49,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:26:49,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:26:49,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:26:49,464 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:26:49,465 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:26:49,717 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 04:26:49,717 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:26:49,742 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:26:49,742 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:26:49,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:26:49 BoogieIcfgContainer [2024-11-25 04:26:49,743 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:26:49,744 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:26:49,744 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:26:49,755 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:26:49,756 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:26:49" (1/1) ... [2024-11-25 04:26:49,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:26:49,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:49,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-25 04:26:49,829 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-25 04:26:49,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:26:49,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:49,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:49,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:49,840 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:49,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:26:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:49,941 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:50,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 04:26:50,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:50,053 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 04:26:50,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 04:26:50,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:50,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 04:26:50,080 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 04:26:50,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:26:50,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:50,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:50,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:50,083 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:50,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:26:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:50,368 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:50,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 04:26:50,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:50,794 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 04:26:50,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 04:26:52,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-25 04:26:52,201 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-25 04:26:52,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:26:52,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:52,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:52,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:52,204 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:52,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:26:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:52,362 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:52,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 04:26:52,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:52,535 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 04:26:52,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 04:26:53,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:53,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 04:26:53,049 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 04:26:53,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:26:53,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:53,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:53,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:53,055 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:53,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 04:26:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:53,386 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:53,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:26:53,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:53,910 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 04:26:53,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 04:26:57,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:57,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 43 transitions. [2024-11-25 04:26:57,076 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 43 transitions. [2024-11-25 04:26:57,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 04:26:57,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:57,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:57,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:57,078 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:57,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 04:26:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:57,665 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:57,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 04:26:57,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:58,362 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 04:26:58,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 04:27:01,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:01,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2024-11-25 04:27:01,194 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2024-11-25 04:27:01,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 04:27:01,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:01,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:01,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:01,198 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:01,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 04:27:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:01,638 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:01,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:27:01,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:02,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:27:02,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-25 04:27:11,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:11,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 72 transitions. [2024-11-25 04:27:11,603 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 72 transitions. [2024-11-25 04:27:11,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:27:11,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:11,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:11,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:11,607 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:11,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 04:27:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:11,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:11,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:27:11,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:36,422 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 04:27:36,424 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 04:27:36,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 04:28:20,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:28:21,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:21,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-11-25 04:28:21,470 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-11-25 04:28:21,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 04:28:21,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:21,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:21,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:21,477 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:21,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 04:28:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:21,967 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:22,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:28:22,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:24,757 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:28:24,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 04:28:47,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:47,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 48 states and 110 transitions. [2024-11-25 04:28:47,073 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 110 transitions. [2024-11-25 04:28:47,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:28:47,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:47,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:47,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:47,078 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:47,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 04:28:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:47,728 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:48,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:28:48,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:49,347 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 04:28:49,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 04:28:58,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:58,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 52 states and 120 transitions. [2024-11-25 04:28:58,745 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 120 transitions. [2024-11-25 04:28:58,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:28:58,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:58,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:58,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:58,749 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:58,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 04:28:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:59,354 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:59,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:28:59,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:02,546 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:02,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-25 04:29:17,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:17,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 56 states and 128 transitions. [2024-11-25 04:29:17,981 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 128 transitions. [2024-11-25 04:29:17,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 04:29:17,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:17,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:17,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:17,986 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:17,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 04:29:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:18,040 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:18,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:29:18,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:20,982 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 04:29:20,983 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 04:29:20,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-25 04:29:46,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:46,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 57 states and 133 transitions. [2024-11-25 04:29:46,278 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 133 transitions. [2024-11-25 04:29:46,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 04:29:46,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:46,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:46,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:46,282 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:46,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 04:29:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:47,005 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:47,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:29:47,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:50,560 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:29:50,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 04:30:14,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:30:14,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:14,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 62 states and 154 transitions. [2024-11-25 04:30:14,484 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 154 transitions. [2024-11-25 04:30:14,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 04:30:14,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:14,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:14,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:14,488 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:14,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 04:30:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:15,375 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:15,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 04:30:15,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:17,651 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:30:17,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-25 04:30:30,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:30,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 66 states and 164 transitions. [2024-11-25 04:30:30,273 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 164 transitions. [2024-11-25 04:30:30,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 04:30:30,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:30,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:30,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:30,276 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:30,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 04:30:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:31,145 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:31,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 04:30:31,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:37,513 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:30:37,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-25 04:31:23,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:23,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 74 states and 207 transitions. [2024-11-25 04:31:23,814 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 207 transitions. [2024-11-25 04:31:23,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 04:31:23,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:23,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:23,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:23,818 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:23,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 04:31:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:23,870 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:24,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:31:24,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:27,482 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-25 04:31:27,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 04:32:05,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:05,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 75 states and 213 transitions. [2024-11-25 04:32:05,399 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 213 transitions. [2024-11-25 04:32:05,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 04:32:05,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:05,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:05,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:05,403 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:05,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 04:32:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:06,494 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:32:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:07,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:32:07,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:11,129 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 34 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 04:32:11,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-25 04:32:43,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:32:45,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:32:46,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:32:46,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:46,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 80 states and 240 transitions. [2024-11-25 04:32:46,467 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 240 transitions. [2024-11-25 04:32:46,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 04:32:46,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:46,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:46,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:46,470 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:46,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 04:32:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:47,564 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:32:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:48,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:32:48,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 9 proven. 47 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 04:32:50,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 04:33:07,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:07,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 84 states and 252 transitions. [2024-11-25 04:33:07,673 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 252 transitions. [2024-11-25 04:33:07,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 04:33:07,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:07,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:33:07,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:33:07,676 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:33:07,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 04:33:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:08,760 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:33:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:09,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 04:33:09,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:33:14,609 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:33:14,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 04:34:11,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:11,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 92 states and 304 transitions. [2024-11-25 04:34:11,696 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 304 transitions. [2024-11-25 04:34:11,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 04:34:11,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:11,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:11,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:34:11,703 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:34:11,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 04:34:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:11,755 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:34:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:12,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:34:12,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:14,870 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-25 04:34:14,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 04:34:54,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:54,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 93 states and 311 transitions. [2024-11-25 04:34:54,752 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 311 transitions. [2024-11-25 04:34:54,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-25 04:34:54,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:54,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:34:54,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:34:54,756 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:34:54,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 04:34:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:55,950 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:34:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:56,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:34:56,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:35:07,658 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 53 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 04:35:07,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 04:35:57,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 98 states and 344 transitions. [2024-11-25 04:35:57,497 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 344 transitions. [2024-11-25 04:35:57,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 04:35:57,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:35:57,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:35:57,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:35:57,501 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:35:57,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 04:35:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:58,957 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:35:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:59,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 04:35:59,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:36:03,267 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 17 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 04:36:03,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-25 04:36:25,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:36:25,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 102 states and 358 transitions. [2024-11-25 04:36:25,123 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 358 transitions. [2024-11-25 04:36:25,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 04:36:25,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:36:25,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:36:25,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:36:25,128 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:36:25,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 04:36:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:36:26,492 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:36:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:36:27,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 04:36:27,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:36:38,122 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:36:38,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a29dce-6611-4e7d-8082-0e669adedab5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-25 04:37:20,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:37:22,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []